NSO Level 1- Science Olympiad (SOF) Class 8: Questions 549 - 554 of 1076

Access detailed explanations (illustrated with images and videos) to 1076 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 549

» Combustion and Flame

Edit
MCQ▾

Question

Which of the following gas is a cause of acid rain?

Choices

Choice (4)Response

a.

Sulphur dioxide

b.

Nitric oxide

c.

Carbon dioxide

d.

Both a. and b. are correct

Question number: 550

» Combustion and Flame

Edit
MCQ▾

Question

In big cities, vehicles run on petrol and diesel are replaced by CNG vehicles. The reason is

Choices

Choice (4)Response

a.

CNG is a clean fuel

b.

It does not produce harmful gases on combustion

c.

Both a. and b. are correct

d.

None of the above

Question number: 551

» Reproduction in Animals

Edit
MCQ▾

Question

After repeated cell division, the zygote changes to a developed structure. This is known as

Choices

Choice (4)Response

a.

Embryo

b.

Foetus

c.

Gamete

d.

Question does not provide sufficient data or is vague

Question number: 552

» Combustion and Flame

Edit
MCQ▾

Question

The amount of heat generated on combustion of 1kg of a fuel is called its

Choices

Choice (4)Response

a.

Calorific value

b.

Latent heat

c.

Melting point

d.

None of the above

Question number: 553

» Reproduction in Animals

Edit
MCQ▾

Question

Find the odd one out from the given animals.

Choices

Choice (4)Response

a.

Platypus

b.

Viper

c.

Echidna

d.

Penguin

Question number: 554

» Combustion and Flame

Edit
MCQ▾

Question

Which of the following is used as an extinguisher when a fire is caused by electricity?

Choices

Choice (4)Response

a.

Water

b.

Carbon dioxide

c.

Oxygen

d.

None of the above

Developed by: