Subject SAT (College Board) Biology: Questions 51 - 55 of 824

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Question number: 51

» Structure and Function

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MCQ▾

Question

The haemoglobin of a foetus:

Choices

Choice (5)Response

a.

Its affinity for oxygen is same as that of an adult

b.

Has a lower affinity for oxygen than that of an adult

c.

Has only two protein subunits instead of four

d.

Has a higher affinity for oxygen than that of an adult

e.

All of the above

Question number: 52

» Organization and Regulation

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MCQ▾

Question

Chromosomes are pulled to opposite poles of the cell.

Choices

Choice (5)Response

a.

Interphase

b.

Telophase

c.

Anaphase

d.

Metaphase

e.

Prophase

Question number: 53

» Behavior and Ecology

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MCQ▾

Question

The Eastern population of United States is dominated by which biome?

Choices

Choice (5)Response

a.

Taiga

b.

Temperate forest

c.

Tropical rain forest

d.

Desert

e.

Question does not provide sufficient data or is vague

Question number: 54

» Structure and Function

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MCQ▾

Question

Which is pace setter of the human heart?

Choices

Choice (5)Response

a.

SA node

b.

Bundle of His

c.

AV node

d.

Purkinje fibres

e.

None of the above

Question number: 55

» Behavior and Ecology

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MCQ▾

Question

A herd of deer is lives in an area of Southwest of Texas between two major interstate roadways. As the population continues to grow, several deer die due to starvation. This example in which type of limiting factor?

Choices

Choice (5)Response

a.

Density independent

b.

Biotic factors

c.

Density dependent

d.

Abiotic factors

e.

All of the above

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