NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 436 - 442 of 3511

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Question number: 436

» Diversity in Living World » Five Kingdom Classification » Monera

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MCQ▾

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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MCQ▾

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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MCQ▾

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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MCQ▾

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

Question number: 440

» Genetics and Evolution » Heredity and Variation » Chromosomes and Genes

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MCQ▾

Question

Gene mutation is caused by

Choices

Choice (4) Response

a.

Linkage.

b.

Change in the sequence of nitrogenous base.

c.

Reproduction.

d.

Change in the sequence of genes in DNA.

Question number: 441

» Plant Physiology » Transport in Plants » Apoplast

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MCQ▾

Question

According to one vital force theory, ascent of sap is due to active pulsation of innermost layer of cortex. This theory was given by

Choices

Choice (4) Response

a.

J C Bose

b.

Dixon

c.

Sacks

d.

Strasburg

Question number: 442

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

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MCQ▾

Question

How many molecules of water are needed by a green plant to produce one molecule of hexose/reduce 6 molecules of CO2

Choices

Choice (4) Response

a.

12

b.

6

c.

24

d.

One only