Genetics And Evolution Mock Tests

85 questions available

Genetics And Evolution Mock Test 1

Questions: 30

Genetics And Evolution Mock Test 2

Questions: 30

Genetics And Evolution Mock Test 3

Questions: 25

Sample Questions

NEET Biology

Crossing over occurs during which stage of meiosis?

A Pachytene

B Diplotene

C Zygotene

D Diakinesis

NEET Biology

Which of the following is the correct statement about "natural selection" and its types?

A Natural selection can be directional (favors one extreme), stabilizing (favors intermediate), or disruptive (favors both extremes); industrial melanism in peppered moth is an example of directional selection

B Natural selection always produces the "fittest" organism in absolute terms, not relative to environment

C Natural selection only acts on phenotypic traits that are completely determined by environment, not genetics

D Natural selection always leads to speciation within a single generation

NEET Biology

Marfan syndrome is caused by:

A A mutation in the gene encoding fibrillin-1 on chromosome 15

B Trisomy of chromosome 21

C Deletion of part of chromosome 5

D Mutation in the HBB gene on chromosome 11

NEET Biology

In the process of transcription, RNA polymerase binds to which region of DNA?

A Promoter

B Enhancer

C Terminator

D Structural gene

NEET Biology

In the process of protein synthesis, the codon AUG codes for:

A Methionine and serves as the start codon

B Valine and serves as the stop codon

C Tryptophan and serves as the only amino acid coded by a single codon

D Both methionine (start codon) and tryptophan (stop codon)

NEET Biology

In a pedigree chart, a filled (shaded) square represents:

A An unaffected male

B An affected female

C An affected male

D An unaffected female

NEET Biology

In a pedigree chart for an autosomal recessive disorder, which of the following patterns is typically observed?

A Affected children born to unaffected carrier parents

B Direct transmission from affected parent to affected child in every generation

C Only males are affected

D Affected mothers transmit to all their sons

NEET Biology

In a Mendelian cross, the F₂ generation showed both phenotypic and genotypic ratios of 1:2:1. What type of inheritance is this?

A Incomplete dominance

B Co-dominance

C Complete dominance

D Multiple alleles

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