In one of the hybridisation experiments, a homozygous dominant parent and a homozygous recessive parent are crossed for a trait (Plant shows Mendelian inheritance pattern)
🥳 Wohoo! Correct answer
Monohybrid cross ratio (3:1 in F2)
Set up Punnett square for F1 generation
Analyze F1 phenotypes
Predict F2 generation outcomes
Confusion about expression in F1 vs F2
😢 Uh oh! Incorrect answer, Try again
Focus on dominance patterns
Monohybrid cross ratio (3:1 in F2)
Set up Punnett square for F1 generation
Analyze F1 phenotypes
Predict F2 generation outcomes
Confusion about expression in F1 vs F2
Find the incorrect statement among the following
🥳 Wohoo! Correct answer
No formulas involved
Down syndrome typically causes intellectual disability
Statement contradicts known characteristics
Other statements accurately describe conditions
Misunderstanding genetic disorders
😢 Uh oh! Incorrect answer, Try again
Look for contradictions with established medical knowledge
No formulas involved
Down syndrome typically causes intellectual disability
Statement contradicts known characteristics
Other statements accurately describe conditions
Misunderstanding genetic disorders
About phenylketonuria
🥳 Wohoo! Correct answer
PKU: Phenylalanine metabolism defect
Study genetic disorders
Analyze disease characteristics
Identify metabolic error nature
Confusing genetic disorder types
😢 Uh oh! Incorrect answer, Try again
Consider inheritance pattern
PKU: Phenylalanine metabolism defect
Study genetic disorders
Analyze disease characteristics
Identify metabolic error nature
Confusing genetic disorder types
Regarding cell biology statement
🥳 Wohoo! Correct answer
Cell comparison: Prokaryotes vs Eukaryotes
Study cell types and structures
Compare prokaryotic/eukaryotic cells
Identify true statement about prokaryotes
Confusing prokaryotic/eukaryotic features
😢 Uh oh! Incorrect answer, Try again
Consider organelle evolution
Cell comparison: Prokaryotes vs Eukaryotes
Study cell types and structures
Compare prokaryotic/eukaryotic cells
Identify true statement about prokaryotes
Confusing prokaryotic/eukaryotic features
Natural selection operates through
🥳 Wohoo! Correct answer
Selection: Variation→Selection→Adaptation
Understand selection mechanisms
Analyze evolutionary forces
Identify adaptation's role
Confusing evolutionary forces
😢 Uh oh! Incorrect answer, Try again
Consider fitness factors
Selection: Variation→Selection→Adaptation
Understand selection mechanisms
Analyze evolutionary forces
Identify adaptation's role
Confusing evolutionary forces
In alcoholic fermentation sequence is
🥳 Wohoo! Correct answer
Fermentation: Glucose→Pyruvate→Products
Study fermentation pathway
Track metabolite sequence
Identify correct product order
Confusing metabolic sequence
😢 Uh oh! Incorrect answer, Try again
Follow reaction steps
Fermentation: Glucose→Pyruvate→Products
Study fermentation pathway
Track metabolite sequence
Identify correct product order
Confusing metabolic sequence
Analogous organs represent
🥳 Wohoo! Correct answer
Evolution types framework
Study evolutionary concepts
Compare organ evolution types
Identify convergent evolution pattern
Confusing evolution patterns
😢 Uh oh! Incorrect answer, Try again
Consider adaptation purpose
Evolution types framework
Study evolutionary concepts
Compare organ evolution types
Identify convergent evolution pattern
Confusing evolution patterns
Correct statement about sex determination
🥳 Wohoo! Correct answer
Sex determination patterns across species
Study sex determination systems
Compare across species
Identify correct grasshopper system
Confusing different systems
😢 Uh oh! Incorrect answer, Try again
Consider chromosome patterns
Sex determination patterns across species
Study sex determination systems
Compare across species
Identify correct grasshopper system
Confusing different systems
Down's syndrome is due to chromosomal aberration in
🥳 Wohoo! Correct answer
Nondisjunction: 2n→n+1,n-1
Understand chromosomal nondisjunction
Analyze meiotic error timing
Identify maternal meiosis I error
Confusing meiotic stages
😢 Uh oh! Incorrect answer, Try again
Consider chromosome separation
Nondisjunction: 2n→n+1,n-1
Understand chromosomal nondisjunction
Analyze meiotic error timing
Identify maternal meiosis I error
Confusing meiotic stages
Identify products of alcoholic fermentation
🥳 Wohoo! Correct answer
Fermentation: Glucose→Pyruvate→Acetaldehyde→Ethanol+CO2
Study fermentation pathway
Track product formation sequence
Identify correct product order
Confusing product sequence
😢 Uh oh! Incorrect answer, Try again
Follow metabolic steps
Fermentation: Glucose→Pyruvate→Acetaldehyde→Ethanol+CO2
Study fermentation pathway
Track product formation sequence
Identify correct product order
Confusing product sequence
Statement about respiration
🥳 Wohoo! Correct answer
Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy
Study cellular respiration pathways
Analyze each statement against respiratory processes
Identify oxygen's role in electron transport chain
Confusing glycolysis and TCA cycle locations
😢 Uh oh! Incorrect answer, Try again
Focus on hydrogen carriers
Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy
Study cellular respiration pathways
Analyze each statement against respiratory processes
Identify oxygen's role in electron transport chain
