Question

2. Which of these is not a kharif crop?
a. wheat
b. rice
c. maize
d. groundnut
3. Which of these nutrients is compost rich in?
a. organic nutrients b. nitrogen
c. phosphorus
d. potassium
4. Which of these is not a fungal disease of plants?
a. wilt
b. rust
c. smut
d. blight (of potatoes)
5. Compost lacks which of the following nutrients?
a. nitrogen
b. phosphorous c. potassium
d. all of these
6. Which one of the following does not add nutrients to the soil?
a. crop rotation b. field fallow
d. ploughing
B. Answer the questions in one word.
1. About how many years ago did agriculture begin?
2. Large grasses cultivated for their nutritious seeds are called
3. Preparation of the soil involves
and
4. Name the nitrogen fixing bacteria in root nodules of leguminous plants.
5. Conversion of proteins into ammonia is called
6. Some bacteria can convert nitrate salts in the soil to free nitrogen. True or false?​

Answer 1

Answer:

rice is not a kharif crop because it is a rqbi crop

Answer 2

Answer:

ground nut is not a kharif crop