Biology - Mock Test 210

Question 2091

Serial homology is exhibited by ______?

A) Organs of same individual occupying different levels of the body B) Organs of different organisms with same function C) appendages of various parts of prawn body D) both A and C

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Question 2092

Mesozoic era is associated with mass extinction of ______?

A) flowering plants B) trilobites C) Dodo D) dinosaurs

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Question 2093

Parallelism is ______?

A) adaptive divergence B) adaptive convergence C) adaptive convergence of far off species D) adaptive convergence of closely related groups.

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Question 2094

Evolutionary convergence is characterised by?

A) development of dissimilar characteristics in closely related groups B) development of a common set of characteristics in the groups of different ancestry C) development of characteristics by random mating D) replacement of common characteristics in different groups.

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Question 2095

Mega evolution is ______?

A) Changes in the gene pool B) evolution due to mutations C) origin of a new biological group D) the evolution that takes centuries

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Question 2096

According to abiogenesis life originate from ______?

A) non-living matter B) pre-exiting life C) chemicals D) extra-terrestrial matter

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Question 2097

Coacervates were experimentally produced by ............. ?

A) Sydney Fox and Oparin B) Fischer and Huxley C) Jacob and Monod D) Urey and Miller

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Question 2098

Which one of the following is present today but was absent about 3.5 billion years ago ?

A) Oxygen B) Nitrogen C) Hydrogen D) Methane

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Question 2099

The earliest organisms were ______?

A) heterotrophic and anaerobic B) autotrophic and anaerobic C) heterotrophic and aerobic D) autotrophic and aerobic

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Question 2100

Coacervates are?

A) colloidal droplets B) contain nucleoprotein C) A and B D) protobiont

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