Confusing glycolysis and TCA cycle locations
Energy released in glycolysis is
🥳 Wohoo! Correct answer
Glycolysis: Glucose→2 Pyruvate + 0.3j
Calculate glucose breakdown energy
Analyze ATP production steps
Determine total energy yield
Miscalculating energy yields
😢 Uh oh! Incorrect answer, Try again
Consider energy conversion
Glycolysis: Glucose→2 Pyruvate + 0.3j
Calculate glucose breakdown energy
Analyze ATP production steps
Determine total energy yield
Miscalculating energy yields
The statement about evolution
🥳 Wohoo! Correct answer
Evolution principles framework
Analyze given evolutionary statements carefully
Compare statements with evolutionary principles
Verify accuracy of both statements
Misinterpreting evolutionary concepts
😢 Uh oh! Incorrect answer, Try again
Check statement consistency
Evolution principles framework
Analyze given evolutionary statements carefully
Compare statements with evolutionary principles
Verify accuracy of both statements
Misinterpreting evolutionary concepts
Which cross would give better quality wool
🥳 Wohoo! Correct answer
Breeding cross patterns
Understand breeding objectives
Analyze parent characteristics
Determine optimal cross for wool quality
Misunderstanding breeding patterns
😢 Uh oh! Incorrect answer, Try again
Consider trait inheritance
Breeding cross patterns
Understand breeding objectives
Analyze parent characteristics
Determine optimal cross for wool quality
Misunderstanding breeding patterns
Identify the wrong statement
🥳 Wohoo! Correct answer
ABO genotypes: IA/IB(codominant), i(recessive)
Review blood group genetics (ABO system)
Analyze each statement against ABO system rules
Identify that b and c alleles don't produce sugars (incorrect statement)
Misunderstanding ABO allele interactions
😢 Uh oh! Incorrect answer, Try again
Focus on antigen production in blood types
ABO genotypes: IA/IB(codominant), i(recessive)
Review blood group genetics (ABO system)
Analyze each statement against ABO system rules
Identify that b and c alleles don't produce sugars (incorrect statement)
Misunderstanding ABO allele interactions
One of the breeding techniques useful to eliminate harmful recessive genes by selection is
🥳 Wohoo! Correct answer
No formulas involved
Understand breeding methods
Analyze gene elimination
Identify effective technique
Confusion about breeding methods
😢 Uh oh! Incorrect answer, Try again
Think about genetic purification
No formulas involved
Understand breeding methods
Analyze gene elimination
Identify effective technique
Confusion about breeding methods
In a polysaccharide, number of monosaccharides is linked by
🥳 Wohoo! Correct answer
No formulas involved
Understand bond types
Identify sugar linkages
Recognize correct bond
Mixing up biological bonds
😢 Uh oh! Incorrect answer, Try again
Think about sugar connections
No formulas involved
Understand bond types
Identify sugar linkages
Recognize correct bond
Mixing up biological bonds
The gene for haemophilia is located on 'X' chromosome. Hence it is normally impossible for a
🥳 Wohoo! Correct answer
No formulas involved
Understand X-linked inheritance
Analyze transmission patterns
Determine impossible combinations
Confusion about sex-linked inheritance
😢 Uh oh! Incorrect answer, Try again
Think about Y chromosome inheritance
No formulas involved
Understand X-linked inheritance
Analyze transmission patterns
Determine impossible combinations
Confusion about sex-linked inheritance
Offsprings formed during sexual reproduction exhibits more variation than those formed by asexual method, because
🥳 Wohoo! Correct answer
No formulas involved
Understand sources of variation
Compare reproduction types
Analyze genetic mixing
Misconceptions about variation sources
😢 Uh oh! Incorrect answer, Try again
Think about genetic recombination
No formulas involved
Understand sources of variation
Compare reproduction types
Analyze genetic mixing
Misconceptions about variation sources
The gene disorder phenylketonuria is an example for
🥳 Wohoo! Correct answer
No formulas involved
Define inheritance patterns
Understand PKU effects
Identify single gene multiple effects
Confusion between inheritance types
😢 Uh oh! Incorrect answer, Try again
Think about enzyme deficiency effects
No formulas involved
Define inheritance patterns
Understand PKU effects
Identify single gene multiple effects
Confusion between inheritance types
Find the mismatch from the following pairs
🥳 Wohoo! Correct answer
No formulas involved
Define each evolutionary concept
Match with correct examples
Identify incorrect pairing
Confusion between evolutionary mechanisms
😢 Uh oh! Incorrect answer, Try again
Genetic drift changes gene frequency
No formulas involved
Define each evolutionary concept
Match with correct examples
Identify incorrect pairing
Confusion between evolutionary mechanisms
What is the function of the enzyme 'recombinase' during meiosis?
🥳 Wohoo! Correct answer
No formulas involved
Understand meiotic recombination
Identify role of recombinase
Connect to genetic variation
Mixing up meiotic enzymes
😢 Uh oh! Incorrect answer, Try again
Think about DNA exchange process
No formulas involved
Understand meiotic recombination
Identify role of recombinase
Connect to genetic variation
Mixing up meiotic enzymes
What is the role of competitive inhibitor during enzyme action?
