About photosynthesis in greenhouse
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Photosynthesis factors: Light, CO2, H2O
Study greenhouse conditions
Analyze photosynthetic factors
Identify CO2 enrichment effects
Misunderstanding limiting factors
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Consider plant responses
Photosynthesis factors: Light, CO2, H2O
Study greenhouse conditions
Analyze photosynthetic factors
Identify CO2 enrichment effects
Misunderstanding limiting factors
Oxygen evolution in photosynthesis occurs in
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Photosynthesis: H2OβO2+H++e-
Study photosystems
Analyze electron transport
Identify oxygen evolution site
Confusing photosystem roles
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Consider light reaction
Photosynthesis: H2OβO2+H++e-
Study photosystems
Analyze electron transport
Identify oxygen evolution site
Confusing photosystem roles
First organisms to colonize bare rock are
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Succession sequence framework
Study ecological succession
Analyze pioneer species traits
Identify first colonizers
Confusing succession order
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Consider habitat conditions
Succession sequence framework
Study ecological succession
Analyze pioneer species traits
Identify first colonizers
Confusing succession order
In phloem transport
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Phloem transport: SourceβSink
Study phloem transport mechanism
Analyze pressure flow hypothesis
Identify gradient establishment
Misunderstanding transport mechanism
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Consider transport factors
Phloem transport: SourceβSink
Study phloem transport mechanism
Analyze pressure flow hypothesis
Identify gradient establishment
Misunderstanding transport mechanism
In anoxygenic photosynthesis
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Photosynthesis types comparison
Understand photosynthesis types
Compare oxygenic/anoxygenic processes
Identify energy conservation method
Mixing photosynthesis types
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Consider electron transport
Photosynthesis types comparison
Understand photosynthesis types
Compare oxygenic/anoxygenic processes
Identify energy conservation method
Mixing photosynthesis types
Process of decomposition includes
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Decomposition: ComplexβSimple molecules
Understand decomposition stages
Analyze breakdown processes
Identify catabolic breakdown
Confusing decomposition steps
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Consider organic matter changes
Decomposition: ComplexβSimple molecules
Understand decomposition stages
Analyze breakdown processes
Identify catabolic breakdown
Confusing decomposition steps
Pioneer species in succession includes
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Succession stages: PioneerβClimax
Study ecological succession
Analyze pioneer characteristics
Identify correct pioneer combination
Confusing succession stages
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Consider habitat requirements
Succession stages: PioneerβClimax
Study ecological succession
Analyze pioneer characteristics
Identify correct pioneer combination
Confusing succession stages
Secondary air pollutant is
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Pollutant formation pathways
Understand pollutant categories
Differentiate primary/secondary pollutants
Identify ozone as secondary pollutant
Confusing pollutant types
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Consider pollutant formation
Pollutant formation pathways
Understand pollutant categories
Differentiate primary/secondary pollutants
Identify ozone as secondary pollutant
Confusing pollutant types
During hibernation
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Hibernation metabolism changes
Understand hibernation physiology
Analyze metabolic changes
Identify energy conversion to heat
Misunderstanding metabolic changes
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Consider adaptation purpose
Hibernation metabolism changes
Understand hibernation physiology
Analyze metabolic changes
Identify energy conversion to heat
Misunderstanding metabolic changes
Which action would reduce global warming
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Global warming: CO2, CH4, N2O effects
Understand global warming causes
Analyze impact of each action
Identify methane collection as beneficial
Misunderstanding warming factors
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Consider greenhouse gases
Global warming: CO2, CH4, N2O effects
Understand global warming causes
Analyze impact of each action
Identify methane collection as beneficial
Misunderstanding warming factors
Which is incorrect
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Endemic species: Found only in specific region
Analyze each statement
Compare with ecological definitions
Identify contradiction in endemism definition
Misunderstanding endemism concept
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Check term accuracy
Endemic species: Found only in specific region
Analyze each statement
Compare with ecological definitions
Identify contradiction in endemism definition
Misunderstanding endemism concept
A regulating service of ecosystem is
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Ecosystem services: Supporting, Regulating, Provisioning, Cultural
Understand ecosystem services types
Differentiate between service categories
Identify climate regulation as regulating service
Mixing service categories
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Consider service function
Ecosystem services: Supporting, Regulating, Provisioning, Cultural
Understand ecosystem services types
Differentiate between service categories
Identify climate regulation as regulating service
Mixing service categories
Mobile element in phloem tissue is
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Phloem mobility: K+>Mg2+>Ca2+
Study phloem transport
Analyze element mobility
Identify potassium as mobile element
Confusing element mobility
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Consider ion properties
Phloem mobility: K+>Mg2+>Ca2+
Study phloem transport
Analyze element mobility
Identify potassium as mobile element
Confusing element mobility
In senescence, increase in
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Senescence hormones: ABAβ, Cytokininsβ
Study plant hormone changes
Analyze senescence hormone patterns
Identify hormone combination during aging
Confusing hormone interactions
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Track hormone changes
Senescence hormones: ABAβ, Cytokininsβ
Study plant hormone changes
Analyze senescence hormone patterns
Identify hormone combination during aging
Confusing hormone interactions
The first stable product of C3 cycle is
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C3 cycle: CO2 + RuBP β 2PGA β Serine
Review C3 cycle steps
Track carbon fixation pathway
Identify serine as first stable product
Confusing intermediate products
π’ Uh oh! Incorrect answer, Try again
Follow carbon path in cycle
C3 cycle: CO2 + RuBP β 2PGA β Serine
Review C3 cycle steps
Track carbon fixation pathway
Identify serine as first stable product
Confusing intermediate products
A scrubber in the exhaust of a chemical industry removes
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No formulas involved
Understand air pollution control
Analyze scrubber function
Identify target pollutant
Confusion about pollution control methods
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Think about industrial emissions
No formulas involved
Understand air pollution control
Analyze scrubber function
Identify target pollutant
Confusion about pollution control methods
All the following interactions are mutualism, except
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No formulas involved
Define mutualism
Analyze each relationship
Identify commensalism vs mutualism
Confusion between types of symbiosis
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Think about benefit distribution
No formulas involved
Define mutualism
Analyze each relationship
Identify commensalism vs mutualism
Confusion between types of symbiosis
The phenomenon called 'Apical dominance' in plants is due to a phytohormone
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No formulas involved
Understand hormone functions
Analyze growth inhibition
Identify responsible hormone
Mixing hormone functions
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Think about apical bud control
No formulas involved
Understand hormone functions
Analyze growth inhibition
Identify responsible hormone
Mixing hormone functions
The rate of formation of new organic matter by deer in a forest ecosystem is called
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No formulas involved
Define types of productivity
Understand trophic levels
Identify herbivore productivity
Mixing productivity types
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Think about consumer productivity
No formulas involved
Define types of productivity
Understand trophic levels
Identify herbivore productivity
Mixing productivity types
A' and 'B' are the two adjacent living cells. The cell 'A' has solute potential (α΄ͺs) of -9 bars and pressure potential (α΄ͺp) of 4 bars, whereas cell 'B' has solute potential (α΄ͺs) of -8 bars and pressure potential (α΄ͺp) of 5 bars. What will be the direction of water movement between these cells?
