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Biotechnology Engineering (BT) Exam  >  Biotechnology Engineering (BT) Test  >  Mock Test Series of IIT JAM Biotechnology 2027  >  Evolution MCQ - Biotechnology Engineering (BT) MCQ

Evolution MCQ Free Online Test 2026


MCQ Practice Test & Solutions: Evolution MCQ (20 Questions)

You can prepare effectively for Biotechnology Engineering (BT) Mock Test Series of IIT JAM Biotechnology 2027 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Evolution MCQ". These 20 questions have been designed by the experts with the latest curriculum of Biotechnology Engineering (BT) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 20

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Evolution MCQ - Question 1
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Which of the following scientists proposed the theory of natural selection?

Detailed Solution: Question 1

Darwin is credited with the development of the theory of natural selection.

Evolution MCQ - Question 2
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The Hardy-Weinberg equilibrium is based on all of the following assumptions except:

Detailed Solution: Question 2

Hardy-Weinberg equilibrium assumes a large population size to prevent genetic drift.

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Evolution MCQ - Question 3
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Which of the following is an example of genetic drift?

Detailed Solution: Question 3

Genetic drift occurs when a small group of individuals forms a new population.

Evolution MCQ - Question 4
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Homologous structures in different organisms are evidence of:

Detailed Solution: Question 4

Homologous structures arise from a common ancestor and indicate divergent evolution.

Evolution MCQ - Question 5
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Which of the following is a vestigial structure in humans?

Detailed Solution: Question 5

The appendix is a vestigial structure, a remnant of an organ that had a function in ancestors.

Evolution MCQ - Question 6
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The primary mechanism by which new genetic material is introduced into a population is:

Detailed Solution: Question 6

Mutations introduce new genetic material into a population, driving evolution.

Evolution MCQ - Question 7
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Which of the following terms describes the process by which unrelated species evolve similar traits?

Detailed Solution: Question 7

Convergent evolution occurs when unrelated species develop similar traits due to similar environmental pressures.

Evolution MCQ - Question 8
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The concept of “survival of the fittest” is most closely associated with:

Detailed Solution: Question 8

Survival of the fittest is a concept central to Darwin’s theory of natural selection.

Evolution MCQ - Question 9
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In a population that is in Hardy-Weinberg equilibrium, the frequency of the dominant allele is 0.7. What is the frequency of the recessive allele?

Detailed Solution: Question 9

If the frequency of the dominant allele is 0.7, the recessive allele’s frequency is 1 – 0.7 = 0.3.

Evolution MCQ - Question 10
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Which of the following best describes allopatric speciation?

Detailed Solution: Question 10

Allopatric speciation occurs when populations are geographically isolated and evolve independently.

Evolution MCQ - Question 11
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In which era did the first multicellular organisms appear?

Detailed Solution: Question 11

The first multicellular organisms appeared during the Precambrian era.

Evolution MCQ - Question 12
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Which of the following mechanisms leads to an increase in genetic diversity within a population?

Detailed Solution: Question 12

Mutations increase genetic diversity by introducing new alleles into the population.

Evolution MCQ - Question 13
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The bottleneck effect is an example of:

Detailed Solution: Question 13

The bottleneck effect is a form of genetic drift that occurs when a population’s size is significantly reduced.

Evolution MCQ - Question 14
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Which type of selection favors the intermediate phenotype?

Detailed Solution: Question 14

Stabilizing selection favors the intermediate phenotype, reducing variation in a trait.

Evolution MCQ - Question 15
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The Cambrian explosion is significant because it:

Detailed Solution: Question 15

The Cambrian explosion saw the rapid emergence of a wide variety of complex organisms.

Evolution MCQ - Question 16
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Adaptive radiation is most likely to occur when:

Detailed Solution: Question 16

Adaptive radiation occurs when a species quickly diversifies to fill available ecological niches.

Evolution MCQ - Question 17
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Which of the following is a correct statement about the fossil record?

Detailed Solution: Question 17

The fossil record shows patterns that suggest all life shares a common ancestor.

Evolution MCQ - Question 18
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Which of the following is an example of co-evolution?

Detailed Solution: Question 18

Co-evolution involves two species evolving traits in response to each other.

Evolution MCQ - Question 19
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The term “punctuated equilibrium” refers to:

Detailed Solution: Question 19

Punctuated equilibrium describes a pattern of evolutionary change in which long periods of stability are punctuated by short bursts of rapid evolution.

Evolution MCQ - Question 20
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Which of the following is an example of sexual selection?

Detailed Solution: Question 20

Sexual selection is a form of natural selection where traits that increase an individual’s chance of mating are favored.

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About this Biotechnology Engineering (BT) Practice Test

This test contains 20 MCQs on Evolution MCQ with detailed solutions for each question. It is part of the Mock Test Series of IIT JAM Biotechnology 2027 course on EduRev, designed to align with the current Biotechnology Engineering (BT) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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