NEET (National Eligibility cum Medical Entrance Test) Biology: Questions 73 - 79 of 3473

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Question number: 73

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

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 remains negative

b.

From negative to positive and back to negative.

c.

From positive to negative and back positive.

d.

From negative to positive and remains positive.

Question number: 74

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

MCQ▾

Question

Classification given by Bentham and Hooker is

Choices

Choice (4) Response

a.

natural

b.

phylogenetic

c.

artificial

d.

numerical

Question number: 75

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

MCQ▾

Question

Which one of the following characters causes cross pollination?

Choices

Choice (4) Response

a.

Dichogamy

b.

All of these

c.

Cleistogamy

d.

Homogamy

Question number: 76

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

MCQ▾

Question

Foramen of Monro is an aperture between

Choices

Choice (4) Response

a.

lateral and 3rd ventricle

b.

rhinocoel and diocoel

c.

3rd and 4th ventricle

d.

diocoel and metacoel

Question number: 77

» Biotechnology and Its Applications » Genetic Engineering

MCQ▾

Question

Collection of organisms as bacteria that all contain the same piece of recombinant DNA is called

Choices

Choice (4) Response

a.

Gene cloning

b.

All of the above

c.

Organ cloning

d.

Cell cloning

Question number: 78

» Plant Physiology » Mineral Nutrients » Macro and Micronutrients

MCQ▾

Question

Which of the following is not a macro-nutrient?

Choices

Choice (4) Response

a.

Mn

b.

Ca

c.

Mg

d.

P

Question number: 79

» Biotechnology and Its Applications » Genetic Engineering

MCQ▾

Question

Restriction endonucleases

Choices

Choice (4) Response

a.

Are used in genetic engineering for ligating two DNA molecules.

b.

Are used for in vitro DNA synthesis.

c.

Are synthesized by bacteria as a part of defense mechanism.

d.

Are present in mammalian cells for degradation of DNA when the cell dies

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