NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 839 - 846 of 3511

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Question number: 839

» Biotechnology and Its Applications » Genetic Engineering

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MCQ▾

Question

Who among the following discovered the restriction endonuclease?

Choices

Choice (4) Response

a.

Andre Lwoff

b.

Hamilton Othanel Smith

c.

F. Jacob

d.

None of the above

Question number: 840

» Ecology and Environment » Ecosystem » Ecological Succession

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MCQ▾

Question

Which one is the main source of minerals essential for man and other organisms?

Choices

Choice (4) Response

a.

Stratosphere

b.

Ionosphere

c.

Lithosphere

d.

Mesosphere

Question number: 841

» Reproduction » Reproduction in Organisms » Vegetative Propagation in Plants

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MCQ▾

Question

Which type of propagation is better for the plant?

Choices

Choice (4) Response

a.

By rhizome

b.

By bulbs

c.

By seeds

d.

By tubers

Question number: 842

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

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MCQ▾

Question

Heterospory is production of

Choices

Choice (4) Response

a.

Diploid and tetraploid spores.

b.

Sexual and asexual spores.

c.

Haploid and diploid spores.

d.

Large and small spores.

Question number: 843

» Ecology and Environment » Ecosystem » Ecological Services-Carbon Fixation, Pollination, Oxygen Release

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MCQ▾

Question

The phosphorus cycle differs from those of carbon and nitrogen as well as those of sulphur, oxygen and hydrogen in that it lacks

Choices

Choice (4) Response

a.

Sater

b.

Dust particles

c.

Gaseous phase

d.

All of these

Question number: 844

» Genetics and Evolution » Evolution » Human Evolution

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MCQ▾

Question

Which of the following is not X-linked recessive?

Choices

Choice (4) Response

a.

Haemophilia- A

b.

Colour blindness

c.

G-6 PD deficiency

d.

b -Thalassemia

Question number: 845

» Human Physiology » Digestion and Absorption » Role of Digestive Enzymes and Gastrointestinal Hormones

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MCQ▾

Question

Salivary amylase is stimulated by

Choices

Choice (4) Response

a.

K+

b.

HCO3

c.

N+

d.

C1-

Question number: 846

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

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MCQ▾

Question

Maximum utilization of the techniques of biotechnology has been made in the field of

Choices

Choice (4) Response

a.

Biogas production

b.

Industries

c.

Medicines

d.

Agriculture