NSO Level 1- Science Olympiad (SOF) Class 7: Questions 295 - 301 of 597

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Question 295

Question

MCQ▾

Which of the following is a chemical change?

Choices

Choice (4)Response

a.

Tearing of a paper

b.

Burning of a candle

c.

Melting of ice

d.

None of the above

Question 296

Question

MCQ▾

Heat is the movement of which of the following?

Choices

Choice (4)Response

a.

Protons

b.

Neutrons

c.

Cells

d.

Molecules

Question 297

Question

MCQ▾

Calamine is applied for ant bites because it contains which of the following?

Choices

Choice (4)Response

a.

CaCO3

b.

NaOH

c.

ZnCO3

d.

H2SO4

Question 298

Question

MCQ▾

Which of the following is the S. I. unit of temperature?

Choices

Choice (4)Response

a.

Fahrenheit

b.

Kelvin

c.

Celsius

d.

Question does not provide sufficient data or is vague

Question 299

Question

MCQ▾

Physical changes are always ________ .

Different States of Matter

Choices

Choice (4)Response

a.

Reversible.

b.

Temporary.

c.

Irreversible.

d.

Permanent.

Question 300

Question

MCQ▾

Which described a fabric as following?

Image Showing the Fabric
  • It absorbs moisture (hygroscopic fibre) .
  • Takes dyes deeply.
  • Obtain from Sheep.
  • Fibre is durable and flexible.

Choices

Choice (4)Response

a.

Wool

b.

Nylon

c.

Cotton

d.

Silk

Question 301

Question

MCQ▾

Select the correct option which is true about clinical thermometer and Laboratory thermometer.

Choices

Choice (4)Response

a.

Lab thermometer is used to measure body temperature.

b.

The temperature range in both the thermometer is same.

c.

Clinical thermometer is provided with a kink.

d.

Question does not provide sufficient data or is vague

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