🥳 Wohoo! Correct answer
Rate = k[E][S]/(Km + [S])
Understand enzyme-substrate binding
Analyze competitive inhibition mechanism
Determine effect on reaction rate
Confusing types of inhibition
😢 Uh oh! Incorrect answer, Try again
Think about active site competition
Rate = k[E][S]/(Km + [S])
Understand enzyme-substrate binding
Analyze competitive inhibition mechanism
Determine effect on reaction rate
Confusing types of inhibition
Inbreeding depression occurs due to continuous
🥳 Wohoo! Correct answer
Inbreeding coefficient calculation
Understand concept of inbreeding
Analyze effects of continuous breeding within same population
Recognize accumulation of recessive deleterious alleles
Confused with hybrid vigor
😢 Uh oh! Incorrect answer, Try again
Watch for decreased fitness in populations
Inbreeding coefficient calculation
Understand concept of inbreeding
Analyze effects of continuous breeding within same population
Recognize accumulation of recessive deleterious alleles
Confused with hybrid vigor
Identify the plants that are dominant during the Jurassic period
🥳 Wohoo! Correct answer
Plant Evolution Timeline
Understand geological time periods
Analyze plant evolution
Identify dominant groups
Confusing geological periods
😢 Uh oh! Incorrect answer, Try again
Consider evolutionary timeline
Plant Evolution Timeline
Understand geological time periods
Analyze plant evolution
Identify dominant groups
Confusing geological periods
Which one of the following is the identifiable character of Neanderthal man
🥳 Wohoo! Correct answer
Human Evolution Timeline
Compare human evolution stages
Analyze Neanderthal characteristics
Identify unique feature
Mixing evolutionary stages
😢 Uh oh! Incorrect answer, Try again
Consider cultural developments
Human Evolution Timeline
Compare human evolution stages
Analyze Neanderthal characteristics
Identify unique feature
Mixing evolutionary stages
The type of sex determination in honey bee is
🥳 Wohoo! Correct answer
♀(2n) → egg(n); ♂(n) → sperm(n)
Understand bee reproduction system
Analyze chromosome numbers in different sexes
Identify male (haploid) and female (diploid) pattern
Confusing with other sex determination systems
😢 Uh oh! Incorrect answer, Try again
Consider unfertilized vs. fertilized eggs
♀(2n) → egg(n); ♂(n) → sperm(n)
Understand bee reproduction system
Analyze chromosome numbers in different sexes
Identify male (haploid) and female (diploid) pattern
Confusing with other sex determination systems
In dihybrid cross, when F1 plants (RrYy) are self hybridised, the ratio of segregation of yellow and green in F2 is
🥳 Wohoo! Correct answer
Phenotype Ratio = 3:1 for each trait
Apply Mendel's laws
Calculate phenotype ratios
Determine color ratio
Mixing different crossing ratios
😢 Uh oh! Incorrect answer, Try again
Focus on single trait ratio
Phenotype Ratio = 3:1 for each trait
Apply Mendel's laws
Calculate phenotype ratios
Determine color ratio
Mixing different crossing ratios
Example for autosomal hyper aneuploidy is
🥳 Wohoo! Correct answer
Karyotype Analysis
Understand chromosome abnormalities
Compare different syndromes
Identify extra autosome condition
Confusing sex chromosome disorders
😢 Uh oh! Incorrect answer, Try again
Consider chromosome types
Karyotype Analysis
Understand chromosome abnormalities
Compare different syndromes
Identify extra autosome condition
Confusing sex chromosome disorders
Amoeba is immortal because
🥳 Wohoo! Correct answer
Binary Fission Diagram
Understand cell division types
Analyze reproduction methods
Compare with aging process
Confusing immortality with reproduction
😢 Uh oh! Incorrect answer, Try again
Consider cell continuity
Binary Fission Diagram
Understand cell division types
Analyze reproduction methods
Compare with aging process
Confusing immortality with reproduction
Identify the odd one among the following disorders
🥳 Wohoo! Correct answer
Inheritance patterns define genetic disorders
Compare inheritance patterns
Haemophilia is X-linked recessive
Others are autosomal recessive disorders
Not understanding inheritance patterns
😢 Uh oh! Incorrect answer, Try again
Look for different inheritance pattern
Inheritance patterns define genetic disorders
Compare inheritance patterns
Haemophilia is X-linked recessive
Others are autosomal recessive disorders
Not understanding inheritance patterns
Match enzymes with functions: Enterokinase, Rennin, Amylase, Lipase
🥳 Wohoo! Correct answer
Enzyme-Substrate Specificity Chart
Analyze each enzyme's function
Match with correct substrate
Verify complete pathway
Mixing up enzyme functions
😢 Uh oh! Incorrect answer, Try again
Connect enzyme names to functions
Enzyme-Substrate Specificity Chart
Analyze each enzyme's function
Match with correct substrate
Verify complete pathway
Mixing up enzyme functions
Which of the following is not a characteristic of facilitated transport?
🥳 Wohoo! Correct answer
Transport Types Chart
List properties of facilitated transport
Compare with active transport characteristics
Identify non-matching characteristic
Mixing transport types
😢 Uh oh! Incorrect answer, Try again
Focus on energy requirement
Transport Types Chart
List properties of facilitated transport
Compare with active transport characteristics
Identify non-matching characteristic
Mixing transport types
Which one of the following is not included under the endomembrane system?
🥳 Wohoo! Correct answer
Cell Organelle Chart
List components of endomembrane system
Understand origin and membrane continuity
Identify non-endomembrane component
Including all membrane-bound organelles
😢 Uh oh! Incorrect answer, Try again
Look for membrane origin and connectivity
Cell Organelle Chart
List components of endomembrane system
Understand origin and membrane continuity
Identify non-endomembrane component
Including all membrane-bound organelles
Breeding technique useful to expose harmful recessive genes is
🥳 Wohoo! Correct answer
Inbreeding coefficient
Understand breeding methods
Compare genetic effects
Identify gene expression
Missing inbreeding depression
😢 Uh oh! Incorrect answer, Try again
Consider homozygosity
Inbreeding coefficient
Understand breeding methods
Compare genetic effects
Identify gene expression
Missing inbreeding depression
Primary gases used by Miller in his experiment are
🥳 Wohoo! Correct answer
Chemical evolution
Recall primitive atmosphere
Identify reducing conditions
Match experimental setup
Missing reducing atmosphere concept
😢 Uh oh! Incorrect answer, Try again
Think about life origins
Chemical evolution
Recall primitive atmosphere
Identify reducing conditions
Match experimental setup
Missing reducing atmosphere concept
Probability of color blind daughter when parents have normal vision but fathers were color blind
🥳 Wohoo! Correct answer
Pedigree analysis
Analyze X-linked inheritance
Track gene transmission
Calculate probability
Missing X-linkage pattern
😢 Uh oh! Incorrect answer, Try again
Consider carrier status
Pedigree analysis
Analyze X-linked inheritance
Track gene transmission
Calculate probability
Missing X-linkage pattern
Choose possible genotypes responsible for lightest skin color in humans
🥳 Wohoo! Correct answer
Polygenic formula
Understand polygenic inheritance
Analyze recessive alleles
Identify minimum melanin
Missing polygenic concept
😢 Uh oh! Incorrect answer, Try again
Consider multiple genes
Polygenic formula
Understand polygenic inheritance
Analyze recessive alleles
Identify minimum melanin
Missing polygenic concept
ABO blood type in man is an example of- 1. Pleiotropy 2. Incomplete dominance 3. Co-dominance 4. Multiple allelism
🥳 Wohoo! Correct answer
ABO genotypes
Study inheritance pattern
Identify genetic phenomena
Match with blood type system
Missing codominance concept
😢 Uh oh! Incorrect answer, Try again
Consider allele interactions
ABO genotypes
Study inheritance pattern
Identify genetic phenomena
Match with blood type system
Missing codominance concept
In which groups do male and female gametophytes have independent, free-living existence?
