NCERT Class 7 Science-Heat[Transfer of Heat] [NCERT Based General Studies (GS)]: Questions 1 - 6 of 6

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Question 1

Question MCQ▾

Applications of conduction are:

Choices

Choice (4)Response

a.

Double layer blankets

AND

Refrigerators

b.

Woollen clothes

c.

Cooking utensils

d.

All a., c. and b. are correct

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Question 2

Question MCQ▾

Convection is:

Choices

Choice (4)Response

a.

Mode of transfer of heat in a fluid

b.

In convection the molecules themselves carry heat from hotter region to a colder region

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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Question 3

Question MCQ▾

Transfer of heat in solid objects generally takes place through:

Choices

Choice (4)Response

a.

Convection

b.

Conduction

c.

Radiation

d.

Question does not provide sufficient data or is vague

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Question 4

Question MCQ▾

The transfer of heat in absence of a medium is called as:

Choices

Choice (4)Response

a.

Radiations

b.

Convection

c.

Conduction

d.

Question does not provide sufficient data or is vague

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Question 5

Question MCQ▾

On which principle sea breeze and land breeze are formed:

Choices

Choice (4)Response

a.

Conduction

b.

Radiations

c.

Convection

d.

Question does not provide sufficient data or is vague

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Question 6

Question MCQ▾

Houses in older times had very high roofs with ventilators provided high up based on the principle of:

Choices

Choice (4)Response

a.

Radiations

b.

Conduction

c.

Convection

d.

Question does not provide sufficient data or is vague

Edit