NSO Level 1- Science Olympiad (SOF) Class 7: Questions 256 - 261 of 593

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Question number: 256

» Fibre to Fabric

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MCQ▾

Question

Lohi breed of sheep found in southern Punjab produces which of the following quality of wool?

Lohi breed of sheep

Lohi Breed of Sheep

Lohi breed of sheep

Choices

Choice (4) Response

a.

For Carpet

b.

Coarse wool

c.

For woolen shawl.

d.

Brown fleece

Question number: 257

» Fibre to Fabric

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MCQ▾

Question

Sorter’s disease is associated with which organ?

Choices

Choice (4) Response

a.

Intestine.

b.

Lung

c.

Kidney

d.

Eyes

Question number: 258

» Heat

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MCQ▾

Question

Which statement describes the motion and arrangement of the molecules in a liquid?

Choices

Choice (4) Response

a.

Molecules move freely with no regular arrangement.

b.

Molecules vibrate about a fixed position with a random order.

c.

Molecules vibrate at a fixed position within an ordered arrangement.

d.

Molecules move freely within a fixed arrangement.

Question number: 259

» Acids, Bases and Salts

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MCQ▾

Question

Litmus is extracted from which of the following?

Choices

Choice (4) Response

a.

Vanilla

b.

Beet root

c.

Lichen

d.

China rose

Question number: 260

» Physical and Chemical Changes

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MCQ▾

Question

Changes in the physical properties of a substance are called.

Choices

Choice (4) Response

a.

Chemical changes.

b.

No change.

c.

Biological Changes.

d.

Physical changes.

Question number: 261

» Heat

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MCQ▾

Question

In the given image pan has boiling water. This is example of which of the following?

Image of the boiling water in a pot

Image of the Boiling Water in a Pot

Image of the boiling water in a pot

Choices

Choice (4) Response

a.

Conduction of heat from pan to water.

b.

Convection of heat within water.

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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