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α΄ͺw = α΄ͺs + α΄ͺp
Calculate water potential of cell A: α΄ͺw = α΄ͺs + α΄ͺp = -9 + 4 = -5 bars
Calculate water potential of cell B: α΄ͺw = α΄ͺs + α΄ͺp = -8 + 5 = -3 bars
Water moves from higher to lower water potential
Confusion about water potential components
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Think about total water potential difference
α΄ͺw = α΄ͺs + α΄ͺp
Calculate water potential of cell A: α΄ͺw = α΄ͺs + α΄ͺp = -9 + 4 = -5 bars
Calculate water potential of cell B: α΄ͺw = α΄ͺs + α΄ͺp = -8 + 5 = -3 bars
Water moves from higher to lower water potential
Confusion about water potential components
A population is correctly defined as having which of the following characteristics?
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No formulas involved
Define population characteristics
Analyze essential components
Identify correct combination
Mixing population characteristics
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Think about species and location
No formulas involved
Define population characteristics
Analyze essential components
Identify correct combination
Mixing population characteristics
Connel's field experiment on the rocky sea coast of Scotland where larger Barnacle balanus dominates the intertidal area and removes the smaller Barnacle cathamalus. This happened due to
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No formulas involved
Understand species interactions
Analyze competitive exclusion
Identify mechanism of dominance
Confusing ecological interactions
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Think about resource competition
No formulas involved
Understand species interactions
Analyze competitive exclusion
Identify mechanism of dominance
Confusing ecological interactions
A plant is provided with ideal conditions for photosynthesis and supplied with isotope ΒΉβ΄COβ. When the products of the process are analysed carefully, what would be the nature of products?
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6COβ + 6HβO β CβHββOβ + 6Oβ
Trace carbon movement in photosynthesis
Analyze oxygen source (water)
Determine isotope incorporation
Confusion about oxygen source
π’ Uh oh! Incorrect answer, Try again
Remember oxygen comes from HβO
6COβ + 6HβO β CβHββOβ + 6Oβ
Trace carbon movement in photosynthesis
Analyze oxygen source (water)
Determine isotope incorporation
Confusion about oxygen source
One of the following area is an example for secondary succession, if the succession takes place in/on
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No formulas involved
Define primary vs secondary succession
Identify previously inhabited areas
Determine type of succession
Mixing primary and secondary succession
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Think about pre-existing soil
No formulas involved
Define primary vs secondary succession
Identify previously inhabited areas
Determine type of succession
Mixing primary and secondary succession
In which type of interaction, both the interacting organisms do not live close together?
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No formulas involved
Define different types of ecological interactions
Analyze spatial requirements for each interaction
Identify which can occur without physical proximity
Confusion between different types of species interactions
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Competition can occur without direct contact through resource depletion
No formulas involved
Define different types of ecological interactions
Analyze spatial requirements for each interaction
Identify which can occur without physical proximity
Confusion between different types of species interactions
The safe method of disposal of e-waste is:
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Temperature requirements for safe incineration
Understand e-waste disposal methods
Analyze environmental impact
Identify safe disposal technique
Confusion about proper disposal methods
π’ Uh oh! Incorrect answer, Try again
Look for controlled disposal methods
Temperature requirements for safe incineration
Understand e-waste disposal methods
Analyze environmental impact
Identify safe disposal technique
Confusion about proper disposal methods
The process of decomposition delays when,
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Decomposition rate calculation
Understand decomposition factors
Analyze chemical composition effects
Identify rate-limiting factors
Confusion about decomposition factors
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Focus on resistant materials
Decomposition rate calculation
Understand decomposition factors
Analyze chemical composition effects
Identify rate-limiting factors
Confusion about decomposition factors
Climax community is a state of:
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Succession timeline
Understand succession stages
Analyze community stability
Identify climax characteristics
Confusion about succession stages
π’ Uh oh! Incorrect answer, Try again
Look for stability indicators
Succession timeline
Understand succession stages
Analyze community stability
Identify climax characteristics
Confusion about succession stages
Mac Arthur's vision of 5 closely related species of warblers living on the same tree were able to avoid competition and co-exist by behavioural difference. This is an example for:
π₯³ Wohoo! Correct answer
Niche overlap calculation
Understand ecological concepts
Analyze species interaction
Identify type of resource use
Confusion between ecological principles
π’ Uh oh! Incorrect answer, Try again
Focus on coexistence mechanisms
Niche overlap calculation
Understand ecological concepts
Analyze species interaction
Identify type of resource use
Confusion between ecological principles
A plant shows the following modifications: (i) Leaves covered with dense hairs (ii) Leaf surface shiny or glabrous (iii) Leaf blade remains rolled during day. The adaptation of the plant is to:
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Surface area to volume ratio
Analyze each modification
Understand purpose of adaptations
Connect features to environmental challenge
Confusion between water and heat adaptations
π’ Uh oh! Incorrect answer, Try again
Look for heat-related adaptations
Surface area to volume ratio
Analyze each modification
Understand purpose of adaptations
Connect features to environmental challenge
Confusion between water and heat adaptations
Psammophytes are growing in/on
π₯³ Wohoo! Correct answer
No formulas involved
Understand psammophyte habitat
Identify adaptive features
Match plant type to environment
Confusion with other plant adaptations
π’ Uh oh! Incorrect answer, Try again
Focus on sand-adapted plants
No formulas involved
Understand psammophyte habitat
Identify adaptive features
Match plant type to environment
Confusion with other plant adaptations
As the organic matter increases in a water body, the BOD:
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BOD = DO initial - DO final
Understand BOD concept
Analyze relationship between organic matter and oxygen demand
Connect microbial activity to oxygen consumption
Misconception about BOD-organic matter relationship
π’ Uh oh! Incorrect answer, Try again
Higher organic matter means more oxygen needed
BOD = DO initial - DO final
Understand BOD concept
Analyze relationship between organic matter and oxygen demand
Connect microbial activity to oxygen consumption
Misconception about BOD-organic matter relationship
Identify the correct combination of crop-variety and insect pests
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No formulas involved
Match crop varieties with their resistant traits
Identify specific pest resistance in different varieties
Verify correct crop-variety-pest combinations
Mix-up between different resistant varieties
π’ Uh oh! Incorrect answer, Try again
Focus on pest-resistant varieties
No formulas involved
Match crop varieties with their resistant traits
Identify specific pest resistance in different varieties
Verify correct crop-variety-pest combinations
Mix-up between different resistant varieties
Which of the following crops is developed by mutation breeding, that is resistant to yellow mosaic virus and powdery mildew?
