NSO Level 1- Science Olympiad (SOF) Class 10: Questions 354 - 357 of 986
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Question number: 354
Question
Mark the wrong statement.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Carbon dioxide reacts with alkalis to give carbonates and bicarbonates |
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| b. | Carbon dioxide is a linear covalent molecule |
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| c. | Carbon dioxide is an basic oxide |
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| d. | None of the above |
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Question number: 355
» Human Eye and Colourful World
Question
Choose the correct option?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Red- longest wavelength |
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| b. | Violate-smallest wavelength |
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| c. | Angle of derivation wavelength |
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| d. | All a. , b. and c. are correct |
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Question number: 356
Question
Two electrical bulb, one of volt Watt and the other are connected in a house wiring circuit
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Resistance of the filament in 60W bulb is more than 40W |
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| b. | Resistance of the filament in both the bulbs is same |
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| c. | They have equal current flowing through them |
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| d. | Resistance of the filament in 40W bulb is more than 60W |
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Question number: 357
» Human Eye and Colourful World
Question
Match the column I and column II and the select the correct option from the coded given below:
| List-Ⅰ (Column I) | List-Ⅱ (Column II) |
|---|---|
| (A) Iris | (i) Thin membrane which provides of the eye’s focusing power |
| (B) Pupil | (ii) Controls light level similar to the aperture of a camera |
| (C) Cornea | (iii) Protects the outer coat |
| (D) Sclera | (iv) Opens and closes in order to regulate and control the amount of light |
Choices
| Choice (4) | Response | |
|---|---|---|
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| a. |
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| b. |
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| c. |
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| d. |
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