Origin and Evolution of Life: MCQs Test – 3 3

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NEET Biology Questions | Origin and Evolution of Life NEET Questions (MCQs) with Answers | Online Test No 03

Evolution: MCQs Quiz – 3

Congratulations - you have completed Evolution: MCQs Quiz – 3. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%
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Question 1
The tendency of population to remain in genetic equilibrium may be disturbed by [NEET 2013]
A
Random mating
B
Lack of migration
C
Lack of mutations
D
Lack of random mating
Question 2
A baby has been born with a small tail. It is the case exhibiting
A
atavism
B
mutation
C
retrogressive evolution
D
metamorphosis
Question 3
Homologous organs indicate the
A
Convergent evolution
B
Parallel evolution
C
Common descendent
D
Natural selection
Question 4
One of the important consequences of geographical isolation is:
A
Random creation of new species
B
No change in the isolated fauna
C
Preventing Speciation
D
Speciation through reproductive isolation
Question 5
Coacervates were experimentally produced by______.
A
Fischer and Huxley
B
Sidney Fox and Oparin
C
Urey and Miller
D
Jacob and Monod
Question 6
What is meant by the term Darwin fitness?
A
The ability to survive and reproduce
B
High aggressiveness
C
Healthy appearance
D
Physical strength
Question 7
Diversification in plant life appeared:
A
Due to abrupt mutations
B
Suddenly on earth
C
By seed dispersal
D
Due to long periods of evolutionary changes
Question 8
De Vries gave his mutation theory on organic evolution while working on -
A
Oenothera lamarckiana
B
Drosophila melanogaster
C
Pisum sativum
D
Althea rosea
Question 9
What is common to whale, seal and shark?
A
Homeothermy
B
Seasonal migration
C
Thick subcutaneous fat
D
Convergent evolution
Question 10
Chemical reactions could have converted simple organic compounds into ______ for the origin of life.
A
Micromolecules
B
Nitrogen, oxygen and other gases
C
Cells
D
Macromolecules
Question 11
The concept of chemical evolution is based on
A
Possible origin of life by combination of chemicals under suitable environmental conditions
B
Crystallization of chemicals
C
Interaction of water, air and clay under intense heat
D
Effect of solar radiation on chemicals
Question 12
Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary period for different groups of organisms, includes
A
study of carbohydrates/proteins in fossils
B
study of the conditions of fossilization
C
Electron Spin Resonance (ESR) and fossil DNA
D
study of carbohydrates/proteins in rocks
Question 13
Which one of the following sequences was proposed by Darwin and Wallace for organic evolution?
A
Overproduction, variations, constancy of population size, natural selection
B
Variations, constancy of population size, overproduction, natural selection
C
Overproduction, constancy of population size, variations, natural selection
D
Variations, natural selection, overproduction, constancy of population size
Question 14
The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge, is called [NEET 2013]
A
Natural selection
B
Convergent evolution
C
Non-random evolution
D
Adaptive radiation
Question 15
Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as [NEET 2013]
A
Genetic flow
B
Genetic drift
C
Random mating
D
Genetic load
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3 thoughts on “Origin and Evolution of Life: MCQs Test – 3”

  • Reply ↓
    praveena dasamukha

    its very good for neet preparing students

  • Reply ↓
    Tanvi

    In q.9 the answer should be homeothermy I guess…I have checked on net also sir
    Anyways…thanks a lot sir for the tests..they help us a lot.

    • Reply ↓
      Ananth

      Majority of the sharks don’t exhibit homeothermy..only a few like salmon sharks..