Question

1. Which of the following is not a method to maintain the fertility of soil?
d. ploughing
b. multiple cropping c. fallowing
a. crop rotation
2. Organic matter composed of dead plants and animal waste are called
d. manures
c. herbicides
b. pesticides
a. NPK fertilizers
3. Which of the following is a natural fibre?
d. Polyeste
c. Wool
b. Nylon
a. Rayon
4. Which of the following is not a thermoplastic?
c. Polyester d. Melamine
b. PVC
a. Teflon
5. Polycot is
c. a synthetic fibre d. not a fibre
b. a blended fibre
a. a natural fibre​

Answer 1

Answer:

1.multiple cropping

2.manures

3.c. Wool

4.c. Polyester

5.a synthetic fibre

Answer 2

Answer:1:multiple cropping

2 : manures

3 : wool

4 : polyester

5 : a blended fibre

Explanation: