Human Physiology (NEET (National Eligibility cum Medical Entrance Test) Biology): Questions 15 - 20 of 171

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Question number: 15

» Human Physiology » Digestion and Absorption » Digestion, Absorption and Assimilation of Proteins, Carbohydrates and Fats

MCQ▾

Question

The epithelium cells lining the stomach of vertebrates is protected from damage by HCI because

Choices

Choice (4) Response

a.

HCI is too dilute

b.

The epithelial cells are resistant to the action of HCI.

c.

The epithelial cells are covered with a mucous secretion.

d.

HCI is neutralized by alkaline gastric juice.

Question number: 16

» Human Physiology » Digestion and Absorption » Alimentary Canal and Digestive Glands

MCQ▾

Question

Dental formula of human being is

Choices

Choice (4) Response

a.

I3, C1, P2, M2

b.

I2, C1, P2, M3

c.

I2, C2, P1, M3

d.

I2, C2, P3, M1

Question number: 17

» Human Physiology » Excretory Products and Their Elimination » Human Excretory System-Structure and Function

MCQ▾

Question

The kidneys resemble the contractile vacuoles of protozoans in

Choices

Choice (4) Response

a.

Expelling out urea and uric acid.

b.

Expelling out glucose.

c.

Expelling out salts.

d.

Expelling out excess of water

Question number: 18

» Human Physiology » Neural Control and Coordination » Chemical Coordination and Regulation

MCQ▾

Question

The effect of different hormones on the body can be best said to bring about

Choices

Choice (4) Response

a.

Release of inherent capacities.

b.

Proper growth

c.

Co-ordination of functions

d.

Stimulation of organs.

Question number: 19

» Human Physiology » Locomotion » Locomotion and Movement

MCQ▾

Question

A…. . Muscle rotates the forearm to turn the palm downwards.

Choices

Choice (4) Response

a.

Pronator

b.

Supinator

c.

Adductor

d.

Abductor

Question number: 20

» Human Physiology » Neural Control and Coordination » Generation and Conduction of Nerve Impulse

MCQ▾

Question

Which one of the following statement in regard to nerve activity is true?

Choices

Choice (4) Response

a.

The synaptic cleft does not prevent direct propagation of action potential from presynaptic neuron to post synaptic cell.

b.

Combination of neurotransmitter with receptor site changes membrane potential without changing membrane potentiality.

c.

In tetanus the excitatory impulse to muscles are inhibited leading to lock jaw.

d.

Information across the synaptic cleft is transmitted by means of a chemical neurotransmitter in small vesicle.

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