Subject SAT (College Board) Biology: Questions 715 - 719 of 824

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Question number: 715

» DNA and Evolution

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MCQ▾

Question

Fossil age in the past was generally determined by radio-carbon method but currently more precise methods were being used and led to the revision of the evolutionary periods for different groups of organisms, incorporate

Choices

Choice (5)Response

a.

Study of carbohydrates/proteins in rocks

b.

Study of the conditions of fossilization

c.

Study of carbohydrates/proteins in fossils

d.

Electron spin resonance (ESR) and fossil DNA

e.

None of the above

Question number: 716

» DNA and Evolution

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MCQ▾

Question

The chromosomal aberration which will not change the number of genes is

Choices

Choice (5)Response

a.

Translocation

b.

Deletion

c.

Duplication

d.

Inversion

e.

Question does not provide sufficient data or is vague

Question number: 717

» DNA and Evolution

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MCQ▾

Question

The course of mating of closely related individuals is called

Choices

Choice (5)Response

a.

heterosis

b.

hybridization

c.

self breeding

d.

inbreeding

e.

Question does not provide sufficient data or is vague

Question number: 718

» Organization and Regulation

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MCQ▾

Question

Which of the following enzyme most abundantly found on earth?

Choices

Choice (5)Response

a.

Nitrogenase

b.

Invertase

c.

RuBisCO

d.

Catalase

e.

None of the above

Question number: 719

» DNA and Evolution

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MCQ▾

Question

Weismann cut off tails of mice generation after generation however it neither get disappeared nor shortened proving that

Choices

Choice (5)Response

a.

Mutation theory is wrong

b.

Darwin was correct

c.

Lamarckism was erroneous in inheritance of acquired characters

d.

Tail is an essential organ

e.

None of the above

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