NSO Level 1- Science Olympiad (SOF) Class 10: Questions 146 - 152 of 1497

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Question 146

Question MCQ▾

Mutation can happen because of:

Choices

Choice (4)Response

a.

Radiation

b.

Chemicals

c.

Both a. and b. are correct

d.

None of the above

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Question 147

Question MCQ▾

What is the current at point in the circuit shown below.

Two Resistors in Series

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 148

Question MCQ▾

The work done in moving a charge of from point of to another point of , is:

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 149

Question MCQ▾

If charge is passing through resistance in , then calculate the value of current passing through in following circuit.

Circuit Diagram of a Resistor

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 150

Question MCQ▾

Cucumber tendril exhibit which of the following plant movement?

Choices

Choice (4)Response

a.

Seismonasty

b.

Chemonasty

c.

Thigmonasty

d.

Thermonasty

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Question 151

Question MCQ▾

Which of the following part of nervous system controls involuntary actions?

Choices

Choice (4)Response

a.

Cerebellum

b.

Medulla oblongata

c.

Cerebrum

d.

None of the above

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Question 152

Question MCQ▾

What is evolution?

Choices

Choice (4)Response

a.

A process of gradual change occurring in successive generations

b.

The spontaneous change to the structure of genes or chromosome

c.

A discontinuous process rather than gradual one

d.

Both a. and c. are correct

Edit