Subject SAT (College Board) Biology: Questions 438 - 443 of 824

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Question number: 438

» Atoms and Compounds

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MCQ▾

Question

Which of the following statements about sodium chloride is incorrect?

Choices

Choice (5)Response

a.

It is soluble in water

b.

It is brittle

c.

It has a high melting point

d.

It conducts electricity at room temperature

e.

All of the above

Question number: 439

» Organism and Population

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MCQ▾

Question

Animals producing natural pearls belong to

Choices

Choice (5)Response

a.

Cyclostomata

b.

Echinodermata

c.

Mollusca

d.

Fishes

e.

None of the above

Question number: 440

» DNA and Evolution

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MCQ▾

Question

Which of the following methods for introducing DNA into cells is used only for plants?

Choices

Choice (5)Response

a.

Gene gun

b.

Microinjection

c.

Transformation to competent host

d.

Electroporation

e.

None of the above

Question number: 441

» Cell

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MCQ▾

Question

Which of the following is an example of imbibition?

Choices

Choice (5)Response

a.

Uptake of water by root hair

b.

Exchange of gases in stomata

c.

Swelling of seed when put in soil

d.

Opening of stomata

e.

All of the above

Question number: 442

» Organism and Population

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MCQ▾

Question

A unicellular organism often considered as a connecting link between plants and animals is

Choices

Choice (5)Response

a.

Euglena

b.

Amoeba

c.

Paramoecium

d.

Entamoeba

e.

Question does not provide sufficient data or is vague

Question number: 443

» Cell

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MCQ▾

Question

Gene A and B are linked gene. Which of following gametes show recombination?

Choices

Choice (5)Response

a.

Ab

b.

ab

c.

AB

d.

aB

e.

Question does not provide sufficient data or is vague

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