🥳 Wohoo! Correct answer
No formulas involved
Compare plant life cycles
Identify free-living stages
Match correct groups
Assuming all lower plants have free gametophytes
😢 Uh oh! Incorrect answer, Try again
Check gametophyte dependency
No formulas involved
Compare plant life cycles
Identify free-living stages
Match correct groups
Assuming all lower plants have free gametophytes
Identify the major site of biosynthesis of lipids
🥳 Wohoo! Correct answer
No formulas involved
Understand organelle functions
Compare synthetic capabilities
Match with lipid synthesis
Confusing RER/SER functions
😢 Uh oh! Incorrect answer, Try again
Remember SER's smooth surface role
No formulas involved
Understand organelle functions
Compare synthetic capabilities
Match with lipid synthesis
Confusing RER/SER functions
In Morgan's experiment with Drosophila, when yellow bodied white eyed female was crossed with brown bodies red eyed male and their F1 progeny were intercrossed. What was the percentage of recombinants in F2 generation?
🥳 Wohoo! Correct answer
Recombination frequency = (Recombinants/Total) × 100
Understand linkage and crossing over
Calculate recombination frequency
Low percentage indicates tight linkage
Not understanding recombination calculation
😢 Uh oh! Incorrect answer, Try again
Consider distance between genes
Recombination frequency = (Recombinants/Total) × 100
Understand linkage and crossing over
Calculate recombination frequency
Low percentage indicates tight linkage
Not understanding recombination calculation
From the Chromosomal Complements given below, identify the one which shows female heterogamety
🥳 Wohoo! Correct answer
Female heterogamety: ZW (♀) ≠ ZZ (♂)
Understand sex determination systems
In ZW system, females have different sex chromosomes
ZZ-ZW shows female heterogamety (birds)
Confusing different sex determination systems
😢 Uh oh! Incorrect answer, Try again
Consider which sex produces different gametes
Female heterogamety: ZW (♀) ≠ ZZ (♂)
Understand sex determination systems
In ZW system, females have different sex chromosomes
ZZ-ZW shows female heterogamety (birds)
Confusing different sex determination systems
In animal breeding, the maximum genetic variations can be achieved through
🥳 Wohoo! Correct answer
Genetic variation: Inbreeding < Outcrossing < Crossbreeding < Interspecific
Compare different breeding methods
Interspecific hybridization combines different species
This creates maximum genetic diversity
Not understanding breeding method differences
😢 Uh oh! Incorrect answer, Try again
Consider genetic distance between parents
Genetic variation: Inbreeding < Outcrossing < Crossbreeding < Interspecific
Compare different breeding methods
Interspecific hybridization combines different species
This creates maximum genetic diversity
Not understanding breeding method differences
What is the function of Protein GLUT-4?
🥳 Wohoo! Correct answer
Glucose + GLUT-4 → Cellular uptake
Understand cellular glucose transport mechanisms
GLUT-4 is an insulin-dependent glucose transporter
It facilitates glucose uptake primarily in muscle and fat cells
Confusing different transport proteins
😢 Uh oh! Incorrect answer, Try again
Think about glucose homeostasis
Glucose + GLUT-4 → Cellular uptake
Understand cellular glucose transport mechanisms
GLUT-4 is an insulin-dependent glucose transporter
It facilitates glucose uptake primarily in muscle and fat cells
Confusing different transport proteins
In Bougainvillea and Cucurbita, the axillary bud is modified into thorn and tendril respectively. This is an example of
🥳 Wohoo! Correct answer
Divergent Evolution = Same structure → Different functions
Analyze the modification of same structure for different functions
Both modifications arise from axillary buds
Different adaptations from same ancestral structure show divergence
Confusing different types of evolution
😢 Uh oh! Incorrect answer, Try again
Consider the evolutionary relationship between modifications
Divergent Evolution = Same structure → Different functions
Analyze the modification of same structure for different functions
Both modifications arise from axillary buds
Different adaptations from same ancestral structure show divergence
Confusing different types of evolution
The brain capacity of Homo habilis
🥳 Wohoo! Correct answer
Brain size increase: H. habilis → H. erectus → H. sapiens
Study brain size evolution in human ancestors
Homo habilis was an early human species
Their brain capacity ranged from 650-800 cc
Confusing brain sizes of different human species
😢 Uh oh! Incorrect answer, Try again
Consider the chronological order of human evolution
Brain size increase: H. habilis → H. erectus → H. sapiens
Study brain size evolution in human ancestors
Homo habilis was an early human species
Their brain capacity ranged from 650-800 cc
Confusing brain sizes of different human species
Certain tumours are called malignant, because
🥳 Wohoo! Correct answer
Malignant growth: Loss of contact inhibition + Invasion + Metastasis
Understand characteristics of malignant tumors
Compare with benign tumor properties
Identify invasive and metastatic nature
Confusing benign and malignant
😢 Uh oh! Incorrect answer, Try again
Focus on growth pattern differences
Malignant growth: Loss of contact inhibition + Invasion + Metastasis
Understand characteristics of malignant tumors
Compare with benign tumor properties
Identify invasive and metastatic nature
Confusing benign and malignant
In a population of plants, some were extremely tall and the remaining were extremely dwarf. No plants of the population showed intermediate height. The type of operation of natural selection in the above cases is
🥳 Wohoo! Correct answer
Natural Selection types: Stabilizing/Directional/Disruptive
Identify selection pattern
Note absence of intermediate phenotypes
Recognize extreme trait selection
Mixing selection types
😢 Uh oh! Incorrect answer, Try again
Focus on phenotype distribution
Natural Selection types: Stabilizing/Directional/Disruptive
Identify selection pattern
Note absence of intermediate phenotypes
Recognize extreme trait selection
Mixing selection types
Which among the following was the biggest land dinosaur?