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Mutation frequency calculation
Understand mutation breeding applications
Identify crops developed through mutation breeding
Match disease resistance with breeding method
Confusion between different breeding methods
π’ Uh oh! Incorrect answer, Try again
Look for specific disease resistance
Mutation frequency calculation
Understand mutation breeding applications
Identify crops developed through mutation breeding
Match disease resistance with breeding method
Confusion between different breeding methods
Identify the elements whose deficiency causes both necrosis and chlorosis
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Plant Mineral Chart
Understand mineral deficiency symptoms
Compare effects of different elements
Match symptoms with elements
Confusing deficiency symptoms
π’ Uh oh! Incorrect answer, Try again
Look for multiple deficiency effects
Plant Mineral Chart
Understand mineral deficiency symptoms
Compare effects of different elements
Match symptoms with elements
Confusing deficiency symptoms
Which among the following is not a functional unit of ecosystem?
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Ecosystem functions
Identify ecosystem components
Compare functional roles
Distinguish external factors
Missing functional integration
π’ Uh oh! Incorrect answer, Try again
Think about natural processes
Ecosystem functions
Identify ecosystem components
Compare functional roles
Distinguish external factors
Missing functional integration
Biomagnification of which pollutant causes decline in bird population?
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Biomagnification formula
Understand biomagnification
Track pollutant accumulation
Identify bird effects
Missing bioaccumulation concept
π’ Uh oh! Incorrect answer, Try again
Consider food chain
Biomagnification formula
Understand biomagnification
Track pollutant accumulation
Identify bird effects
Missing bioaccumulation concept
Net primary productivity (NPP) in an ecosystem is
π₯³ Wohoo! Correct answer
NPP=GPP-R
Define productivity types
Understand energy flow
Calculate net production
Confusing productivity types
π’ Uh oh! Incorrect answer, Try again
Consider respiration loss
NPP=GPP-R
Define productivity types
Understand energy flow
Calculate net production
Confusing productivity types
Verhulst-Pearl logistic growth is described by dN/dt = rN([K-N]/K) where 'r' and 'K' represent
π₯³ Wohoo! Correct answer
dN/dt=rN(K-N)/K
Understand population growth
Interpret equation parameters
Match with definitions
Missing carrying capacity concept
π’ Uh oh! Incorrect answer, Try again
Consider growth limitations
dN/dt=rN(K-N)/K
Understand population growth
Interpret equation parameters
Match with definitions
Missing carrying capacity concept
The interaction between "Cuckoo and Crow" is an example of
π₯³ Wohoo! Correct answer
Parasitism types
Study ecological relationships
Identify reproductive strategy
Match with behavior pattern
Confusing symbiotic relationships
π’ Uh oh! Incorrect answer, Try again
Think about nest parasitism
Parasitism types
Study ecological relationships
Identify reproductive strategy
Match with behavior pattern
Confusing symbiotic relationships
Germplasm collection refers to
π₯³ Wohoo! Correct answer
No formulas involved
Understand biodiversity conservation
Identify genetic resource scope
Verify collection completeness
Missing conservation concept
π’ Uh oh! Incorrect answer, Try again
Consider genetic diversity
No formulas involved
Understand biodiversity conservation
Identify genetic resource scope
Verify collection completeness
Missing conservation concept
The allele frequency of 'A' and 'a' in a population are 0.6 and 0.4 respectively. The expected frequency of heterozygous individuals is
π₯³ Wohoo! Correct answer
p2+2pq+q2=1
Apply Hardy-Weinberg equation
Calculate 2pq value
Convert to percentage
Missing Hardy-Weinberg application
π’ Uh oh! Incorrect answer, Try again
Use p=0.6, q=0.4
p2+2pq+q2=1
Apply Hardy-Weinberg equation
Calculate 2pq value
Convert to percentage
Missing Hardy-Weinberg application
In the maize plant, CO2 fixation occurs in both mesophyll and bundle sheath cells. The enzymes involved respectively are
π₯³ Wohoo! Correct answer
C4 cycle equation
Understand C4 pathway
Identify enzyme locations
Match with cell types
Mixing enzyme locations
π’ Uh oh! Incorrect answer, Try again
Remember C4 cycle sequence
C4 cycle equation
Understand C4 pathway
Identify enzyme locations
Match with cell types
Mixing enzyme locations
Consider the following statements regarding criteria for essentiality of the nutrients in plants: i) The presence of elements is must for plants to complete their life cycle ii) The role of the element can be replaced by another element iii) The element must be directly involved in the metabolism of the plant
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Essential element criteria: Required + Specific role + Non-replaceable
Analyze each criterion for essential nutrients
Essential elements must be absolutely required
They must have specific metabolic roles
Not understanding essential nutrient criteria
π’ Uh oh! Incorrect answer, Try again
Consider irreplaceability and metabolic involvement
Essential element criteria: Required + Specific role + Non-replaceable
Analyze each criterion for essential nutrients
Essential elements must be absolutely required
They must have specific metabolic roles
Not understanding essential nutrient criteria
Consider the following characteristics: i. Presence of hairy leaves ii. Production of more nectar in flower iii. High sugar content in plant parts iv. Presence of higher aspartic acid concentration. Choose the correct combination which give natural resistance to plants against insect pests
