Biology - Comprehensive Mock Test 145

Question 1441 Medium

Mesozoic era is associated with mass extinction of ______?

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

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Question 1442 Easy

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 1443 Easy

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 1444 Easy

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 1445 Medium

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 1446 Medium

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 1447 Medium

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 1448 Easy

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 1449 Easy

Coacervates are?

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

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Question 1450 Easy

What was the resultant found in place marked E ?

A) Glucose, fatty acids and lipids B) Some fatty acids and organic acids C) Some amino acids as glycine and alanine and D) Organic esters only

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