Class 8 Science – Chapter 1

Crop Production and Management

Worksheet – FULL ANSWERS (Step-by-Step)

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A. Fill in the Blanks – Answers

1. The process of loosening the soil is called ploughing (or tilling).
2. Seed drill helps in even distribution of seeds.
3. Plants of the same kind grown at one place are called a crop.
4. Removal of unwanted plants is known as weeding.
5. Harvested grains are stored in granaries or silos.

B. True or False – Answers

1. Manure improves soil fertility. (True)
2. Weeds are useful plants. (False)
3. Drip irrigation wastes water. (False)
4. Kharif crops are grown in winter. (False)
5. Sickle is used for harvesting. (True)

C. Very Short Answer – Answers

1. Crop: Plants of the same kind grown on a large scale at one place.
2. One Kharif crop: Rice.
3. One Rabi crop: Wheat.
4. Irrigation: Supply of water to crops at regular intervals.
5. Fertilizers are used to provide nutrients to the soil.

D. Short Answer – Answers

1. Importance of ploughing:
   It loosens the soil, allows roots to grow deeply, improves aeration and helps microorganisms to grow.
2. Two advantages of manure:
   (i) Improves soil fertility
   (ii) Increases water-holding capacity
3. Problems caused by weeds:
   They compete with crops for water, nutrients, sunlight and space.
4. Need for proper storage:
   It protects grains from insects, rodents, moisture and spoilage.

E. Long Answer – Answer

1. Agricultural practices involved in crop production:
   The main steps are preparation of soil, sowing, adding manure and fertilizers, irrigation, weeding, harvesting and storage. Each step is important for healthy crop growth and high yield.

✅ Exam Tip: Write answers in points, underline keywords like ploughing, irrigation, weeding for better marks.