Subject SAT (College Board) Biology: Questions 518 - 522 of 824

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Question number: 518

» Organism and Population

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MCQ▾

Question

Yellow green pigmentation is found in

Choices

Choice (5)Response

a.

Rhodophyta

b.

Chlorophyta

c.

Phacophyta

d.

Xanthophyta

e.

Question does not provide sufficient data or is vague

Question number: 519

» DNA and Evolution

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MCQ▾

Question

stage of interphase of cell cycle shows

Choices

Choice (5)Response

a.

Active synthesis of DNA

b.

Active synthesis of RNA

c.

Active synthesis of protein

d.

Both b. and c. are correct

e.

Question does not provide sufficient data or is vague

Question number: 520

» Organism and Population

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MCQ▾

Question

Flowering depend on cold treatment is

Choices

Choice (5)Response

a.

Cryogenics

b.

Vernalization

c.

Cryotherapy

d.

Cryopreservation

e.

None of the above

Question number: 521

» Cell

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MCQ▾

Question

Which of the following statements correctly describes the behavior of the hemoglobin protein in sickle-cell disease?

Choices

Choice (5)Response

a.

The haemoglobin protein lacks a haem group.

b.

The haemoglobin protein dissociates into four subunits.

c.

The haemoglobin protein possesses an iron atom in the Fe (III) form rather than the normal Fe (II) form.

d.

Neighbouring haemoglobin proteins aggregate together.

e.

Question does not provide sufficient data or is vague

Question number: 522

» Organism and Population

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MCQ▾

Question

Select the correct statement

Choices

Choice (5)Response

a.

Bryophytes are vascular non-flowering plants

b.

Gymnosperm are nonvascular seed bearing plants

c.

Angiosperms are vascular flowering plants

d.

Pteridophytes are vascular seed bearing plants

e.

None of the above

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