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Defense = Physical barriers + Chemical deterrents
Analyze plant defense mechanisms
Physical barriers (hairs) and chemical defenses (aspartic acid) work together
These traits naturally deter insect pests
Not recognizing multiple defense mechanisms
π’ Uh oh! Incorrect answer, Try again
Consider both physical and chemical defenses
Defense = Physical barriers + Chemical deterrents
Analyze plant defense mechanisms
Physical barriers (hairs) and chemical defenses (aspartic acid) work together
These traits naturally deter insect pests
Not recognizing multiple defense mechanisms
The oil content and quality of a groundnut variety was improved by plant breeding technique. This is an example of
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Biofortification = Improving nutritional quality
Understand different bio-techniques
Biofortification improves nutritional quality
This includes enhancing oil content and quality
Confusing different biotechnology applications
π’ Uh oh! Incorrect answer, Try again
Think about improving nutritional value
Biofortification = Improving nutritional quality
Understand different bio-techniques
Biofortification improves nutritional quality
This includes enhancing oil content and quality
Confusing different biotechnology applications
From the given options, identify the correct combination of population interactions that corresponds to the symbols give here (++, --, +O)
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Mutualism (++), Competition (--), Commensalism (+O)
#ERROR!
-- represents mutual harm (competition)
#ERROR!
Confusing ecological interaction symbols
π’ Uh oh! Incorrect answer, Try again
Match symbols with ecological interactions
Mutualism (++), Competition (--), Commensalism (+O)
#ERROR!
-- represents mutual harm (competition)
#ERROR!
Confusing ecological interaction symbols
Assertion (A): The Monarch butterfly feeds on poisonous weeds during its Caterpillars stage. Reason (R): It helps butterfly to becomes distasteful to its predator.
π₯³ Wohoo! Correct answer
Defence mechanism = Toxic food β Unpalatability
Analyze both assertion and reason separately
Monarch caterpillars feed on milkweed containing cardiac glycosides
These toxins make both caterpillars and adults unpalatable to predators
Not understanding adaptive significance
π’ Uh oh! Incorrect answer, Try again
Evaluate cause-effect relationship between A and R
Defence mechanism = Toxic food β Unpalatability
Analyze both assertion and reason separately
Monarch caterpillars feed on milkweed containing cardiac glycosides
These toxins make both caterpillars and adults unpalatable to predators
Not understanding adaptive significance
In Amphibians and reptiles, the body temperature changes corresponding to external temperature. The organisms which show this kind of response is termed as
π₯³ Wohoo! Correct answer
Body temp (conformers) = Environmental temp
Animals have different temperature regulation strategies
Conformers lack internal temperature control mechanisms
Their body temperature varies with environmental temperature
Confusing different temperature regulation strategies
π’ Uh oh! Incorrect answer, Try again
Consider how body temperature relates to environment
Body temp (conformers) = Environmental temp
Animals have different temperature regulation strategies
Conformers lack internal temperature control mechanisms
Their body temperature varies with environmental temperature
Confusing different temperature regulation strategies
Which one of the following ecosystem has the highest annual net primary productivity?
π₯³ Wohoo! Correct answer
NPP = Gross Primary Productivity - Respiration
Net primary productivity varies among ecosystems
Tropical rainforests have optimal conditions (temperature, rainfall, sunlight)
This results in highest biomass production per unit area per year
Confusing different forest types
π’ Uh oh! Incorrect answer, Try again
Consider factors affecting photosynthesis and growth
NPP = Gross Primary Productivity - Respiration
Net primary productivity varies among ecosystems
Tropical rainforests have optimal conditions (temperature, rainfall, sunlight)
This results in highest biomass production per unit area per year
Confusing different forest types
In an area where DDT has been used extensively, the population of birds declined significantly because
π₯³ Wohoo! Correct answer
Biomagnification formula: Higher trophic levels show increased concentration
DDT accumulates in food chains (biomagnification)
High DDT levels affect calcium metabolism in birds
This leads to thin eggshells that break prematurely
Not understanding biomagnification
π’ Uh oh! Incorrect answer, Try again
Consider biomagnification effects
Biomagnification formula: Higher trophic levels show increased concentration
DDT accumulates in food chains (biomagnification)
High DDT levels affect calcium metabolism in birds
This leads to thin eggshells that break prematurely
Not understanding biomagnification
Which one of the following is a wrong statement?
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Ozone layer: Protects from UV radiation
Analyze each statement
Compare with ecological facts
Identify incorrect information
Mixing environmental effects
π’ Uh oh! Incorrect answer, Try again
Focus on environmental concepts
Ozone layer: Protects from UV radiation
Analyze each statement
Compare with ecological facts
Identify incorrect information
Mixing environmental effects
According to Supreme Court of India, ruling with respect to 'Bharat Stage VI' Norms from which date, these are supposed to be implemented in the country?