🥳 Wohoo! Correct answer
Dinosaur classification: Theropod vs Sauropod
Compare dinosaur sizes
Identify largest terrestrial predator
Confirm T-rex size superiority
Mixing dinosaur types
😢 Uh oh! Incorrect answer, Try again
Consider body dimensions
Dinosaur classification: Theropod vs Sauropod
Compare dinosaur sizes
Identify largest terrestrial predator
Confirm T-rex size superiority
Mixing dinosaur types
A pure breeding pea plant with round yellow seeds was crossed with pea plant having wrinkled green seeds. On selfing of F1 hybrid of his cross 64 progenies were obtained in F2 generation. Find out the number of F2 progenies showing non-parental characters
🥳 Wohoo! Correct answer
Dihybrid ratio: 9:3:3:1 = 36:12:12:4 in 64
Calculate total phenotype ratio (9:3:3:1)
Identify non-parental combinations
Multiply ratio by total number (64)
Miscounting phenotypes
😢 Uh oh! Incorrect answer, Try again
Use dihybrid ratio
Dihybrid ratio: 9:3:3:1 = 36:12:12:4 in 64
Calculate total phenotype ratio (9:3:3:1)
Identify non-parental combinations
Multiply ratio by total number (64)
Miscounting phenotypes
A man with blood group A marries a woman having blood group B. The maximum possible blood groups among their progenies are
🥳 Wohoo! Correct answer
ABO inheritance: IA, IB codominant; i recessive
Write parental genotypes (IA_ × IB_)
Consider possible gamete combinations
Calculate all possible phenotypes
Forgetting recessive alleles
😢 Uh oh! Incorrect answer, Try again
Use Punnett square method
ABO inheritance: IA, IB codominant; i recessive
Write parental genotypes (IA_ × IB_)
Consider possible gamete combinations
Calculate all possible phenotypes
Forgetting recessive alleles
In an Organism, mutation in a single gene exhibits multiple phenotypic expressions. Identify the underlying genetic mechanism in the above instance
🥳 Wohoo! Correct answer
Pleiotropy: One gene→Multiple traits
Understand gene effects
Identify multiple trait effects
Recognize pleiotropy pattern
Mixing inheritance patterns
😢 Uh oh! Incorrect answer, Try again
Focus on single gene effects
Pleiotropy: One gene→Multiple traits
Understand gene effects
Identify multiple trait effects
Recognize pleiotropy pattern
Mixing inheritance patterns
The element whose percentage weight is highest in both earth's crust and human body is
🥳 Wohoo! Correct answer
Abundance: O > Si > Al (crust), O > C > H (body)
Compare elemental composition of Earth's crust
Analyze elemental composition of human body
Identify oxygen as most abundant in both (65% in body, 46% in crust)
Assuming carbon is most abundant
😢 Uh oh! Incorrect answer, Try again
Consider both organic and inorganic composition
Abundance: O > Si > Al (crust), O > C > H (body)
Compare elemental composition of Earth's crust
Analyze elemental composition of human body
Identify oxygen as most abundant in both (65% in body, 46% in crust)
Assuming carbon is most abundant
Which of the following characters was not studied by Mendel in his Pea plant experiments?
🥳 Wohoo! Correct answer
Mendel's 7 traits: Height, pod, seed, flower traits
Review Mendel's seven traits
Check for leaf shape among traits
Confirm other traits were studied
Including non-studied traits
😢 Uh oh! Incorrect answer, Try again
Know Mendel's original work
Mendel's 7 traits: Height, pod, seed, flower traits
Review Mendel's seven traits
Check for leaf shape among traits
Confirm other traits were studied
Including non-studied traits
Which among Mendel's pea plant characters is recessive?
🥳 Wohoo! Correct answer
No formulas involved
Know Mendel's characters
Identify recessive traits
Verify white flower is recessive
Mixing dominant/recessive
😢 Uh oh! Incorrect answer, Try again
Know Mendel's work
No formulas involved
Know Mendel's characters
Identify recessive traits
Verify white flower is recessive
Mixing dominant/recessive
Match Column I with Column II about chromosomal disorders
🥳 Wohoo! Correct answer
No formulas involved
Know chromosomal disorders
Match disorders with descriptions
Verify correct associations
Confusing disorder types
😢 Uh oh! Incorrect answer, Try again
Know genetic disorders
No formulas involved
Know chromosomal disorders
Match disorders with descriptions
Verify correct associations
Confusing disorder types
Match Column I with Column II about chromosomal conditions
🥳 Wohoo! Correct answer
2n, n, 3n etc.
Identify types: Aneuploidy (chromosome gain/loss), Monoploidy (single set), Polyploidy (multiple sets), Diploidy (two sets)
Match with correct definitions
Verify final pattern
Mixing up ploidy terms
😢 Uh oh! Incorrect answer, Try again
Know chromosome numbers
2n, n, 3n etc.
Identify types: Aneuploidy (chromosome gain/loss), Monoploidy (single set), Polyploidy (multiple sets), Diploidy (two sets)
Match with correct definitions
Verify final pattern
Mixing up ploidy terms
What is the possible blood group of children whose parents are heterozygous for A and B blood groups?
🥳 Wohoo! Correct answer
ABO inheritance
Write parental genotypes (AO, BO)
Make Punnett square
Identify all possible phenotypes
Forgetting recessive alleles
😢 Uh oh! Incorrect answer, Try again
Know blood group inheritance
ABO inheritance
Write parental genotypes (AO, BO)
Make Punnett square
Identify all possible phenotypes
Forgetting recessive alleles
The genotype of husband and wife are IAIB & IAIO. Among blood types of their children, how many different genotypes & phenotypes are possible?
