NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1864 - 1869 of 2000

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Question number: 1864

» Biology » Improvement in Food Resources

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Question

Steps in Genetic engineering include

Choices

Choice (4)Response

a.

Fusion with bacterial plasmid and introducing into bacteria

b.

Selection and extraction of desired gene

c.

Selection of transformed bacteria and its culture

d.

All a. , b. and c. are correct

Question number: 1865

» Biology » Improvement in Food Resources

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MCQ▾

Question

Which of the following is method of sterilization?

Choices

Choice (4)Response

a.

Autoclave

b.

Centrifugation

c.

PCR

d.

Electrophoresis

Question number: 1866

» Biology » Improvement in Food Resources

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Question

Organic matter is important as

Choices

Choice (4)Response

a.

it increases fertility of soil

b.

it provides texture to soil

c.

increases water holding capacity

d.

All a. , b. and c. are correct

Question number: 1867

» Biology » Improvement in Food Resources

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Question

Which of the following is associated with chlorophyll?

Choices

Choice (4)Response

a.

Mg

b.

Ca

c.

Fe

d.

Na

Question number: 1868

» Biology » Improvement in Food Resources

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Vermicomposting is

Choices

Choice (4)Response

a.

Preparation of compost using bacteria

b.

Preparation of compost using fungi

c.

Preparation of compost using Honey bee

d.

Preparation of compost using earthworms

Question number: 1869

» Biology » Improvement in Food Resources

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Question

What are the impacts of global warming and climate disruption on agriculture?

Choices

Choice (4)Response

a.

Adverse human health causing less manpower

b.

Desertification

c.

Impaired photosynthesis

d.

All a. , b. and c. are correct

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