Class 9 Science Improvement in Food Resources
Class 9 Science Improvement in Food Resources Fill in the blanks , Multiple Choice Questions and True false .
Fill in the Blanks
1. All living organisms need food to grow and stay healthy.
2. The green revolution helped in increasing food grain production.
3. Paddy is a common crop grown during the kharif season.
4. Wheat is an example of a rabi crop.
5. Hybridisation involves crossing genetically dissimilar plants.
6. Manure is made by decomposing animal and plant waste.
7. Fertilizers are commercially made plant nutrients.
8. Macronutrients are needed in large amounts by plants.
9. Organic farming uses minimum or no chemical fertilizers and pesticides.
10. Irrigation helps in providing water to crops during dry seasons.
11. Mixed cropping involves growing two or more crops on the same field.
12. Weeds are unwanted plants that grow along with crops.
13. Dairy animals are mainly used for milk production.
14. Broilers are poultry birds raised for meat.
15. Bee-keeping provides us honey and wax.
Multiple Choice Questions (MCQs)
1. Which crop is grown in the kharif season?
a) Wheat
b) Gram
c) Paddy
d) Mustard
Ans: c) Paddy
2. What is the main source of carbohydrates?
a) Pulses
b) Cereals
c) Vegetables
d) Oilseeds
Ans: b) Cereals
3. Which one is a method of improving crop variety?
a) Composting
b) Hybridisation
c) Weeding
d) Irrigation
Ans: b) Hybridisation
4. What is the full form of GMO?
a) Genetically Modified Organism
b) Growth Mixed Output
c) General Medical Option
d) Genetic Multiplication Operation
Ans: a) Genetically Modified Organism
5. Which crop provides us with fats?
a) Maize
b) Gram
c) Sunflower
d) Rice
Ans: c) Sunflower
6. What are bio-fertilizers made of?
a) Chemicals
b) Plastics
c) Microorganisms
d) Insects
Ans: c) Microorganisms
7. Which system includes both farming and livestock?
a) Mixed farming
b) Crop rotation
c) Organic farming
d) Dairy farming
Ans: a) Mixed farming