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BS-VI: Stricter emission norms for vehicles
Know emission standards
Identify implementation date
Recognize compliance timeline
Mixing implementation dates
π’ Uh oh! Incorrect answer, Try again
Remember environmental regulations
BS-VI: Stricter emission norms for vehicles
Know emission standards
Identify implementation date
Recognize compliance timeline
Mixing implementation dates
Identify the possible link 'M' in the following food chain: Plant β Insect β M β Snake β Eagle
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Food chain: Producer β Primary consumer β Secondary consumer β Tertiary consumer
Understand food chain levels
Identify suitable intermediate consumer
Connect trophic levels
Mixing trophic levels
π’ Uh oh! Incorrect answer, Try again
Focus on energy flow
Food chain: Producer β Primary consumer β Secondary consumer β Tertiary consumer
Understand food chain levels
Identify suitable intermediate consumer
Connect trophic levels
Mixing trophic levels
The organism which invade a bare area to initiate an ecological succession are known as
π₯³ Wohoo! Correct answer
Ecological succession: Pioneer species β Climax community
Understand succession stages
Identify first colonizers
Recognize pioneer role
Mixing species types
π’ Uh oh! Incorrect answer, Try again
Focus on succession sequence
Ecological succession: Pioneer species β Climax community
Understand succession stages
Identify first colonizers
Recognize pioneer role
Mixing species types
In the following equation of Verhulst β Pearl logistic growth, the letter 'r' denotes [dN/dt = rN(K-N)/K]
π₯³ Wohoo! Correct answer
Logistic growth: dN/dt = rN(1-N/K)
Understand population growth equation
Identify rate components
Recognize intrinsic growth rate
Mixing growth parameters
π’ Uh oh! Incorrect answer, Try again
Focus on growth parameters
Logistic growth: dN/dt = rN(1-N/K)
Understand population growth equation
Identify rate components
Recognize intrinsic growth rate
Mixing growth parameters
Which of the following features of plants is not helpful in adapting to desert life?
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Desert adaptations: Reduced surface area + Water storage + Transpiration control
Understand xerophytic adaptations
Identify role of trichomes in reducing water loss
Recognize trichomes help survival
Mixing adaptive features
π’ Uh oh! Incorrect answer, Try again
Focus on water conservation features
Desert adaptations: Reduced surface area + Water storage + Transpiration control
Understand xerophytic adaptations
Identify role of trichomes in reducing water loss
Recognize trichomes help survival
Mixing adaptive features
Consider the following statements regarding photosynthesis and respiration in plants and select the correct option I) RuBisCO has high affinity to oxygen in low CO2 concentration II) The Calvin pathway occurs in the chloroplast of bundle sheath cells of C4 plants III) Yeast poison themselves when the concentration of alcohol reaches 7% IV) Oxygen is a final hydrogen acceptor during aerobic respiration
π₯³ Wohoo! Correct answer
RuBisCO: CO2 + RuBP β 2PGA; ETC: 2H+ + 1/2O2 β H2O
Analyze RuBisCO's affinity for O2 vs CO2 (Statement I is correct)
Verify oxygen's role as final electron acceptor (Statement IV is correct)
Check alcohol tolerance in yeast (Statement III is incorrect - they can survive beyond 7%)
Mixing photorespiration with respiration
π’ Uh oh! Incorrect answer, Try again
Understand photorespiration and electron transport chain
RuBisCO: CO2 + RuBP β 2PGA; ETC: 2H+ + 1/2O2 β H2O
Analyze RuBisCO's affinity for O2 vs CO2 (Statement I is correct)
Verify oxygen's role as final electron acceptor (Statement IV is correct)
Check alcohol tolerance in yeast (Statement III is incorrect - they can survive beyond 7%)
Mixing photorespiration with respiration
White rust resistant variety of Brassica is
π₯³ Wohoo! Correct answer
Plant breeding: Selection + Hybridization β Resistant variety
Know disease resistant varieties
Identify Brassica improvements
Match variety with resistance
Mixing variety names
π’ Uh oh! Incorrect answer, Try again
Remember variety names
Plant breeding: Selection + Hybridization β Resistant variety
Know disease resistant varieties
Identify Brassica improvements
Match variety with resistance
Mixing variety names
Population size keeps changing depending on factor/s such as
π₯³ Wohoo! Correct answer
No formulas involved
Know population factors
Understand multiple influences
Verify all affect population
Limiting to single factor
π’ Uh oh! Incorrect answer, Try again
Know population ecology
No formulas involved
Know population factors
Understand multiple influences
Verify all affect population
Limiting to single factor
Identify the incorrect statement
π₯³ Wohoo! Correct answer
No formulas involved
Know adaptations
Understand high altitude effects
Identify false statement about RBC
Missing adaptation logic
π’ Uh oh! Incorrect answer, Try again
Know environmental adaptation
No formulas involved
Know adaptations
Understand high altitude effects
Identify false statement about RBC
Missing adaptation logic
Small mammals and birds are rarely found in polar regions because
π₯³ Wohoo! Correct answer
SA:V ratio
Understand surface area to volume ratio
Know thermoregulation principles
Apply to polar conditions
Misunderstanding heat loss
π’ Uh oh! Incorrect answer, Try again
Know animal adaptations
SA:V ratio
Understand surface area to volume ratio
Know thermoregulation principles
Apply to polar conditions
Misunderstanding heat loss
Match Column I with Column II regarding predatory behavior
π₯³ Wohoo! Correct answer
No formulas involved
Know predator adaptations
Match defense mechanisms
Verify correct combinations
Mixing defense strategies
π’ Uh oh! Incorrect answer, Try again
Know ecological relations
No formulas involved
Know predator adaptations
Match defense mechanisms
Verify correct combinations
Mixing defense strategies
Identify correct statement/s about parasitism
π₯³ Wohoo! Correct answer
No formulas involved
Analyze parasitism statements
Focus on endoparasite complexity
Verify statement accuracy
Oversimplifying parasitism
π’ Uh oh! Incorrect answer, Try again
Know parasitic adaptations
No formulas involved
Analyze parasitism statements
Focus on endoparasite complexity
Verify statement accuracy
Oversimplifying parasitism