🥳 Wohoo! Correct answer
ABO blood groups
List possible gametes: IA,IB and IA,IO
Calculate possible combinations
Count unique genotypes and phenotypes
Not distinguishing genotype vs phenotype
😢 Uh oh! Incorrect answer, Try again
Use Punnett square
ABO blood groups
List possible gametes: IA,IB and IA,IO
Calculate possible combinations
Count unique genotypes and phenotypes
Not distinguishing genotype vs phenotype
Assertion: In Bryophytes & Pteridophytes the number of male gametes produced is several thousand times the number of female gametes produced. Reason: Large number of male gametes fail to reach the female gametes during transport
🥳 Wohoo! Correct answer
No formulas involved
Analyze assertion about gamete numbers
Check reason about gamete transport challenges
Verify both statements and their relationship
Not understanding reproductive adaptations
😢 Uh oh! Incorrect answer, Try again
Consider evolutionary adaptations
No formulas involved
Analyze assertion about gamete numbers
Check reason about gamete transport challenges
Verify both statements and their relationship
Not understanding reproductive adaptations
The following type of cell junction is not found in animal tissues
🥳 Wohoo! Correct answer
No formulas involved
Know types of cell junctions
Identify real vs non-existent junctions
Loose junction doesn't exist
Mixing up junction types
😢 Uh oh! Incorrect answer, Try again
Know cellular connections
No formulas involved
Know types of cell junctions
Identify real vs non-existent junctions
Loose junction doesn't exist
Mixing up junction types
Match the compounds of Column I with their functions in Column II: Trypsin, GLUT-4, Collagen, Antibody with their respective functions
🥳 Wohoo! Correct answer
No formulas involved
Identify functions: Trypsin (enzyme), GLUT-4 (glucose transport), Collagen (ground substance), Antibody (immune defense)
Match each compound with correct function
Verify final matching pattern
Mixing up protein functions
😢 Uh oh! Incorrect answer, Try again
Know biochemical functions
No formulas involved
Identify functions: Trypsin (enzyme), GLUT-4 (glucose transport), Collagen (ground substance), Antibody (immune defense)
Match each compound with correct function
Verify final matching pattern
Mixing up protein functions
Match the location of the cell given in Column I with its function in Column II (Mitochondrial components)
🥳 Wohoo! Correct answer
No formulas involved
Identify mitochondrial locations
Match locations with functions: matrix (Kreb's), cytoplasm (glycolysis), F0F1 (ATP synthesis), inner membrane (ETC)
Verify correct matches
Mixing up mitochondrial regions
😢 Uh oh! Incorrect answer, Try again
Know cellular respiration
No formulas involved
Identify mitochondrial locations
Match locations with functions: matrix (Kreb's), cytoplasm (glycolysis), F0F1 (ATP synthesis), inner membrane (ETC)
Verify correct matches
Mixing up mitochondrial regions
Identify the incorrect statement: 1. Speciation is generally a function of time 2. Tropical environment is less seasonal, relatively more constant and predictable 3. Solar energy contributes to high productivity 4. Temperate regions have remained relatively undisturbed for millions of years
🥳 Wohoo! Correct answer
No formulas involved
Examine statements 1-3 which are all correct ecological principles
Focus on statement 4 about temperate regions
Temperate regions have faced major disturbances (ice ages, etc.) making statement 4 incorrect
Students might confuse stability of temperate vs tropical ecosystems
😢 Uh oh! Incorrect answer, Try again
Look for scientifically inaccurate information about ecological systems
No formulas involved
Examine statements 1-3 which are all correct ecological principles
Focus on statement 4 about temperate regions
Temperate regions have faced major disturbances (ice ages, etc.) making statement 4 incorrect
Students might confuse stability of temperate vs tropical ecosystems
Enzyme involved in crossing over
🥳 Wohoo! Correct answer
Crossing over mechanism
Study meiotic recombination
Understand enzyme roles
Identify crossover catalyst
Enzyme function confusion
😢 Uh oh! Incorrect answer, Try again
Focus on genetic recombination
Crossing over mechanism
Study meiotic recombination
Understand enzyme roles
Identify crossover catalyst
Enzyme function confusion
The type of Polysaccharide present in a cotton fibre
🥳 Wohoo! Correct answer
Plant cell wall structure
Study plant cell wall
Identify fiber composition
Know cellulose role
Confusing storage and structural polysaccharides
😢 Uh oh! Incorrect answer, Try again
Think about plant structural components
Plant cell wall structure
Study plant cell wall
Identify fiber composition
Know cellulose role
Confusing storage and structural polysaccharides
Cell theory was formulated by
🥳 Wohoo! Correct answer
Cell theory postulates
Study history of cell theory
Know key contributors
Match correct pair
Historical figure confusion
😢 Uh oh! Incorrect answer, Try again
Remember historical collaboration
Cell theory postulates
Study history of cell theory
Know key contributors
Match correct pair
Historical figure confusion
Enzyme which is useful to remove the oily stains in laundry?
🥳 Wohoo! Correct answer
Enzyme action
Know enzyme functions
Match substrate-enzyme
Identify fat-breaking enzyme
Enzyme function confusion
😢 Uh oh! Incorrect answer, Try again
Think about oil breakdown
Enzyme action
Know enzyme functions
Match substrate-enzyme
Identify fat-breaking enzyme
Enzyme function confusion
Gynecomastia is a symptom of
🥳 Wohoo! Correct answer
Karyotype patterns
Study sex chromosome disorders
Analyze XXY condition effects
Link to hormonal imbalances
Confusing different syndromes
😢 Uh oh! Incorrect answer, Try again
Think about extra X chromosome effects
Karyotype patterns
Study sex chromosome disorders
Analyze XXY condition effects
Link to hormonal imbalances
Confusing different syndromes
Example of Non-Mendelian disorder
🥳 Wohoo! Correct answer
Inheritance patterns
Distinguish inheritance patterns
Identify chromosomal disorders
Understand trisomy conditions
Mixing genetic/chromosomal disorders
😢 Uh oh! Incorrect answer, Try again
Focus on chromosome number changes
Inheritance patterns
Distinguish inheritance patterns
Identify chromosomal disorders
Understand trisomy conditions
Mixing genetic/chromosomal disorders
XO type of sex determination and XY type of sex determination are examples of
🥳 Wohoo! Correct answer
Sex determination patterns
Understand sex chromosome patterns
Compare gamete types in males/females
Identify heterogametic sex
Confusion between homo/heterogamety
😢 Uh oh! Incorrect answer, Try again
Think about which sex produces different gametes
Sex determination patterns
Understand sex chromosome patterns
Compare gamete types in males/females
Identify heterogametic sex
Confusion between homo/heterogamety
The first human like being is
🥳 Wohoo! Correct answer
No formulas involved
Study human evolution timeline
Compare characteristics of early hominids
Identify earliest tool-making species
Confusion in evolutionary sequence
😢 Uh oh! Incorrect answer, Try again
Focus on chronological order of human evolution
No formulas involved
Study human evolution timeline
Compare characteristics of early hominids
Identify earliest tool-making species
Confusion in evolutionary sequence
Function of contractile vacuole in Amoeba is
🥳 Wohoo! Correct answer
Cell organelle functions
Understand vacuole function
Analyze cellular processes
Identify correct combination
Confusion about vacuole functions
😢 Uh oh! Incorrect answer, Try again
Consider water balance
Cell organelle functions
Understand vacuole function
Analyze cellular processes
Identify correct combination
Confusion about vacuole functions
Match List-I and List-II with respect to proteins and their functions: List-I: 1. Collagen 2. Trypsin 3. Insulin 4. Antibody List-II: p. Fights infectious agents q. Hormone r. Enzyme s. Intercellular ground substance
🥳 Wohoo! Correct answer
Protein classification chart
Identify protein types
Match with functions
Verify correct combinations
Confusion about protein functions
😢 Uh oh! Incorrect answer, Try again
Consider protein roles
Protein classification chart
Identify protein types
Match with functions
Verify correct combinations
Confusion about protein functions
With respect to Inbreeding, which among the following is not true?
