Subject :NSO Class : Class 9
Subject :NSO Class : Class 9
Match column I with column II and choose the correct option from the codes given below.
| Column I | Column II |
| P. Hot tea poured in saucer gets cooled faster. | (i) Evaporation increases with increase in temperature. |
| Q. We feel more cold after a hot water bath than a cold water bath. | (ii) Evaporation increases with decrease in humidity. |
| R. Water is cool in earthen pitcher during dry hot day. | (iii) Evaporation increases with increase in wind speed. |
| S. We feel comfortable under a moving fan in summer. | (iv) Evaporation increases with increase in surface area. |
A P - (ii), Q - (i), R - (iii), S - (iv)
B P - (iii), Q - (iv), R - (ii), S - (i)
C P - (iv), Q - (i), R - (ii), S - (iii)
D P - (iv), Q - (ii), R - (iii), S - (i)
given answer is wrong.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 9
Select the incorrect differences between collenchyma and sclerenchyma.
| Collenchyma | Sclerenchyma | |
| (i) | It is made up of dead cells. | Its cells are living. |
| (ii) | Lumen or cell cavity is wide. | Lumen or cell cavity is usually narrow. |
| (iii) | It provides hardness to the region where it occurs. | It keeps the organ soft. |
| (iv) | Wall thickening is not uniform. | Wall thickening is uniform. |
| (v) | Pits are simple and straight. | Pits are simple, oblique and may be branched. |
A (i) and (iii) only
B (i), (iii) and (iv) only
C (ii), (iv) and (v) only
D (i) and (iv) only
I think correct answer is b. But SOF is saying it is c.
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Subject :NSO Class : Class 2
