Question

2) Which one of the following makes the soil fertile?

a) Pesticides b) Humus c) Water

3) The main cause behind the deforestation is :-

a) Pesticides b) Urbanization c) Crop Rotation

4) The air breadth out is rich in :-

a) Oxygen b) Carbon Dioxide c) Nitrogen

5) Which of the following plant has root nodules that bear bacterial cells?

a) Carrot b) Turnip c) Pea

6) A gas that does not burn and helps put out fire:-

a) Oxygen b) Carbon Dioxide c) Nitrogen

7) Condensation is a process of changing water into_________.

a) Water vapour b) water c) Ice

8) An example of a wedge is :-

a) Jack b) Nail c) Blade

9) How can we increase the speed of doing work?

a) By applying more & more work

b) By working hard

c) By using a machine

10) Big size stone can be lifted by using:-

a) An Inclined Plane b) A Wheel c) A Lever​

Answer 1

Answer:

2. Humus

3.crop rotation

4.carbon dioxide

5.laguminious plant

6.nitogen

7.vapour

8.nail

9.by working hard

10.an inclined plane

mark me as branlist