Chapter 12: Improvement in Food Resources Short Questions | science Class 9 CBSE

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Chapter 12: Improvement in Food Resources Short Questions | science Class 9 CBSE | ByteNotes.in

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Question 1

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Q1. What are kharif crops? Give two examples.

Crops grown during the rainy season (June–October).
Examples: paddy, maize.
Require a lot of water.

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Question 2

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Q2. What are rabi crops? Give examples.

Crops grown in winter season (November–April).
Examples: wheat, gram.
Need less water compared to kharif crops.

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Question 3

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Q3. Name two macronutrients required by plants.

Nitrogen (N) and phosphorus (P).
Needed in large quantities.
Support growth and development.

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Question 4

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Q4. Define manures.

Organic substances from plant/animal waste.
Improve soil fertility and texture.
Eco-friendly and cheap.

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Question 5

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Q5. What is intercropping?

Growing two or more crops in alternate rows.
Helps better nutrient use.
Reduces pests and increases yield.

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Question 6

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Q6. Define crop rotation.

Growing different crops one after another on the same land.
Improves soil fertility.
Reduces pest and disease buildup.

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Question 7

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Q7. What is the role of irrigation?

Supplies water to crops during dry periods.
Supports plant growth.
Improves productivity.

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Question 8

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Q8. What is mixed cropping?

Growing two or more crops together on same land.
Minimizes risk of crop failure.
Ensures better resource use.

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Question 9

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Q9. Name two methods of weed control.

Mechanical removal (hand weeding).
Using weedicides (chemicals).
Crop rotation also helps.

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Question 10

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Q10. What is poultry farming?

Raising birds like hens and ducks for meat and eggs.
Requires proper feeding and housing.
Important for protein supply and income.

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Chapter sections

Chapter 12: Improvement in Food Resources | Short Questions

Q1. What are kharif crops? Give two examples.

Q2. What are rabi crops? Give examples.

Q3. Name two macronutrients required by plants.

Q4. Define manures.

Q5. What is intercropping?

Q6. Define crop rotation.

Q7. What is the role of irrigation?

Q8. What is mixed cropping?

Q9. Name two methods of weed control.

Q10. What is poultry farming?