NSO Level 1- Science Olympiad (SOF) Class 7: Questions 253 - 258 of 597

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Question number: 253

» Heat

Edit
MCQ▾

Question

Which of the following colour absorbs the heat best?

Choices

Choice (4)Response

a.

Black

b.

White

c.

Orange.

d.

Blue

Question number: 254

» Acids, Bases and Salts

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MCQ▾

Question

If a solution has pH of about 7, which of the following categories does fall in?

Image shows the pH scale

Image Shows the pH Scale

Choices

Choice (4)Response

a.

Base

b.

Acid

c.

Neutral

d.

Salt

Question number: 255

» Fibre to Fabric

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MCQ▾

Question

The following factors determine the quality of which fibre?

  1. Thickness

  2. Strength

  3. Length

  4. Shine

  5. Colour

Choices

Choice (4)Response

a.

Silk

b.

Cotton

c.

Nylon

d.

Wool

Question number: 256

» Fibre to Fabric

Edit
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

Choices

Choice (4)Response

a.

For Carpet

b.

Coarse wool

c.

For woolen shawl.

d.

Brown fleece

Question number: 257

» Fibre to Fabric

Edit
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

Edit
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.

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