Biology - Mock Test 206

Question 2051

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

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Question 2052

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

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Question 2053

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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Question 2054

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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Question 2055

Retrogressive evolution is shown by ______?

A) man B) birds C) tunicates D) fish

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Question 2056

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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Question 2057

Cosmozoic theory was given by ______?

A) Darwin B) Richter C) Aristotle D) Von Baer

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Question 2058

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

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Question 2059

Industrial melanism is an example of?

A) natural selection B) mutation C) adaptive convergence D) artificial selection

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Question 2060

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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