NSO Level 1- Science Olympiad (SOF) Class 10: Questions 691 - 695 of 1497

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Question 691

Question MCQ▾

Which is not correct for covalent compounds?

Choices

Choice (4)Response

a.

These compounds are molecular in nature

b.

These compounds are poor conductor of electricity

c.

These are insoluble in water and soluble in benzene, kerosene and petrol etc.

d.

None of the above

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Question 692

Question Matching-Pair▾

Find matching pair:

Choices

Choice (4)Response

a.

Shoe flower

Hibiscus rosasinensis

b.

Brinjal

Ricinus communis

c.

Tomato

Lxcopersican esculentumz

d.

Both a. and c. are correct

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Question 693

Question MCQ▾

Obtaining new plants from the parts (such as stems, roots and leaves) of an old plant, without any type of involvement of sex organs is called

Choices

Choice (4)Response

a.

Fertilization

b.

Vegetative reproduction

c.

Puberty

d.

Pollination

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Question 694

Question MCQ▾

An ovule consists of a megasporangium surrounded by one or two layers of tissue called

Choices

Choice (4)Response

a.

Megasporangium

b.

Integuments

c.

Ovule

d.

None of the above

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Question 695

Question MCQ▾

Read the given statements and mark the correct option

Statement 1: Electrical power is the total work done in maintaining an electrical current in an electric circuit for given time

Statement 2: Electrical energy is the rate at which electrical energy is consumed by an appliance

Choices

Choice (4)Response

a.

Statements 1 and 2 are incorrect

b.

Statements 1 and 2 are correct

c.

Only statement 2 is correct

d.

Only statement 1 is correct

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