NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 434 - 439 of 3511

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Question number: 434

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

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Question

Leaf fall occurs on abscission layer is formed when the content of

Choices

Choice (4)Response

a.

Auxin decreases

b.

Gibberellic acid decreases.

c.

Auxin increases

d.

Abscisic acid decreases

Question number: 435

» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways

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Question

When a molecule of pyruvic acid subjected to anaerobic oxidation and forms lactic acid, there is

Choices

Choice (4)Response

a.

Gain of 2 ATP molecules.

b.

Gain of 4 ATP molecules.

c.

Loss of 6 ATP molecules.

d.

Loss of 3 ATP molecules.

Question number: 436

» Diversity in Living World » Five Kingdom Classification » Monera

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Question

What is incorrect for mycoplasma?

Choices

Choice (4)Response

a.

They are obligate intracellular parasites.

b.

It shows osmotic response.

c.

It shows absence of cell wall.

d.

They are sensitive to modern antibiotics.

Question number: 437

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

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Question

What is hormone?

Choices

Choice (4)Response

a.

Organic complex substance

b.

Chemical messenger

c.

Enzyme

d.

Glandular secretion

Question number: 438

» Biotechnology and Its Applications » Principles and Process of Biotechnology

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Question

Haploid from anther culture were first obtained in

Choices

Choice (4)Response

a.

Datura

b.

Brassica

c.

Nicotiana

d.

Gossypium

Question number: 439

» Biotechnology and Its Applications » Principles and Process of Biotechnology

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Question

A plant cell has potential to develop into full plant. This property of the plant cell is called

Choices

Choice (4)Response

a.

Totipotency

b.

Gene cloning

c.

Pleuripotency

d.

Tissue culture

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