NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 576 - 581 of 3511

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Question number: 576

» Diversity in Living World » Five Kingdom Classification » Protista

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MCQ▾

Question

Unlike other algae, diatoms do not readily decay due to

Choices

Choice (4)Response

a.

water proof cell wall

b.

siliceous wall

c.

mucilaginous wall

d.

non-living cells

Question number: 577

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

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Question

A hypothetical chemical involved in the flowering of plants is OR Chemical agent which has important role in the flowering is

Choices

Choice (4)Response

a.

Florigen

b.

Kinetin

c.

Indole acetic acid

d.

Gibberellin

Question number: 578

» Biotechnology and Its Applications » Genetic Engineering

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Question

DNA fingerprinting refers to

Choices

Choice (4)Response

a.

Techniques used for molecular analysis of different specimens of DNA.

b.

Molecular analysis of profiles of DNA samples.

c.

Analysis of DNA samples using imprinting devices.

d.

Techniques used for identification of fingerprints of individuals.

Question number: 579

» Ecology and Environment » Ecosystem » Nutrient Cycling

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MCQ▾

Question

Role of bacteria in carbon cycle is

Choices

Choice (4)Response

a.

Photosynthesis

b.

Breakdown of organic compounds

c.

Chemosynthesis

d.

Assimilation of nitrogen compounds

Question number: 580

» Diversity in Living World » Five Kingdom Classification » Plant Group - Bryophytes

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MCQ▾

Question

In Riccia / Marchantia, the rhizoids are

Choices

Choice (4)Response

a.

unbranched multicellular

b.

branched unicellular

c.

branched multicellular

d.

unbranched unicellular

Question number: 581

» Diversity in Living World » Five Kingdom Classification » Monera

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MCQ▾

Question

How many bacteria are produced in four hours if a bacterium divides once in half an hour?

Choices

Choice (4)Response

a.

16

b.

8

c.

256

d.

64

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