Structure and Function [Subject SAT (College Board) Biology]: Questions 75 - 78 of 82

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Question 75

Structure and Function
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Question

MCQ▾

Digestion in protozoans is

Choices

Choice (5)Response

a.

Extracellular.

b.

Intracellular.

c.

Intercellular.

d.

Dorsal.

e.

None of the above

Question 76

Structure and Function
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Question

MCQ▾

What is the breathing rate in human beings?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 77

Structure and Function
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Question

MCQ▾

Which of the following statements about blood supply to the lungs is correct?

Choices

Choice (5)Response

a.

The pulmonary veins carry deoxygenated blood to the lungs for gas exchange in the alveoli. The reoxygenated blood returns to the heart via the pulmonary arteries.

b.

The pulmonary arteries carry oxygenated blood to the lungs for gas exchange in the alveoli. The deoxygenated blood returns to the heart via the pulmonary veins.

c.

The pulmonary arteries carry deoxygenated blood to the lungs for gas exchange in the alveoli. The reoxygenated blood returns to the heart via the pulmonary veins.

d.

The lungs themselves receive oxygenated blood from the coronary artery which perfuse lung tissue.

e.

None of the above

Question 78

Structure and Function
Edit

Question

MCQ▾

Which of the following enzymes acts on protein?

Choices

Choice (5)Response

a.

Pepsin

b.

Ptyalin

c.

Amylase

d.

Maltase

e.

Sucrase