🥳 Wohoo! Correct answer
Inbreeding coefficient formula
Understand inbreeding effects
Identify impact on homozygosity
Recognize false statement
Misconception about homozygosity increase
😢 Uh oh! Incorrect answer, Try again
Consider genetic uniformity
Inbreeding coefficient formula
Understand inbreeding effects
Identify impact on homozygosity
Recognize false statement
Misconception about homozygosity increase
Which of these is NOT an example for Adaptive radiation?
🥳 Wohoo! Correct answer
Adaptive radiation diagram
Define adaptive radiation
Identify examples of divergent evolution
Recognize gradual adaptation vs radiation
Confusion between adaptation and adaptive radiation
😢 Uh oh! Incorrect answer, Try again
Look for diversification from common ancestor
Adaptive radiation diagram
Define adaptive radiation
Identify examples of divergent evolution
Recognize gradual adaptation vs radiation
Confusion between adaptation and adaptive radiation
In a population of 800 rabbits showing Hardy-Weinberg equilibrium, the frequency of recessive individuals was 0.16. What is the frequency of heterozygous individuals?
🥳 Wohoo! Correct answer
p² + 2pq + q² = 1
Calculate q² (recessive frequency)
Find p and q values
Calculate 2pq (heterozygous frequency)
Confusion in applying H-W equation
😢 Uh oh! Incorrect answer, Try again
Use Hardy-Weinberg equation
p² + 2pq + q² = 1
Calculate q² (recessive frequency)
Find p and q values
Calculate 2pq (heterozygous frequency)
Confusion in applying H-W equation
In male heterogametic type of sex determination
🥳 Wohoo! Correct answer
XX-XY system diagram
Understand heterogamety
Identify gamete types
Match with correct pattern
Confusion between homo and heterogametic systems
😢 Uh oh! Incorrect answer, Try again
Focus on sperm cell types
XX-XY system diagram
Understand heterogamety
Identify gamete types
Match with correct pattern
Confusion between homo and heterogametic systems
Match the type of adaptation given in List-I with their examples given in List-II
🥳 Wohoo! Correct answer
No formulas involved
Biochemical adaptations occur at molecular level
Behavioral adaptations involve learned or innate responses
Physiological adaptations affect body functions
Confusing different types of adaptations; assuming all adaptations are physical
😢 Uh oh! Incorrect answer, Try again
Consider how each adaptation type helps survival
No formulas involved
Biochemical adaptations occur at molecular level
Behavioral adaptations involve learned or innate responses
Physiological adaptations affect body functions
Confusing different types of adaptations; assuming all adaptations are physical
Find the correct statement: (1) Generally a gene regulates a trait, but sometimes one gene has effect on multiple traits (2) The trait AB-blood group of man is regulated by one dominant allele and another recessive allele. Hence it is co-dominant
🥳 Wohoo! Correct answer
Multiple allele inheritance pattern, ABO blood group genotypes
Analyze statement 1 about pleiotropy
Analyze statement 2 about blood group inheritance
Compare with genetic principles
Confusion between co-dominance and multiple allele inheritance
😢 Uh oh! Incorrect answer, Try again
Consider pleiotropic effects and co-dominance separately
Multiple allele inheritance pattern, ABO blood group genotypes
Analyze statement 1 about pleiotropy
Analyze statement 2 about blood group inheritance
Compare with genetic principles
Confusion between co-dominance and multiple allele inheritance
Gene-mapping' technology was developed by
🥳 Wohoo! Correct answer
Genetic mapping principles
Identify historical development
Match scientist with contribution
Verify correct developer
Confusion between different genetics pioneers
😢 Uh oh! Incorrect answer, Try again
Research historical context
Genetic mapping principles
Identify historical development
Match scientist with contribution
Verify correct developer
Confusion between different genetics pioneers
Which of the following statements is correct?
🥳 Wohoo! Correct answer
X-linked inheritance pattern
Understand inheritance patterns
Analyze X-linked inheritance
Verify carrier transmission
Confusion between qualitative and quantitative traits
😢 Uh oh! Incorrect answer, Try again
Focus on sex-linked inheritance
X-linked inheritance pattern
Understand inheritance patterns
Analyze X-linked inheritance
Verify carrier transmission
Confusion between qualitative and quantitative traits
Mule is the result of
🥳 Wohoo! Correct answer
No formulas involved
A mule results from crossing a female horse (Equus caballus) with a male donkey (Equus asinus)
This cross involves two different species within the same genus
The offspring is typically sterile due to chromosome incompatibility
Confusing different breeding methods; thinking all hybrids are fertile
😢 Uh oh! Incorrect answer, Try again
Consider the taxonomic relationship between parent species
No formulas involved
A mule results from crossing a female horse (Equus caballus) with a male donkey (Equus asinus)
This cross involves two different species within the same genus
The offspring is typically sterile due to chromosome incompatibility
Confusing different breeding methods; thinking all hybrids are fertile
Most ape - like ancestral primate was
🥳 Wohoo! Correct answer
No formulas involved
Dryopithecus showed primitive ape features
It lived during the Miocene epoch
Had less specialized characteristics than later primates
Confusing primate evolutionary sequence
😢 Uh oh! Incorrect answer, Try again
Consider evolutionary timeline and features
No formulas involved
Dryopithecus showed primitive ape features
It lived during the Miocene epoch
Had less specialized characteristics than later primates
Confusing primate evolutionary sequence
Stanley Miller simulated the conditions of pre – biotic earth using spark – discharge apparatus. Which organic compounds were observed by him on analysing the end product of his experiment?
