Question

1) The pH of pure water is …………………. .

2) Human beings take oxygen through ………………….. .

3) Kidneys eliminate the waste materials in the liquid form called

…………….. .

4) The transfer of pollen grains from the anther to the stigma of the same

or of another flower of the same kind is known as …………………. .

5) A device which measures time by the flow of sand is ……………… .

6) The combination of two or more cells is called a ………………. .

7) An image formed by a ………………. mirror is always of the same size

as that of the object.

8) Sodium hydroxide and hydrochloric acid neutralize each other and form

………… and …………. .

9) Production of new individuals from the vegetative part of parent is called

………………… .

10) An image that cannot be obtained on a screen is called

…………………. .​

Answer 1

Answer:

1. 7

2. nose

3. urine

4.pollination

5. sand clock

6. battery

7. plane

8. sodium, chloride

9. vegetative propagation

10. virtual image

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