Question

Q-2. (A) Write true or false.

10

(1) Plants contain nearly 90% water. (2) Use of fertilisers improve the texture of the soil as well as enhance the water holding

capacity of the soil.

(3) Acrylic fibers are more durable than natural fibres.

(4) CNG is more polluting fuel than petrol.

(5) Coal tar is a mixture of various substances.

(6) Water is used to extinguish fire in electrical equipment.

(7) Fewer trees result in more soil erosion and lesser fertility of soil.

(8) Unicellular organisms have one celled body.

(9) The basic living unit of an organism is an organ.

(10) An embryo is made up of a single cell.
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Answer 1

Answer:

1- true.

2- true.

3- true.

4- false.

5- _

6- false.

7-_

8- true.

9- false.

10- false.

Answer 2

Answer:

1.false

2.true

3.false

4.false

Explanation:

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