NSO Level 1- Science Olympiad (SOF) Class 8: Questions 998 - 1001 of 1175

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Question 998

Question

MCQ▾

Highly destructive earthquake may occur due to the seismic waves having intensity

Choices

Choice (4)Response

a.

More than 5

b.

More than 7

c.

Less than 7

d.

Less than 5

Question 999

Appeared in Year: 2012

Question

MCQ▾

Ramesh mixed some iron fillings with sulphur powder in a china dish. in another dish he mixed iron fillings, sulphur powder, and heated the mixture.

Image Shows the Heated the Mixture

Which of his observations is not correct?

Choices

Choice (4)Response

a.

In dish sulphur powder and iron fillings can be seen separately.

b.

In dish X sulphur powder and iron fillings can be seen separately.

c.

Dish X is shows a physical change while dish y shows a chemical change.

d.

The change which has taken place in dish Y is reversible.

Question 1000

Question

MCQ▾

Chromium is used in electroplating of water taps, car bumpers etc to

Choices

Choice (4)Response

a.

Give a bright and attractive appearance

b.

Prevent tear and wear

c.

Resist scratches

d.

All a., b. and c. are correct

Question 1001

Appeared in Year: 2012

Question

MCQ▾

The given figure shows different layer of a forest labelled as W, X, Y and Z. which layer is the habitat of many animal species like monkeys, orangutans, toucans and sloths as there is plenty of food available?

Image Shows the Habitat of Many Animal

Choices

Choice (4)Response

a.

Y

b.

X

c.

Z

d.

W

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