Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 19 - 24 of 191

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Passage

Answer the following questions with respect to the figure shown below:

Figure showing three substance

Figure Showing Three Substance

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Question number: 19 (1 of 3 Based on Passage) Show Passage

Physics
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Question

MCQ▾

Reena was making tea in the kitchen, she noticed that after a while, vapors started coming from the pan. What conversion possibly was happened?

Choices

Choice (4)Response

a.

Substance A → Substance B

b.

Substance B → Substance C

c.

Substance C → Substance B

d.

Substance A → Substance C

Question number: 20 (2 of 3 Based on Passage) Show Passage

Physics
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Question

MCQ▾

When condensation process is carried out, what conversion would take place?

Choices

Choice (4)Response

a.

Substance C → Substance B

b.

Substance B → Substance C

c.

Substance A → Substance B

d.

Substance A → Substance C

Question number: 21 (3 of 3 Based on Passage) Show Passage

Physics
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Question

MCQ▾

Substance B is converted to substance A. Which process is being carried out?

Choices

Choice (4)Response

a.

Freezing

b.

Sublimation

c.

Condensation

d.

Boiling

Question number: 22

Physics
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Question

MCQ▾

Which of them is heterotroph?

Choices

Choice (4)Response

a.

Pitcher plant

Figure showing an example of Pitcher plant
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b.

Insectivorous plants

Figure showing an example of Insectivorous plants
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c.

Parasitic plant

Figure showing an example of Parasitic plant
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d.

All a. , b. and c. are correct

Question number: 23

Physics
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Question

MCQ▾

is the average body temperature of?

Choices

Choice (4)Response

a.

Tortoise

Figure showing a tortoise
Loading Image

b.

Humans

Figure showing human beings
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c.

Cats

Figure showing a cat
Loading Image

d.

Dogs

Figure showing a dog
Loading Image

Question number: 24

Edit

Question

MCQ▾

A train covers some distance in 6 hr. at a speed of 120 km/hr. At what speed the train should travel to cover the same distance in half the time taken.

Choices

Choice (4)Response

a.

Half the initial speed

b.

Half the distance

c.

Double the distance

d.

Double the initial speed