Identify the incorrect statement/s about plant hormones
π₯³ Wohoo! Correct answer
No formulas involved
Analyze statements about plant hormones
Identify errors: Kinetin (purine, not pyrimidine) and ABA (inhibitor, not promoter)
Verify other statements are correct
Confusing hormone functions
π’ Uh oh! Incorrect answer, Try again
Know plant hormone types
No formulas involved
Analyze statements about plant hormones
Identify errors: Kinetin (purine, not pyrimidine) and ABA (inhibitor, not promoter)
Verify other statements are correct
Confusing hormone functions
The enzyme that is not found in C3 plants is
π₯³ Wohoo! Correct answer
No formulas involved
Know C3 plant enzymes
Understand PEP carboxylase is specific to C4 plants
Verify other enzymes are present in C3 plants
Confusing C3 and C4 enzymes
π’ Uh oh! Incorrect answer, Try again
Know photosynthetic pathways
No formulas involved
Know C3 plant enzymes
Understand PEP carboxylase is specific to C4 plants
Verify other enzymes are present in C3 plants
Confusing C3 and C4 enzymes
The correct equation depicting species area relationship is
π₯³ Wohoo! Correct answer
S = CAz
Species-Area relationship follows power law: S = CAz
Taking log on both sides: log S = log C + z log A
This matches option A's format
Confusion about log properties and ecological equations
π’ Uh oh! Incorrect answer, Try again
Remember log properties and ecological relationships
S = CAz
Species-Area relationship follows power law: S = CAz
Taking log on both sides: log S = log C + z log A
This matches option A's format
Confusion about log properties and ecological equations
Respiratory quotient of glucose is
π₯³ Wohoo! Correct answer
RQ = COβ produced/Oβ consumed
Calculate COβ/Oβ ratio
Balance glucose oxidation
Determine gas exchange ratio
RQ calculation error
π’ Uh oh! Incorrect answer, Try again
Think about complete oxidation
RQ = COβ produced/Oβ consumed
Calculate COβ/Oβ ratio
Balance glucose oxidation
Determine gas exchange ratio
RQ calculation error
Which statement is incorrect related to biomes?
π₯³ Wohoo! Correct answer
Climate-biome relationships
Study biome characteristics
Compare climate factors
Identify incorrect association
Climate factor confusion
π’ Uh oh! Incorrect answer, Try again
Think about desert conditions
Climate-biome relationships
Study biome characteristics
Compare climate factors
Identify incorrect association
Climate factor confusion
Particulates of ___ size pose greatest risk to human health
π₯³ Wohoo! Correct answer
PM2.5 standards
Study air pollutants
Understand particle size effects
Identify harmful range
Size range confusion
π’ Uh oh! Incorrect answer, Try again
Remember PM2.5 significance
PM2.5 standards
Study air pollutants
Understand particle size effects
Identify harmful range
Size range confusion
The animals which are active during day time
π₯³ Wohoo! Correct answer
Activity patterns
Study activity patterns
Understand timing terms
Match behavior period
Terminology confusion
π’ Uh oh! Incorrect answer, Try again
Think about daily rhythm
Activity patterns
Study activity patterns
Understand timing terms
Match behavior period
Terminology confusion
Cuscuta is an example of
π₯³ Wohoo! Correct answer
Parasitic relationships
Study parasitic plants
Understand parasitism types
Classify attachment mode
Parasitism type confusion
π’ Uh oh! Incorrect answer, Try again
Think about external attachment
Parasitic relationships
Study parasitic plants
Understand parasitism types
Classify attachment mode
Parasitism type confusion
The amount of Photosynthetically active radiation captured by plants is
π₯³ Wohoo! Correct answer
PAR = 400-700nm wavelength
Study light absorption
Understand PAR range
Calculate efficiency
Efficiency overestimation
π’ Uh oh! Incorrect answer, Try again
Remember low efficiency
PAR = 400-700nm wavelength
Study light absorption
Understand PAR range
Calculate efficiency
Efficiency overestimation
Average natality rate in our village is 25, average mortality is 24, immigration 2 and emigration 3. The net increase in population is
π₯³ Wohoo! Correct answer
ΞP = (B+I)-(D+E)
Apply population equation
Calculate total additions
Subtract total losses
Mathematical error
π’ Uh oh! Incorrect answer, Try again
Use population change formula
ΞP = (B+I)-(D+E)
Apply population equation
Calculate total additions
Subtract total losses
Mathematical error
In Bryophyllum, the adventitious buds arise from
π₯³ Wohoo! Correct answer
Plant propagation methods
Understand vegetative propagation
Identify bud location
Match correct position
Confusion about vegetative reproduction
π’ Uh oh! Incorrect answer, Try again
Consider leaf modifications
Plant propagation methods
Understand vegetative propagation
Identify bud location
Match correct position
Confusion about vegetative reproduction
Bamboo species flowers
π₯³ Wohoo! Correct answer
Plant reproduction cycles
Understand flowering patterns
Compare flowering frequencies
Identify correct pattern
Confusion about bamboo lifecycle
π’ Uh oh! Incorrect answer, Try again
Consider plant life cycles
Plant reproduction cycles
Understand flowering patterns
Compare flowering frequencies
Identify correct pattern
Confusion about bamboo lifecycle
Match column β I with column β II. Select the option with correct combination. Column-I: 1. Hypertonic 2. Capillarity 3. Symport 4. Guttation Column-II: p. Two molecules move in the same direction across the membrane q. External solution is more concentrated than cell sap r. Water loss in the form of droplets s. Ability of water to rise in thin tubes
π₯³ Wohoo! Correct answer
Osmosis and transport equations
Understand osmotic terms
Match transport phenomena
Verify water movement mechanisms
Confusion between different transport mechanisms
π’ Uh oh! Incorrect answer, Try again
Consider solute concentration differences
Osmosis and transport equations
Understand osmotic terms
Match transport phenomena
Verify water movement mechanisms
Confusion between different transport mechanisms
Identify the incorrect statement regarding the flow of energy between various components of the food chain
π₯³ Wohoo! Correct answer
10% energy transfer rule
Understand energy flow principles
Compare given statements
Identify incorrect principle
Confusion about energy capture efficiency
π’ Uh oh! Incorrect answer, Try again
Consider energy transfer efficiency
10% energy transfer rule
Understand energy flow principles
Compare given statements
