General Science-Rocks and Minerals [NSTSE (National Science Talent Search Exam- Unified Council) Class 2]: Questions 45 - 51 of 81

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Question 45

Question MCQ▾

Which of the following minerals are cut in various shapes and polished?

Choices

Choice (4)Response

a.

Gypsum

b.

Marble

c.

Gemstones

d.

Graphite

Edit

Question 46

Question MCQ▾

Which of the following is NOT formed by the breakdown of rocks?

Choices

Choice (4)Response

a.

Pebbles

b.

Humus

c.

Stones

d.

Soil

Edit

Question 47

Question MCQ▾

Pebbles are:

Choices

Choice (4)Response

a.

A kind of mineral

b.

A kind of rock

c.

A kind of soil

d.

All of the above

Edit

Question 48

Question MCQ▾

Which of the following rocks is used for the foundation of buildings?

Choices

Choice (4)Response

a.

Graphite

b.

Slate

c.

Sandstone

d.

Granite

Edit

Question 49

Question MCQ▾

Which of the following rocks is mostly used as tiles on roofs?

Choices

Choice (4)Response

a.

Coal

b.

Granite

c.

Chalk

d.

Slate

Edit

Question 50

Question MCQ▾

Water and wind can break rock into small pieces. What happens to these small pieces when they break away?

Choices

Choice (4)Response

a.

They turn into earthworms

b.

They become part of the soil

c.

They become food for animals

d.

Plants use them for energy

Edit

Question 51

Question MCQ▾

Which of the following pairs is correct?

Choices

Choice (4)Response

a.

Pencil lead – silica

b.

Pencil lead – China clay

c.

Talcum powder – talc

d.

Mirror – graphite

Edit