NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 72 - 76 of 3511

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Question number: 72

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

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MCQ▾

Question

According to the accepted concept of hormone action. If receptor molecules are removed from target organs

Choices

Choice (4) Response

a.

The target organ will continue to respond to the hormone but will require higher concentration.

b.

The target organ will continue to respond to the hormone but in the opposite way.

c.

The target organ will continue to respond to the hormone without any difference.

d.

The target organ will not respond to the hormone

Question number: 73

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

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MCQ▾

Question

When a neuron is stimulated to generate nerve impulse, the electrical potential on the inside of the nerve membrane changes

Choices

Choice (4) Response

a.

From positive to negative and back positive.

b.

From negative to positive and remains positive.

c.

From negative to positive and back to negative.

d.

From positive to negative and remains negative

Question number: 74

» Diversity in Living World » What is Living? » Need for Classification

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Question

Classification given by Bentham and Hooker is

Choices

Choice (4) Response

a.

natural

b.

artificial

c.

numerical

d.

phylogenetic

Question number: 75

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

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Question

Which one of the following characters causes cross pollination?

Choices

Choice (4) Response

a.

Cleistogamy

b.

Dichogamy

c.

Homogamy

d.

All of these

Question number: 76

» Human Physiology » Neural Control and Coordination » Central Nervous System

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MCQ▾

Question

Foramen of Monro is an aperture between

Choices

Choice (4) Response

a.

rhinocoel and diocoel

b.

3rd and 4th ventricle

c.

lateral and 3rd ventricle

d.

diocoel and metacoel