Question
What would happen if forests disappear?
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Column I
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Column II
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$(a)$
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Years
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$(i)$
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Rotation period of the earth on its axis.
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$(b)$
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Hour
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$(ii)$
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Time to complete 100m race.
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$(c)$
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Minute
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$(iii)$
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Gestation period in humans.
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$(d)$
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Days
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$(iv)$
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Age of a person.
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$(e)$
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Second
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$(v)$
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In scientific research.
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$(f)$
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Month
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$(vi)$
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Time to reach your school.
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$(g)$
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Microseconds
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$(vii)$
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Train reaches from one city to other.
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| Column I | Column II | ||
| $(a)$ | A plane mirror. | $(i)$ | Used as a magnifying glass. |
| $(b)$ | A convex mirror. | $(ii)$ | Can form image of objects spread over a large area. |
| $(c)$ | A convex lens. | $(iii)$ | Used by dentists to see enlarged image of teeth |
| $(d)$ | A concave mirror. | $(iv)$ | The image is always inverted and magnified. |
| $(e)$ | A concave lens. | $(v)$ | The image is erect and of the same size as the object. |
| $(vi)$ | The image is erect and smaller in size than the object. |
| Column I | Column II | ||
| $(a)$ | Rectum | $(i)$ | Mucous |
| $(b)$ | Gell bladder | $(ii)$ | Villi |
| $(c)$ | Stomach | $(iii)$ | Taste buds |
| $(d)$ | Tongue | $(iv)$ | Faeces |
| $(e)$ | Small intestine | $(v)$ | Bile juice |