Q. Answer the following questions.
(a) Besides using plants for food, in which other ways do we make use of plants?
(b) Write the three stages of the tilling of land in the proper order.
(c) What are the advantages of the pre-sowing tilling activities?
(d) What are the activities at the post-sowing stage of tilling?
(e) Explain the difference between ‘thinning the crop’ and ‘weeding’.
(f) Explain the difference between preventive and curative spraying of chemicals.
(g) What is the method used for sowing each of the following crops:
wheat, rice, sugarcane, pumpkin, jowar, cotton.
(h) How many methods are there of sowing seeds?