NSO Level 1- Science Olympiad (SOF) Class 9: Questions 358 - 361 of 1123
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Question number: 358
Question
The severity of disease manifestations depend on
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | The size of the body. |
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| b. | The number of microbes in the body. |
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| c. | The number of cells in the body. |
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| d. | The actual weight of the body. |
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Question number: 359
» Chemistry » Atoms & Molecules
Question
Which of the statement is incorrect?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | A molecule is always made up of similar type of atoms. |
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| b. | Ions are electrically charged particles. |
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| c. | An atom is electrically neutral. |
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| d. | A molecule is the smallest part of a compound. |
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Question number: 360
Question
Read the information carefully, and then use it to answer the question that follows:
I. Amit, Rajani, Subh, Akash and Kiran all collect stamps.
II. Amit has twice as many as Rajani.
III. Akash and Kiran have the same number.
IV. Subh has fewer than Akash.
V. Rajani has half as many as Subh.
If the above statements are true, only one the sentences below must be true. Which one is true?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Akash and Kiran have same number of stamps. |
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| b. | Rajani has more stamps than Akash. |
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| c. | Amit has as many stamps as Rajani. |
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| d. | Amit has fewer stamps than Akash. |
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Question number: 361
» Chemistry » The Nature of Matter
Question
The principle behind centrifugation is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | The less soluble particles settle at the bottom and the more soluble particles stay at the top |
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| b. | The lighter particles settle at the bottom and the denser particles stay at the top |
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| c. | The more soluble particles settle at the bottom and the less soluble particles stay at the top |
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| d. | The denser particles settle at the bottom and the lighter particles stay at the top |
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