Question

TERNATIONAL OLYMPIAD OF SCIENCE
Which one among the following is incorrect about fertilisers?
(i) A fertiliser is a salt or an organic compound.
(ii) A fertiliser is obtained by the decomposition of animal wastes and plant res
(iii) A fertiliser provide a lot of humus to the soil.
(iv) Most of the fertilisers are soluble in water.
(A) (i) and (ii) (B) (ii) and (iii) (C) (iii) and (iv) (D) (i) and (iv)
(E) None of these
Which system of irrigation among the following is most suitable​

Answer 1

Answer:

• (A)(i) and(ii) Should be a right answer