NSO Level 1- Science Olympiad (SOF) Class 8: Questions 565 - 570 of 1175

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Passage

Deep took three pieces of clothes. He dipped one piece in petrol, another in water and left the third piece dry. Observe the pictures and answer the questions

Three Pieces of Clothes

Question 565 (5 of 5 Based on Passage)

Question

MCQ▾

Substances which catch fire easily are called

Choices

Choice (4)Response

a.

Non combustible

b.

Inflammable

c.

Combustible

d.

Question does not provide sufficient data or is vague

Question 566

Question

MCQ▾

A sudden reaction with the evolution of heat, light and sound is called

Choices

Choice (4)Response

a.

Spontaneous combustion

b.

Rapid combustion

c.

Explosion

d.

Natural combustion

Question 567

Question

MCQ▾

Metals are generally heavy in nature but this is a light metal.

Choices

Choice (4)Response

a.

Sodium

b.

Magnesium

c.

Potassium

d.

All a., b. and c. are correct

Question 568

Question

MCQ▾

This fuel has the highest calorific value

Choices

Choice (4)Response

a.

Kerosene

b.

Diesel

c.

Biogas

d.

Petrol

Question 569

Question

MCQ▾

Generally two parents are involved in the process of reproduction in animal kingdom. Rarely in some cases, only is a single parent involved. Pick out the examples of single parent reproduction from the given list.

Choices

Choice (4)Response

a.

Budding

b.

Binary fission

c.

Cloning

d.

Both a. and b. are correct

Question 570

Question

MCQ▾

Nowadays galvanised sheets are used to make roofs, food cans etc. instead of tin sheets. The reason is

Choices

Choice (4)Response

a.

Galvanized sheets are lustrous

b.

They can prevent rusting

c.

None of the above

d.

All of the above

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