NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 684 - 689 of 3511

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Question number: 684

» Diversity in Living World » Five Kingdom Classification » Monera

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Question

Bacterial cell divides in every minute and takes one hour to fill up a cup. How much time will be taken to fill half the cup?

Choices

Choice (4) Response

a.

59 minutes

b.

29 minutes

c.

60 minutes

d.

30 minutes

Question number: 685

» Biotechnology and Its Applications » Application of Biotechnology in Health and Agriculture

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Question

Plants can be disease resistant by

Choices

Choice (4) Response

a.

Breeding with their wild relatives

b.

Hormone treatment

c.

Heat treatment

d.

Colchicines treatment

Question number: 686

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Endosperm and Embryo

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Question

Which of the following workers are related as ecologist, palaeobotanist and embryologist?

Choices

Choice (4) Response

a.

R. Mishra, B. Sahni, P. Maheshwari

b.

P. Maheshwari, R. Mishra, B. Sahni

c.

B. Sahni, R. Mishra, P. Maheshwari

d.

B. Sahni, P, Maheshwari, R, Mishra

Question number: 687

» Reproduction » Reproduction in Organisms » Vegetative Propagation in Plants

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Question

New Banana plants develop from

Choices

Choice (4) Response

a.

Rhizome

b.

Seed

c.

Sucker

d.

Stolon

Question number: 688

» Ecology and Environment » Environmental Issues » Air Pollution and Its Control

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Question

Lichens are important in the studies on atmospheric pollution because they

Choices

Choice (4) Response

a.

Can grow in polluted atmosphere.

b.

Can readily multiply in polluted atmosphere.

c.

Efficiently purify the amtmosphere.

d.

Are very sensitive to pollutants like sulphur dioxide.

Question number: 689

» Ecology and Environment » Ecosystem » Patterns, Components

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Question

When one organism is benefited without affecting the others it is called as

Choices

Choice (4) Response

a.

Commensalisms

b.

Parasitism

c.

Saprophytism

d.

Symbiosis