Question

7. Quality of seeds can be improved by plant breeding
C. Choose the correct alternative.
1. The crop which increases nitrogen fertility of the soil is :
(a) wheat
(6) tomato
(c) beans
2. The process of removing the grains from seed coat is called:
(a) threshing
() winnowing (c) ploughing
3. The implement used to uproot weeds is :
(a) harrow
(b) tractor
(c) sickle
4. Transplanting is not done in:
(a) brinjal
(6) rice
(c) wheat
5. Which one is a weedicide ?
(a) 2.4.D
(b) DDT
(c) BHC​

Answer 1

Answer:

1 is beans

2 is threshing

3 is Harrow

5 is 2.4.D

Answer 2

Answer:

1. The crop which increases nitrogen fertility of the soil is :

ans. a) wheat

2. The process of removing the grains from seed coat is called:

ans. (a) threshing

The implement used to uproot weeds is

ans. (c) sickle

Transplanting is not done in:

ans. (c) wheat

Which one is a weedicide ?

ans. (b) DDT