Subject SAT (College Board) Biology: Questions 90 - 95 of 824

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Question number: 90

» Behavior and Ecology

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MCQ▾

Question

Chemical messengers that are used for the communication within an animal species are known as

Choices

Choice (5)Response

a.

Enzymes

b.

Genes

c.

Hormones

d.

Pheromones

e.

All of the above

Question number: 91

» Structure and Function

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MCQ▾

Question

Epiglottis is meant for protecting

Choices

Choice (5)Response

a.

Nasal chambers from entry of food

b.

Oesophagus from entry of air

c.

Larynx from entry of food

d.

Teeth from caries

e.

All of the above

Question number: 92

» Behavior and Ecology

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MCQ▾

Question

The number and types of species in a given area is generally determined by that area’s

Choices

Choice (5)Response

a.

Biodiversity

b.

Climate

c.

Precipitation

d.

Biotic factors

e.

All of the above

Question number: 93

» Organization and Regulation

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MCQ▾

Question

If the concentration of a solute differs across a membrane permeable only to water, water will move across the membrane by

Choices

Choice (5)Response

a.

Phagocytosis.

b.

Exocytosis.

c.

Facilitated transport.

d.

Active transport.

e.

Osmosis.

Question number: 94

» Structure and Function

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MCQ▾

Question

Louder sound of heart beat occurs during the closer of

Choices

Choice (5)Response

a.

Tricuspid valve

b.

Atriculo-ventricular valves

c.

Semilunar valves

d.

Mitral valve

e.

Question does not provide sufficient data or is vague

Question number: 95

» Behavior and Ecology

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MCQ▾

Question

Species that have many off springs at one time are usually called

Choices

Choice (5)Response

a.

r- selected

b.

k- selected

c.

r and k selected

d.

Question does not provide sufficient data or is vague

e.

None of the above

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