NSO Level 1- Science Olympiad (SOF) Class 9: Questions 1170 - 1174 of 2138

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Question 1170

Question MCQ▾

Find out incorrect sentence

Choices

Choice (4)Response

a.

Parenchymatous tissues have intercellular spaces.

b.

Collenchymatous tissues are irregularly thickened at corners.

c.

Apical and intercalary meristems are permanent tissues.

d.

Meristematic tissues, in its early stage, lack vacuoles.

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Question 1171

Question MCQ▾

Simplify

Choices

Choice (4)Response

a.

0

b.

1

c.

d.

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Question 1172

Question MCQ▾

Which of these animal husbandries need low investment?

Choices

Choice (4)Response

a.

Fish farming

b.

Poultry farming

c.

Cattle farming

d.

Bee-keeping

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Question 1173

Question MCQ▾

Which of the following statements is true about isotopes?

Choices

Choice (4)Response

a.

Chemical properties of isotopes of an element are similar but their physical properties are different.

b.

Many elements consists of a mixture of isotopes

c.

Atomic number of isotopes is same but mass numbers are different

d.

All a., b. and c. are correct

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Question 1174

Question MCQ▾

Weeds affect the crops plants by

Choices

Choice (4)Response

a.

Killing of plants in field before they grow

b.

Competing for various resources of crops causing low availability of nutrients

c.

Dominating the plants to grow

d.

All a., b. and c. are correct

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