Evolution Short Questions with Answers

1 Who gave evolutionary concept of determinants ?

A Dobzhansky

B Wright

C Weismann

D Lamarck

View Answer

Answer:Wright

2 Darwin’s theory of natural selection is objected, because it

A stresses upon slow and small variations

B explains the adaption of certain inherited characters

C stresses on interspecific competition

D explains that natural calamities take a heavy annual toll of lives

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Answer: explains the adaption of certain inherited characters

3 Darwin’s natural selection is based on

A variations

B prodigality, struggle for existence, survival of fittest

C law of use and disuse

D law of inheritance of acquired characters

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Answer:variations

4 Industrial melanism is an example of

A natural selection

B mutation

C adaptive convergence

D artificial selection

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Answer:adaptive convergence

5 Which statement is correct ?

A Lamarck theory – Struggle for existence

B Darwin theory – Use and disuse of organ

C Biogentic law – Recapitulation theory

D Lamarck theory – Theory of continuity of germplasm

View Answer

Answer: Biogentic law – Recapitulation theory

6 Cosmozoic theory was given by

A Darwin

B Richter

C Aristotle

D Von Baer

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Answer:Aristotle

7 Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution ?

A Development of transgenic animals

B Production of ‘Dolly’ the sheep by clothing

C Prevalence of pesticide resistant insects

D Development of organs from ‘stem cells’ for organ transplantation

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Answer:Production of ‘Dolly’ the sheep by clothing

8 Retrogressive evolution is shown by

A man

B birds

C tunicates

D fish

View Answer

Answer:man

9 A. Genetic drift refers to change in allelic frequencies of a gene pool due to chance and occurs both in large and small populations.
R. Small populations will, therefore, suffer more than larger ones.

A If A and R both are true and R is correct explanation of A

B If A and R both are true but R is not correct explanation of A

C If A is true and R is wrong

D If A is wrong and R is true

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Answer:If A and R both are true and R is correct explanation of A

10 In a population, group of individuals of similar phenotypes are formed due to differential reproduction due to

A genetic drift

B natural selection

C migration

D selective hybridization

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Answer:genetic drift

11 Phylogenetic evolution refers to

A genetic relationship and evolutionary sequence

B similar habitat

C natural affinity of genes

D similar character

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Answer:natural affinity of genes

12 Genetic drift occurs when few individuals of a colonize, the phenomenon is

A bottleneck effect

B assortative mating

C founder’s effect

D random mating

View Answer

Answer: random mating

13 Sympatric speciation arises due to

A non-overlapping population of the same area

B geographical isolation

C overlapping population of the same area

D non-reproductive population of the same area

View Answer

Answer:Zoospores

14 Hardy – Weinberg equilibrium is known to be effected by gene flow, genetic drift, mutation, genetic recombination and

A evolution

B limiting factor

C saltation

D natural selection

View Answer

Answer: evolution

15 Assertion : According to Hardy – Weinberg Equilibrium, the frequency of an allele remains the same generation after genetation.
Reason : The only way to bring about a change is by natural selection.

A A is correct and R is its explanation.

B A and R both are correct but R is not an explanation to A

C A is correct and R is false

D A is false and R is correct orbit

View Answer