NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 657 - 663 of 3511

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Question number: 657

» Cell Structure and Function » Chemical Constituents of Living Cells » Enzymes - Types, Properties, Enzyme Action

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MCQ▾

Question

Enzymes are different from inorganic catalysts by

Choices

Choice (4) Response

a.

Being proteinnaceous in nature.

b.

Not being used up in reactions.

c.

Having high diffusion rate.

d.

Working at high temperature.

Question number: 658

» Biology and Human Welfare » Health and Disease » Pathogens

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MCQ▾

Question

Common symptoms of measles are

Choices

Choice (4) Response

a.

Lacerating ulcers.

b.

Dew drop-like rashes on skin and high fever

c.

Erupting of small red spots and inflammation of mucous membrane of nose.

d.

Question does not provide sufficient data or is vague

Question number: 659

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Stem

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Question

Healing of wound in plants takes place by the activity of

Choices

Choice (4) Response

a.

permanent tissue

b.

secondary meristem

c.

callus deposition

d.

ground tissue

Question number: 660

» Cell Structure and Function » Chemical Constituents of Living Cells » Enzymes - Types, Properties, Enzyme Action

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MCQ▾

Question

Which one of the following statements is true for the enzymes?

Choices

Choice (4) Response

a.

All proteins are enzymes.

b.

All enzymes are not proteins.

c.

All enzymes are vitamins.

d.

All enzymes are proteins.

Question number: 661

» Diversity in Living World » Five Kingdom Classification » Fungi

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MCQ▾

Question

In Mucor, asexual reproduction takes place by

Choices

Choice (4) Response

a.

zoogametes

b.

zygospores

c.

motile zoospores

d.

spores

Question number: 662

» Cell Structure and Function » Chemical Constituents of Living Cells » Enzymes - Types, Properties, Enzyme Action

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MCQ▾

Question

To explain the mechanism of enzymatic action, who proposed “Lock and key hypothesis”?

Choices

Choice (4) Response

a.

Fischer

b.

Sumner

c.

Koshland

d.

Jacob

Question number: 663

» Plant Physiology » Transport in Plants » Phloem Transport

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MCQ▾

Question

Which theory explained the translocation of long interval?

Choices

Choice (4) Response

a.

Transcelier streaming

b.

Pressure flow

c.

Cyclosis

d.

Protoplasmic streaming