NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1613 - 1618 of 2028
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Question number: 1613
» Physics » Force and Pressure
Question
School bags are provided with wide straps to carry them to reduce:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Pressure on shoulders |
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| b. | Gravitational force |
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| c. | Thrust |
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| d. | None of the above |
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Question number: 1614
» Biology » Reaching the Age of Adolescence
Question
The hormones secreted by the pineal gland are:
I. Melatonin
II. Hormones which help control circadian rhythm
III. Hormone which helps to set biological clock
Which statement (s) is/are correct?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | II only |
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| b. | I and II only |
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| c. | I, II and III only |
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| d. | I and III only |
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Question number: 1615
» Physics » Force and Pressure
Question
In figure a cuboid of mass is placed on a surface in three different position.
A Cuboid Placed in Three Different Positions
In figure a cuboid is placed in three different position is shown.
In which position, pressure exerted by the cuboid on the surface is maximum?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Position (2) |
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| b. | Position (3) |
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| c. | In all cases pressure remains same. |
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| d. | Position (1) |
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Question number: 1616
» Physics » Force and Pressure
Question
If a body moves in a straight line with constant speed, which of the following force is acted on it?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Magnetic force |
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| b. | Gravitational force |
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| c. | No force acts on body |
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| d. | Friction force |
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Question number: 1617
» Biology » Reaching the Age of Adolescence
Question
Blood is consisting of:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Platelets |
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| b. | RBC (red blood cells) |
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| c. | Plasma |
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| d. | All a. , b. and c. are correct |
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