NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 175 - 181 of 3511

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Question number: 175

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

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MCQ▾

Question

The effect of different hormones on the body can be best said to bring about

Choices

Choice (4) Response

a.

Stimulation of organs.

b.

Release of inherent capacities.

c.

Co-ordination of functions

d.

Proper growth

Question number: 176

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

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MCQ▾

Question

If decomposers are removed what will happen to ecosystem?

Choices

Choice (4) Response

a.

Energy cycle is stopped.

b.

Rate of decomposition of mineral increases.

c.

Mineral cycle is stopped.

d.

Consumers cannot absorb solar energy.

Question number: 177

» Genetics and Evolution » Molecular Basis of Inheritance » Lac Operon

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MCQ▾

Question

In the lac operon, the structural genes are switched off when

Choices

Choice (4) Response

a.

Repressor binds to regulator

b.

Repressor binds to operator.

c.

Repressor binds to promotor.

d.

Repressor binds to inducer.

Question number: 178

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

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MCQ▾

Question

After fertilization, the seed coats of seed develop from

Choices

Choice (4) Response

a.

integuments

b.

embryo sac

c.

ovule

d.

chalaza

Question number: 179

» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways

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Question

In succulent xerophytes, there is accumulation of malic acid in night, this path of CO2 metabolism is called

Choices

Choice (4) Response

a.

Hatch and slack cycle

b.

beta carboxylation

c.

Calvin cycle

d.

Crassulacean acid metabolism

Question number: 180

» Diversity in Living World » Five Kingdom Classification » Protista

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MCQ▾

Question

In which of the following binary fission is not seen?

Choices

Choice (4) Response

a.

Amoeba

b.

Paramecium

c.

Plasmodium

d.

Euglena

Question number: 181

» Human Physiology » Locomotion » Locomotion and Movement

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MCQ▾

Question

A…. . Muscle rotates the forearm to turn the palm downwards.

Choices

Choice (4) Response

a.

Pronator

b.

Supinator

c.

Adductor

d.

Abductor