4. Class 8 Science CBSE 4. Model Question Paper with Answers – Practice and Prepare for Board Exams

Class 8 Science CBSE 4. Model Question Paper with Solutions – Practice, Solve & Prepare for Exams

4. Write a paragraph in your own words on each of the following.
(a) Preparation of soil (b) Sowing
(c) Weeding (d) Threshing

Answer: (a) Preparation of soil
Preparation of soil is the first step in growing crops. The soil is ploughed and loosened so that roots can grow deep and spread easily. Loose soil has more air spaces, which helps roots to breathe properly. It also allows earthworms and microbes to grow, which improve soil fertility by adding humus.

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Posted 4 months ago