Subject SAT (College Board) Biology: Questions 525 - 529 of 805

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Question number: 525

» Organism and Population

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MCQ▾

Question

Flowering depend on cold treatment is

Choices

Choice (4) Response

a.

Cryogenics

b.

Vernalization

c.

Cryotherapy

d.

Cryopreservation

Question number: 526

» 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 (4) 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.

Question number: 527

» Organism and Population

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MCQ▾

Question

Select the correct statement

Choices

Choice (4) 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

Question number: 528

» Cell

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MCQ▾

Question

A bacterium divides every 35 minutes. If a culture containing cells per ml is grown for 175 minutes, what will be the cell cincentration per ml after 175 mts?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 529

» Cell

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MCQ▾

Question

In the given diagram of bacteriophage, identify all correct parts.

The diagram of bacteriophage

The Diagram of Bacteriophage

The diagram of bacteriophage

Choices

Choice (4) Response

a.

Correct parts of bacteriophage

Correct parts of bacteriophage

A

B

C

D

Sheath

Collar

Heed

Tail fibers

b.

Correct parts of bacteriophage

Correct parts of bacteriophage

A

B

C

D

Tail fibers

Head

Sheath

Collar

c.

Correct parts of bacteriophage

Correct parts of bacteriophage

A

B

C

D

Collar

Tail fibers

Sheath

Head

d.

Correct parts of bacteriophage

Correct parts of bacteriophage

A

B

C

D

Head

Sheath

Collar

Tail fibers

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