NSO Level 1- Science Olympiad (SOF) Class 7: Questions 253 - 258 of 699

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Question 253

Question MCQ▾

Which of the following colour absorbs the heat best?

Choices

Choice (4)Response

a.

Black

b.

White

c.

Orange.

d.

Blue

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Question 254

Question MCQ▾

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

Image Shows the pH Scale

Choices

Choice (4)Response

a.

Base

b.

Acid

c.

Neutral

d.

Salt

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Question 255

Question MCQ▾

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

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Question 256

Question MCQ▾

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

Lohi Breed of Sheep

Choices

Choice (4)Response

a.

For Carpet

b.

Coarse wool

c.

For woolen shawl.

d.

Brown fleece

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Question 257

Question MCQ▾

Sorter՚s disease is associated with which organ?

Choices

Choice (4)Response

a.

Intestine.

b.

Lung

c.

Kidney

d.

Eyes

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Question 258

Question MCQ▾

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.

Edit