Human Physiology (AIIMS Biology): Questions 21 - 24 of 73

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Question number: 21

» Human Physiology » Body Fluids and Circulation » Double Circulation

MCQ▾

Question

The blood vascular system of mammals is known as double vascular system because

Choices

Choice (4) Response
a.

A group of veins carry oxygenated and other group conducts deoxygenated blood.

b.

The two different systems never meet.

c.

Oxygenated blood runs from heart to different organs by one set of veins while deoxygenated blood runs from heart to lung by another set.

d. All a. , b. and c. are correct

Question number: 22

» Human Physiology » Breathing and Respiration » Respiratory System in Humans

MCQ▾

Question

Respiration can be defined as

Choices

Choice (4) Response
a.

A catabolic process by which animal cells utilize carbon dioxide, produce oxygen and convert the released energy to ATP.

b.

An anabolic process by which animal cells utilize oxygen and carbon dioxide to form ATP.

c.

A catabolic process by which animals cells utilize oxygen, produce carbon dioxide and convert the released energy to ATP.

d.

An anabolic process by which animal cells utilize oxygen, produce carbon dioxide and convert the released energy to ATP.

Question number: 23

» Human Physiology » Breathing and Respiration » Mechanism of Breathing and Its Regulation in Humans

MCQ▾

Question

In mammals, the tracheal cartilaginous rings are

Choices

Choice (4) Response
a.

Incomplete laterally

b.

Incomplete rings

c.

Complete rings

d.

Incomplete dorsally

Question number: 24

» Human Physiology » Digestion and Absorption » Role of Digestive Enzymes and Gastrointestinal Hormones

MCQ▾

Question

What is common among amylase, rennin and trypsin?

Choices

Choice (4) Response
a.

These act at a pH lower than 7.

b.

These are product in stomach.

c.

These all are proteins.

d.

These all are proteolytic enzymes.

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