Question

Q. 3 Give scientific reason.
(1) Modern methods of irrigation help us to use water economically. Why?
(2) Vaccination is insisted in present covid-19 situation. Why?

Q. 4 Answer the following questions.
(1) How will you prepare the soil before growing the crop in the field? (2)
(2) In which condition will you use agricultural implements such as Plough, Hoe and
Cultivator?

Answer 1

Answer:

Give scientific reason.

(1) Modern methods of irrigation help us to use water economically. Why?

(2) Vaccination is insisted in present covid-19 situation. Why?