NSO Level 1- Science Olympiad (SOF) Class 9: Questions 250 - 256 of 1123

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Question number: 250

» Biology » Natural Resources

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MCQ▾

Question

Disadvantages of in-situ conservation are

Choices

Choice (4) Response

a.

Difficult to control predators

b.

Genetic drift

c.

Chances of increased inbreeding

d.

All a. , b. and c. are correct

Question number: 251

» Biology » Improvement in Food Resources

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MCQ▾

Question

Which of the following is used to grow the callus?

Choices

Choice (4) Response

a.

Polyacrylamide gel

b.

Agarose gel

c.

Agar-agar gel

d.

Silica gel

Question number: 252

» Biology » Improvement in Food Resources

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MCQ▾

Question

Restriction endonucleases cut the DNA at

Choices

Choice (4) Response

a.

in the middle

b.

restriction site

c.

3’-end

d.

5’-end

Question number: 253

» Biology » Improvement in Food Resources

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MCQ▾

Question

Streptococcus is used in the production of

Choices

Choice (4) Response

a.

Alcohol

b.

Cheese

c.

Milk

d.

Bread

Question number: 254

» Biology » Natural Resources

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MCQ▾

Question

Disadvantages of atomic energy are

Choices

Choice (4) Response

a.

Requires knowledgeable, trained and skilled person

b.

Not at all cost effective

c.

Spillage may cause health issues for many years as it is radioactive

d.

All a. , b. and c. are correct

Question number: 255

» Biology » Improvement in Food Resources

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MCQ▾

Question

Abiotic stress includes stress due to

Choices

Choice (4) Response

a.

Draught

b.

Cold

c.

Salt

d.

All a. , b. and c. are correct

Question number: 256

» Biology » Improvement in Food Resources

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MCQ▾

Question

Biofortification is

Choices

Choice (4) Response

a.

Increasing nutritional quality of plants

b.

Makings of forts using biological things

c.

Can be achieved through conventional breeding only not by genetic engineering

d.

All of the above

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