🥳 Wohoo! Correct answer
No formulas involved
Miller recreated primitive Earth conditions
Electrical discharge simulated lightning
Amino acids formed spontaneously from simple molecules
Misinterpreting experimental results
😢 Uh oh! Incorrect answer, Try again
Consider basic building blocks of life
No formulas involved
Miller recreated primitive Earth conditions
Electrical discharge simulated lightning
Amino acids formed spontaneously from simple molecules
Misinterpreting experimental results
In a dihybrid cross between a true breeding round yellow seeded and true breeding wrinkled green seeded pea plant, the ratio of segregation of round and wrinkled seed traits in F2 is
🥳 Wohoo! Correct answer
No formulas involved
Consider segregation of each trait independently
Round vs wrinkled follows Mendelian ratio
Color segregation doesn't affect shape ratio
Mixing independent and linked inheritance
😢 Uh oh! Incorrect answer, Try again
Focus on one trait's inheritance pattern
No formulas involved
Consider segregation of each trait independently
Round vs wrinkled follows Mendelian ratio
Color segregation doesn't affect shape ratio
Mixing independent and linked inheritance
The genotype ratio of incomplete dominance is
🥳 Wohoo! Correct answer
No formulas involved
Incomplete dominance shows blending of traits
Heterozygotes show intermediate phenotype
Ratio reflects all possible genotype combinations
Confusing dominance patterns
😢 Uh oh! Incorrect answer, Try again
Consider how alleles interact when neither is dominant
No formulas involved
Incomplete dominance shows blending of traits
Heterozygotes show intermediate phenotype
Ratio reflects all possible genotype combinations
Confusing dominance patterns
Which among the following is used to treat Emphysema?
🥳 Wohoo! Correct answer
No formulas involved
Emphysema involves progressive destruction of alveolar walls in lungs, reducing elasticity and gas exchange capacity
Alpha-1 antitrypsin normally protects lung tissue from damage by neutralizing destructive enzymes
Human protein α-antitrypsin replacement directly addresses the underlying deficiency
Confusing protein therapeutics with hormonal treatments
😢 Uh oh! Incorrect answer, Try again
Focus on understanding which molecule type (protein vs hormone) would best replace a missing protein
No formulas involved
Emphysema involves progressive destruction of alveolar walls in lungs, reducing elasticity and gas exchange capacity
Alpha-1 antitrypsin normally protects lung tissue from damage by neutralizing destructive enzymes
Human protein α-antitrypsin replacement directly addresses the underlying deficiency
Confusing protein therapeutics with hormonal treatments
Which of the following statements is correct with reference to vacuoles?
🥳 Wohoo! Correct answer
No formulas involved
Vacuoles are membrane-bound organelles found in cells
They function as storage compartments and maintain cell turgor
The tonoplast (vacuolar membrane) is essential for selective transport
Thinking vacuoles are just empty spaces
😢 Uh oh! Incorrect answer, Try again
Consider the importance of membrane in compartmentalization
No formulas involved
Vacuoles are membrane-bound organelles found in cells
They function as storage compartments and maintain cell turgor
The tonoplast (vacuolar membrane) is essential for selective transport
Thinking vacuoles are just empty spaces
Which is the intermediate compound that links the end product of Glycolysis with TCA Cycle?
🥳 Wohoo! Correct answer
No formulas involved
Glycolysis produces pyruvate
Pyruvate is converted to acetyl CoA
Acetyl CoA enters the TCA cycle
Confusing metabolic intermediates
😢 Uh oh! Incorrect answer, Try again
Focus on the connecting step between pathways
No formulas involved
Glycolysis produces pyruvate
Pyruvate is converted to acetyl CoA
Acetyl CoA enters the TCA cycle
Confusing metabolic intermediates
Which of the following is not a parasitic adaptation?
🥳 Wohoo! Correct answer
No formulas involved
Parasitic adaptations enhance survival in a parasitic lifestyle
Adhesive organs are crucial for parasite attachment to hosts
Other options are true parasitic adaptations that reduce unnecessary features or enhance reproduction
Confusing loss of features with lack of specialized structures
😢 Uh oh! Incorrect answer, Try again
Consider which feature would make parasitism more difficult rather than easier
No formulas involved
Parasitic adaptations enhance survival in a parasitic lifestyle
Adhesive organs are crucial for parasite attachment to hosts
Other options are true parasitic adaptations that reduce unnecessary features or enhance reproduction
Confusing loss of features with lack of specialized structures
Read the following statements Statement I: All vertebrates develop a row of vestigial gill slits during embryonic stage. Statement II: Embryos always pass through the adult stages of other animals.
🥳 Wohoo! Correct answer
No formulas involved
Vertebrate embryos show gill slits during development
This reflects evolutionary history but not adult stages
Statement II incorrectly describes recapitulation theory
Misunderstanding embryonic development patterns
😢 Uh oh! Incorrect answer, Try again
Consider embryological evidence for evolution
No formulas involved
Vertebrate embryos show gill slits during development
This reflects evolutionary history but not adult stages
Statement II incorrectly describes recapitulation theory
Misunderstanding embryonic development patterns
Test cross in pea plant is
🥳 Wohoo! Correct answer
No formulas involved
Test cross determines unknown genotype
Crossing with recessive parent reveals hidden alleles
Results show if organism is homozygous or heterozygous
Misunderstanding purpose of test cross
😢 Uh oh! Incorrect answer, Try again
Think about how to reveal hidden recessive alleles
No formulas involved
Test cross determines unknown genotype
Crossing with recessive parent reveals hidden alleles
Results show if organism is homozygous or heterozygous
Misunderstanding purpose of test cross