Subject SAT (College Board) Biology: Questions 757 - 761 of 824

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Question number: 757

» Cell

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MCQ▾

Question

Of the total incident solar radiation the proportion of PAR is

Choices

Choice (5)Response

a.

Less than 50%

b.

Above 80%

c.

About 60%

d.

More than 70%

e.

Question does not provide sufficient data or is vague

Question number: 758

» DNA and Evolution

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MCQ▾

Question

DNA is composed of repeating units of

Choices

Choice (5)Response

a.

deoxyribonucleotides

b.

ribonucleosides

c.

ribonucleotides

d.

deoxyribonucleosides

e.

None of the above

Question number: 759

» Behavior and Ecology

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MCQ▾

Question

A plant in your garden avoids photo respiratory losses and has improved water use efficiency, shows high rate of photosynthesis at high temperatures. Which of the following physiological groups you would put this plant?

Choices

Choice (5)Response

a.

C4

b.

CAM

c.

C3

d.

Nitrogen fixer

e.

Question does not provide sufficient data or is vague

Question number: 760

» DNA and Evolution

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MCQ▾

Question

A clover-leaf like secondary structure of tRNA comprising of

Choices

Choice (5)Response

a.

four stem loops

b.

three stem loops

c.

two stem loops

d.

Question does not provide sufficient data or is vague

e.

All of the above

Question number: 761

» DNA and Evolution

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MCQ▾

Question

The earliest fossil form, in the phylogeny of horse, is

Choices

Choice (5)Response

a.

Merychippus

b.

Eqiitts

c.

Eohippus

d.

Mesohippus

e.

None of the above

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