Subject SAT (College Board) Biology: Questions 819 - 823 of 824

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Question number: 819

» Atoms and Compounds

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MCQ▾

Question

Elements used for making molecules found in living systems must

Choices

Choice (5)Response

a.

Contain nitrogen and sulphur.

b.

Be hydrophilic.

c.

Be covalent.

d.

Be water soluble and ionic.

e.

Be suitable and available.

Question number: 820

» DNA and Evolution

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MCQ▾

Question

Which of the following is NOT consistent with Griffith’s experiments?

Choices

Choice (5)Response

a.

Injected mixture of R-strain and live S-strain: mouse dies

b.

Injected mixture of heat-killed S-strain and live R-strain: mouse lives

c.

Injected heat-killed S-strain: mouse lives

d.

Injected R-strain: mouse lives

e.

Injected S-strain: mouse dies

Question number: 821

» Organism and Population

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MCQ▾

Question

Which of the following have a visceral mass and a muscular foot?

Choices

Choice (5)Response

a.

Medusoids

b.

Annelida

c.

Aschelminthes

d.

Mollusca

e.

Arthropoda

Question number: 822

» Behavior and Ecology

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MCQ▾

Question

Which of the following is an instinct?

Choices

Choice (5)Response

a.

Caring for offspring

b.

Habituation

c.

Operant conditioning

d.

Associative behavior

e.

Observational learning

Question number: 823

» Atoms and Compounds

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MCQ▾

Question

Which of the following is NOT a property of water?

Choices

Choice (5)Response

a.

Hydrophilic properties

b.

Hydrophobic properties

c.

Very good solvent

d.

Density as a solid is less than that as a liquid

e.

Strong surface tension

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