NSO Level 1- Science Olympiad (SOF) Class 7: Questions 294 - 300 of 593

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Question number: 294

» Fibre to Fabric

Edit
MCQ▾

Question

Which of the following statements is incorrect?

Choices

Choice (4) Response

a.

The wool obtained from patanwadi breed of sheep is used for hosiery.

b.

Silk is the weakest of all natural fibres.

c.

Synthetic fibres are made from chemicals.

d.

Question does not provide sufficient data or is vague

Question number: 295

» Physical and Chemical Changes

Edit
MCQ▾

Question

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 number: 296

» Heat

Edit
MCQ▾

Question

Heat is the movement of which of the following?

Choices

Choice (4) Response

a.

Protons

b.

Neutrons

c.

Cells

d.

Molecules

Question number: 297

» Acids, Bases and Salts

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MCQ▾

Question

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 number: 298

» Heat

Edit
MCQ▾

Question

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 number: 299

» Physical and Chemical Changes

Edit
MCQ▾

Question

Physical changes are always ________.

Different states of matter

Different States of Matter

Different states of matter

Choices

Choice (4) Response

a.

Reversible.

b.

Temporary.

c.

Irreversible.

d.

Permanent.

Question number: 300

» Fibre to Fabric

Edit
MCQ▾

Question

Which described a fabric as following?

Image showing the fabric

Image Showing the Fabric

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

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