Question

b) Wheat
(Mustard
td) Gram
4. The process of converting atmospheric nitrogen into nitrogenous compounds is called
(a) nitrogen cycle
(b) nitrogen fixation
(c) denitrification
(d) symbiosis
5. The method of irrigation in which emitters let out a trickle of water near the roots is called
(al drip irrigation
(b) sprinkler irrigation
(c) furrow irrigation
(d) basin irrigation
6. In a cold storage, the temperature is maintained
(a) below 0°C
(b) above 0°C
(c) below 10°C
(d) between 0°C and 4°C
7. Which of the following needs to be transplanted?
(a) Rice
(b) Wheat
(c) Millets
(d) Mustard
(d) kidney bean
(d) Jute
F. Choose the correct option(s). More than one option might be correct.
1. Nodules with nitrogen-fixing bacteria are found in the roots of
(а реа
(b) wheat
(c) mustard
2. Which of the following are rabi crops?
(a) Mustard
(b) Wheat
(c) Gram
3. Which of the following crops require very little water?
(a) Jowar
(b) Rice
(c) Bajra
4. Which of these are done after the crops are gathered?
(a) Irrigation
(b) Winnowing
(c) Threshing
5. Plants used as green manure include
(a) gram
(b) cauliflower
(c) cowpea
(d) Wheat
(d) Transplantation
(d) wood sorrel​

Answer 1

Answer:

1st main

Option B

Option A

Option D

Option C

2nd main

Option B

Option A

Option D

Option C

Option A

Answer 2

1. pea

2. mustard

3. bajra

4. winnowing

5. cowpea