NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1554 - 1561 of 1732
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Question number: 1554
» Chemistry » Water and Conservation
Question
What is produced when hydrogen is burnt in the air?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Oxygen |
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| b. | Nitrogen |
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| c. | Carbon dioxide |
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| d. | Water |
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Question number: 1555
» Physics » Electric Current and Effects
Question
A voltmeter:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Measure electric current and voltage in an electric circuit. |
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| b. | Measure potential difference and voltage in an electric circuit. |
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| c. | Measure the current in an electric circuit. |
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| d. | None of the above |
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Question number: 1556
» Biology » Reproduction and Growth in Plants
Question
The cell formed just after fertilization is known as:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Embryo |
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| b. | Zygote |
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| c. | Stigma |
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| d. | None of the above |
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Question number: 1557
» Physics » Air Pressure, Winds, and Weather
Question
Fast moving air towards a center usually with heavy rain is known as:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Monsoons |
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| b. | Cyclone |
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| c. | Thunderstorm |
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| d. | Sea breeze |
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Question number: 1558
» Physics » Electric Current and Effects
Question
Which of the following is used as a filament in the bulb?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Neon |
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| b. | Mercury |
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| c. | Helium |
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| d. | Tungsten |
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Question number: 1559
» Chemistry » Water and Conservation
Question
Which of the following is used to kill germs in water?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Alcohol |
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| b. | Common salt |
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| c. | Hydrochloric acid |
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| d. | Chlorine |
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Question number: 1560
» Physics » Electric Current and Effects
Question
What energy conversion takes place in electric bell?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Light energy to electric energy |
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| b. | Electric energy to sound energy |
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| c. | Electric energy to light energy |
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| d. | Sound energy to electric energy |
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Question number: 1561
» Physics » Air Pressure, Winds, and Weather
Question
Air expands on:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Freezing |
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| b. | Heating |
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| c. | Cooling |
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| d. | Question does not provide sufficient data or is vague |
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