NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 442 - 446 of 1732

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Passage

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

Figure showing three substance

Figure Showing Three Substance

Question number: 442 (1 of 3 Based on Passage) Show Passage

» Physics » Heat

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MCQ▾

Question

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: 443 (2 of 3 Based on Passage) Show Passage

» Physics » Heat

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MCQ▾

Question

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: 444 (3 of 3 Based on Passage) Show Passage

» Physics » Heat

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Question

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: 445

» Mathematics » Rational Numbers

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MCQ▾

Question

Which of the following statements is correct?

Choices

Choice (4)Response

a.

0 is called the additive identity for rational number

b.

1 is called the multiplicative identity for rational number

c.

The additive inverse of 0 is zero itself

d.

All a. , b. and c. are correct

Question number: 446

» Physics » Heat

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MCQ▾

Question

Which of them is heterotroph?

Choices

Choice (4)Response

a.

Pitcher plant

Figure showing an example of Pitcher plant

Figure Showing an Example of Pitcher Plant

b.

Insectivorous plants

Figure showing an example of Insectivorous plants

Figure Showing an Example of Insectivorous Plants

c.

Parasitic plant

Figure showing an example of Parasitic plant

Figure Showing an Example of Parasitic Plant

d.

All a. , b. and c. are correct

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