Subject SAT (College Board) Biology: Questions 12 - 17 of 805

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Question number: 12

» Structure and Function

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MCQ▾

Question

Which one of the following statement is correct about ‘Sertoli cells also called as nurse cells’?

Choices

Choice (4) Response

a.

Found in seminiferous tubules and provide nutrition to germ cells

b.

Found in ovaries and secrete progesterone

c.

Found in pancreas and secrete cholecystokinin

d.

Found in adrenal cortex and secrete adrenaline

Question number: 13

» Behavior and Ecology

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MCQ▾

Question

The formula for exponential growth curve is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 14

» Behavior and Ecology

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MCQ▾

Question

What plant species in the below figure represents ‘Pioneer organisms’?

Figure represents ‘Pioneer organisms

Figure Represents ‘Pioneer Organisms

Figure represents ‘Pioneer organisms

Choices

Choice (4) Response

a.

Shrubs

b.

Deciduous trees

c.

Lichen

d.

Conifer trees

Question number: 15

» Behavior and Ecology

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MCQ▾

Question

Which of the following has caused the human population growth rate to increase?

Choices

Choice (4) Response

a.

A shift towards a newer populations

b.

Improvements in nutrition, medicines and sanitation

c.

The frequency and severity to common diseases

d.

Drought

Question number: 16

» Structure and Function

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MCQ▾

Question

Where do precursor T-lymphocytes develop into fully competent but not yet activated T-cells?

Choices

Choice (4) Response

a.

The thymus gland

b.

The spleen

c.

The bone marrow

d.

The lymph nodes

Question number: 17

» Behavior and Ecology

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MCQ▾

Question

Biodiversity is important to human society because

Choices

Choice (4) Response

a.

Provides medicines

b.

Is serving as a natural resource

c.

Provides foods and goods

d.

All a. , b. and c. are correct

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