NSO Level 1- Science Olympiad (SOF) Class 10: Questions 473 - 477 of 986
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Question number: 473
» Human Eye and Colourful World
Question
Read the given statements and mark the correct option
Statement 1: The change in the focal length of human eye is caused due to Ciliary muscles
Statement 2: The image formed by retina of human eye is Virtual and erect
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Only statement 1 is correct |
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| b. | Statement 1 and 2 is correct |
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| c. | Statement 1 and 2 is incorrect |
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| d. | Only statement 2 is correct |
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Question number: 474
Question
The stage at which there is a gradual change in structure of reproductive organs in human male and female is called
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Puberty |
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| b. | Spermatogenesis |
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| c. | Oogenesis |
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| d. | Menarche |
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Question number: 475
Question
Filament of an electric bulb is made up of tungsten metal because of
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Low melting point |
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| b. | Low resistivity |
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| c. | Burn even at higher temperature |
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| d. | All of the above |
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Question number: 476
Question
Syphilis is a sexually transmitted infection caused by the bacteria
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Francis Ella tularensis |
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| b. | Treponema palladium |
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| c. | Bacillus anthracis |
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| d. | Mycobacterium leprae |
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Question number: 477
» 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 (Parts Of The Human Eye) | List-Ⅱ (Function) |
|---|---|
| (A) Vitreous humour | (i) Provides the eye its form and shape |
| (B) Conjunctiva | (ii) Covers the outer surface (visible part) of the eye |
| (C) Aqueous humour | (iii) Provides power to the cornea |
| (D) Crystalline lens | (iv) Helps to focus light into the retina |
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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