Identify incorrect principle
Confusion about energy capture efficiency
According to David Tilman's long term ecosystem experiments, the total biomass in plots with more species shows
π₯³ Wohoo! Correct answer
Biodiversity-stability relationship
Understand biodiversity effects
Analyze ecosystem stability
Identify correct pattern
Misconception about biodiversity effects
π’ Uh oh! Incorrect answer, Try again
Consider species richness impact
Biodiversity-stability relationship
Understand biodiversity effects
Analyze ecosystem stability
Identify correct pattern
Misconception about biodiversity effects
Identify the correct option showing the relative contribution of different green house gases to the total global warming
π₯³ Wohoo! Correct answer
Greenhouse effect diagram
Compare greenhouse gas percentages
Analyze contribution patterns
Match correct distribution
Misconception about relative impacts
π’ Uh oh! Incorrect answer, Try again
Focus on major contributors
Greenhouse effect diagram
Compare greenhouse gas percentages
Analyze contribution patterns
Match correct distribution
Misconception about relative impacts
The toxic heavy metals from a density various industries which cause water pollution, normally have a density
π₯³ Wohoo! Correct answer
Heavy metal density ranges
Understand heavy metal properties
Compare density values
Identify correct threshold
Confusion about heavy metal classification
π’ Uh oh! Incorrect answer, Try again
Consider industrial pollutants
Heavy metal density ranges
Understand heavy metal properties
Compare density values
Identify correct threshold
Confusion about heavy metal classification
Match Column-I with Column-II. Select the option with correct combination. Column-I: 1. Standing state 2. Pioneer species 3. Detritivores 4. Standing crop Column-II: P. Mass of living material at a given time q. Amount of nutrients in the soil at a given time r. Species that invade a bare area s. Breakdown detritus into smaller particles
π₯³ Wohoo! Correct answer
Ecosystem energy flow diagram
Define ecological terms
Match terms with definitions
Verify correct combinations
Confusion between standing crop and state
π’ Uh oh! Incorrect answer, Try again
Focus on ecological processes
Ecosystem energy flow diagram
Define ecological terms
Match terms with definitions
Verify correct combinations
Confusion between standing crop and state
Generally, bears avoid winter by undergoing
π₯³ Wohoo! Correct answer
Temperature regulation mechanisms
Understand different dormancy types
Compare seasonal adaptations
Match correct survival strategy
Confusion between hibernation and aestivation
π’ Uh oh! Incorrect answer, Try again
Consider seasonal timing and purpose
Temperature regulation mechanisms
Understand different dormancy types
Compare seasonal adaptations
Match correct survival strategy
Confusion between hibernation and aestivation
Four students were assigned a science project to find out the pollution levels of lakes in their Surrounding. After analysing the quality of water samples, The BOD values were found as follows: Which among the following water samples is highly polluted?
π₯³ Wohoo! Correct answer
BOD calculation formula
Understand BOD concept
Compare BOD values
Identify highest pollution level
Misconception about BOD values
π’ Uh oh! Incorrect answer, Try again
Higher BOD indicates more pollution
BOD calculation formula
Understand BOD concept
Compare BOD values
Identify highest pollution level
Misconception about BOD values
Identify from the following a pair of better yielding semi dwarf varieties of rice developed in India
π₯³ Wohoo! Correct answer
Plant breeding development timeline
Identify Indian rice varieties
Compare yield characteristics
Match correct variety pair
Confusion between different rice varieties
π’ Uh oh! Incorrect answer, Try again
Focus on Green Revolution varieties
Plant breeding development timeline
Identify Indian rice varieties
Compare yield characteristics
Match correct variety pair
Confusion between different rice varieties
The variety of Okra, Pusa Sawani is resistant to which of the following insect pests?
π₯³ Wohoo! Correct answer
Plant breeding selection methods
Understand crop varieties and resistance
Identify common okra pests
Match resistance trait with pest
Confusion between different pest types
π’ Uh oh! Incorrect answer, Try again
Focus on breeding for pest resistance
Plant breeding selection methods
Understand crop varieties and resistance
Identify common okra pests
Match resistance trait with pest
Confusion between different pest types
Match the nutrients given in List-I with the source in List-II
π₯³ Wohoo! Correct answer
No formulas involved
Vitamin A is abundant in carrots (beta-carotene)
Spirulina is a rich source of single-cell protein
Bitter gourd provides Vitamin C
Confusing nutrient sources; assuming all orange foods have Vitamin A
π’ Uh oh! Incorrect answer, Try again
Connect nutrients to their natural sources
No formulas involved
Vitamin A is abundant in carrots (beta-carotene)
Spirulina is a rich source of single-cell protein
Bitter gourd provides Vitamin C
Confusing nutrient sources; assuming all orange foods have Vitamin A
The annual net primary productivity of the biosphere is approximately
π₯³ Wohoo! Correct answer
No formulas involved
Net primary productivity measures biomass production rate
The biosphere produces vast amounts of organic matter
This represents the balance of photosynthesis and respiration
Confusing gross and net productivity; underestimating global biological activity
π’ Uh oh! Incorrect answer, Try again
Think about global scale of biological production
No formulas involved
Net primary productivity measures biomass production rate
The biosphere produces vast amounts of organic matter
This represents the balance of photosynthesis and respiration
Confusing gross and net productivity; underestimating global biological activity
The sequence of communities of primary succession in water is
π₯³ Wohoo! Correct answer
No formulas involved
Succession begins with microscopic organisms
Gradually larger and more complex plants establish
The sequence reflects increasing habitat modification
Misunderstanding succession order; assuming all successions follow same pattern
π’ Uh oh! Incorrect answer, Try again
Consider how each community changes the environment
No formulas involved
Succession begins with microscopic organisms
