Subject :NSO Class : Class 7
Subject :NSO Class : Class 7
Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.
(i) In cockroaches, air enters the body through spiracles.
(ii) During heavy exercise, we get cramps in the legs due to accumulation of carbon dioxide.
(iii) Normal range of breathing rate per minute in an average adult person at rest is 12-18.
(iv) During exhalation, the ribs move upwards.
| (i) | (ii) | (iii) | (iv) | |
| A | F | T | F | T |
| B | T | T | F | T |
| C | T | F | T | F |
| D | T | T | T | F |
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 7
Answer should be option A as Statement 1 is correct. Statement 2 is also correct as jute bags are cheaper than plastic bags. Statement 2 is the correct explanation of Statement 1.
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5
Read the given statements and correct
them by replacing the italicised words with the correct option.
(i) Iris is the transparent layer that covers the front of the eye.
(ii) Inner ear is a thin membrane like structure that vibrates on receiving sound.
| (i) | (ii) | |
|---|---|---|
| A | Cornea | Eardrum |
| B | Pupil | Middle ear |
| C | Lens | Eardrum |
| D | Pupil | Outer ear |
I think the answer is A YOYOYO
