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Ans 4:
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Read the following statements and select
the correct option that identifies each
statement as true (T) or false (F) ones.
(i) Forests help to regulate the water
cycle and bring rainfall.
(ii) Tribals worship trees as a form of
God.
(iii) The Bo tribe, which lived on the
Andaman islands, is now extinct.
(iv) Deforestation leads to decrease
in carbon dioxide level in the
atmosphere.
| (i) | (ii) | (iii) | (iv) | |
|---|---|---|---|---|
| A | T | T | T | F |
| B | T | F | T | F |
| C | T | T | F | F |
| D | F | T | F | T |
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Consider the following statements and select the option which correctly identifies
true (T) and false (F) ones.
(i) Kharif crops are grown in the winter
season between October and March.
(ii) Drip irrigation is very useful for areas
having a shortage of water.
(iii) Manures are mineral specific as they
provide all the minerals needed by plant.
(iv) Broadcasting of seeds is done by
seed drill.
| (i) | (ii) | (iii) | (iv) | |
|---|---|---|---|---|
| A | T | F | F | F |
| B | F | T | F | F |
| C | T | T | F | F |
| D | F | T | F | T |
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Observe the following unit conversions and
select the option which correctly identifies
them as true (T) or false (F) ones.
(i) 1 km = 109 μm
(ii) 1 cm = 103 mm
(iii) 1 mg = 103 μg
(iv) 1 kg = 106 mg
| (i) | (ii) | (iii) | (iv) | |
|---|---|---|---|---|
| A | F | F | F | T |
| B | T | F | T | T |
| C | T | T | F | F |
| D | F | T | T | F |
there is a mistake in this quetion there should be an option which is f f t t pls confirm