Gradually larger and more complex plants establish
The sequence reflects increasing habitat modification
Misunderstanding succession order; assuming all successions follow same pattern
Match the content of List I with List II: List I: 1. Polyembryony 2. Perisperm 3. False fruit 4. Parthenocarpy List II: p. Black pepper q. Banana r. Lemon s. Apple
π₯³ Wohoo! Correct answer
No formulas involved
Citrus shows polyembryony - multiple embryos from one seed
Black pepper has persistent nuclear tissue (perisperm)
Apple develops from floral parts beyond ovary
Confusing different fruit development patterns
π’ Uh oh! Incorrect answer, Try again
Consider the developmental origin of each structure
No formulas involved
Citrus shows polyembryony - multiple embryos from one seed
Black pepper has persistent nuclear tissue (perisperm)
Apple develops from floral parts beyond ovary
Confusing different fruit development patterns
The natural reservoir of phosphorus is
π₯³ Wohoo! Correct answer
No formulas involved
Phosphorus is primarily found in rock deposits
Weathering releases phosphorus into soil
Unlike nitrogen, phosphorus has no atmospheric reservoir
Thinking all nutrients have atmospheric reservoirs; confusing different nutrient cycles
π’ Uh oh! Incorrect answer, Try again
Consider the geological origin of phosphorus
No formulas involved
Phosphorus is primarily found in rock deposits
Weathering releases phosphorus into soil
Unlike nitrogen, phosphorus has no atmospheric reservoir
Thinking all nutrients have atmospheric reservoirs; confusing different nutrient cycles
Auxins : Apical dominance : : Gibberellins : ________
π₯³ Wohoo! Correct answer
No formulas involved
Gibberellins promote stem elongation
They induce flowering in response to environmental cues
Bolting is rapid stem growth before flowering
Mixing up plant hormone functions
π’ Uh oh! Incorrect answer, Try again
Think about hormone effects on plant development
No formulas involved
Gibberellins promote stem elongation
They induce flowering in response to environmental cues
Bolting is rapid stem growth before flowering
Mixing up plant hormone functions
According to the hypothesis proposed by environmental biologists, a relatively constant environment in tropics promotes
π₯³ Wohoo! Correct answer
No formulas involved
Tropical environments are relatively stable year-round
Stable conditions allow species to evolve specialized niches
This specialization leads to greater biodiversity
Confusing cause and effect in biodiversity patterns
π’ Uh oh! Incorrect answer, Try again
Think about how environmental stability affects evolution
No formulas involved
Tropical environments are relatively stable year-round
Stable conditions allow species to evolve specialized niches
This specialization leads to greater biodiversity
Confusing cause and effect in biodiversity patterns
The water potential of pure water is
π₯³ Wohoo! Correct answer
Ξ¨ = Ξ¨s + Ξ¨p
Water potential is a measure of free energy of water
Pure water has the highest water potential
By convention, pure water's potential is set at zero
Confusing pressure and potential
π’ Uh oh! Incorrect answer, Try again
Remember the reference point for water potential
Ξ¨ = Ξ¨s + Ξ¨p
Water potential is a measure of free energy of water
Pure water has the highest water potential
By convention, pure water's potential is set at zero
Confusing pressure and potential
Match List-I with List-II and choose the correct answer. List-I: 1) Nitrogen rich fertilizers 2) Carbon dioxide 3) Carbon monoxide 4) CFCs List-II: p) Ozone depletion q) Eutrophication r) Greenhouse effect s) Air pollutant
π₯³ Wohoo! Correct answer
No formulas involved
Nitrogen fertilizers cause eutrophication by enriching water bodies with nutrients
CO2 is the primary greenhouse gas causing global warming
CO is a toxic air pollutant, while CFCs deplete ozone
Confusing multiple environmental impacts of same substances
π’ Uh oh! Incorrect answer, Try again
Consider the primary environmental impact of each substance
No formulas involved
Nitrogen fertilizers cause eutrophication by enriching water bodies with nutrients
CO2 is the primary greenhouse gas causing global warming
CO is a toxic air pollutant, while CFCs deplete ozone
Confusing multiple environmental impacts of same substances
A strict protection of biodiversity hotspots could reduce the ongoing mass extinction by almost
π₯³ Wohoo! Correct answer
No formulas involved
Biodiversity hotspots contain high concentrations of endemic species
Protection of these areas has disproportionate impact on species preservation
Studies show 30% reduction in extinction rates with hotspot protection
Underestimating impact of focused conservation efforts
π’ Uh oh! Incorrect answer, Try again
Consider the concentration of unique species in hotspots
No formulas involved
Biodiversity hotspots contain high concentrations of endemic species
Protection of these areas has disproportionate impact on species preservation
Studies show 30% reduction in extinction rates with hotspot protection
Underestimating impact of focused conservation efforts
In the prevention of air pollution, the role of scrubber is to remove
π₯³ Wohoo! Correct answer
No formulas involved
Scrubbers are designed to remove gaseous pollutants
SO2 is a major air pollutant in gaseous form
The scrubbing process converts gaseous SO2 to liquid form for removal
Confusing different forms of sulfur oxides
π’ Uh oh! Incorrect answer, Try again
Consider the physical state of pollutants being removed
No formulas involved
Scrubbers are designed to remove gaseous pollutants
SO2 is a major air pollutant in gaseous form
The scrubbing process converts gaseous SO2 to liquid form for removal
Confusing different forms of sulfur oxides
Which of the following exhibits haplodiplontic lifecycle?
π₯³ Wohoo! Correct answer
No formulas involved
Haplodiplontic lifecycle has both haploid and diploid multicellular phases
Ectocarpus shows alternation of generations
Both phases are independent and morphologically distinct
Confusing different types of life cycles
π’ Uh oh! Incorrect answer, Try again
Think about what "haplo-diplontic" means in terms of life cycles
No formulas involved
Haplodiplontic lifecycle has both haploid and diploid multicellular phases
Ectocarpus shows alternation of generations
Both phases are independent and morphologically distinct
Confusing different types of life cycles