Here are 10 multiple-choice questions (MCQs) from the chapter Improvement in Food Resources for Class 9:
1. Which of the following is an example of a kharif crop?
a) Wheat
b) Rice
c) Gram
d) Mustard
Answer: b) Rice
2. What is the main objective of crop rotation?
a) Increase water retention
b) Improve soil fertility
c) Reduce weeds
d) Increase pesticide use
Answer: b) Improve soil fertility
3. Which of the following nutrients is classified as a macronutrient for plants?
a) Nitrogen
b) Iron
c) Zinc
d) Manganese
Answer: a) Nitrogen
4. What is the scientific term for growing two or more crops simultaneously on the same field?
a) Monocropping
b) Mixed cropping
c) Intercropping
d) Crop rotation
Answer: c) Intercropping
5. Which of the following organisms are used as bio-fertilizers?
a) Rhizobium
b) Houseflies
c) Termites
d) Earthworms
Answer: a) Rhizobium
6. Which of these is a method to improve cattle breeds?
a) Cross-breeding
b) Monoculture
c) Grafting
d) Layering
Answer: a) Cross-breeding
7. Which is NOT a component of organic farming?
a) Use of bio-fertilizers
b) Use of chemical pesticides
c) Composting
d) Crop rotation
Answer: b) Use of chemical pesticides
8. Which breed of poultry is known for high egg production?
a) White Leghorn
b) Jersey
c) Gir
d) Murrah
Answer: a) White Leghorn
9. Which of the following is an aquaculture technique?
a) Rearing of poultry
b) Breeding of fish
c) Planting rice in paddies
d) Use of greenhouses for crops
Answer: b) Breeding of fish
10. Green Revolution in India primarily focused on the improvement of which crops?
a) Fruits and vegetables
b) Cotton and jute
c) Rice and wheat
d) Pulses and oilseeds
Answer: c) Rice and wheat
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