NSO Level 1- Science Olympiad (SOF) Class 8: Questions 998 - 1001 of 1076

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Question number: 998

» Some Natural Phenomena

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MCQ▾

Question

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 number: 999

» Metals and Non-Metals

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Appeared in Year: 2012

MCQ▾

Question

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

Image Shows the 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 number: 1000

» Chemical Effects of Electric Current

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MCQ▾

Question

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 number: 1001

» Conservation of Plants and Animals

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Appeared in Year: 2012

MCQ▾

Question

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

Image Shows the Habitat of Many Animal

Image shows The Habitat of many animal

Choices

Choice (4) Response

a.

Y

b.

X

c.

Z

d.

W

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