question_answer

Beans and peas are preferably grown in nitrogen deficient soil because:

(i) They absorb most of the nitrogen from the soil.

(ii) They are leguminous plants.

(iii) They have rhizobium in root nodules which can fix atmospheric nitrogen.

(iv) They are green plants.

A) (i) and (ii)                      

B) (ii) and (iii)

C) (iii) and (iv)                   

D) (i)and(iv)

E) None of these