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Science
9th
grade
Improvement in Food Resources | Chapter Assessment | English | Grade 9
10 questions
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- 1. Multiple Choice
Fertilisers are composed of _______.
decayed matter
plant waste
animal waste
chemicals
- 2. Multiple Choice
Significance of crop rotation is ______.
If one crop catches disease another crop survives
Presence of different crops takes different nutrients from the soil, this maintains balance of nutrients in the soil.
both 1 and 2
neither 1 nor 2
- 3. Multiple Choice
Choose the incorrect option with respect to improvement factor in crop production.
High yield
Biotic and abiotic resistance
Long maturity duration
None of these
- 4. Multiple Choice
Loss of foodgrain may occur due to (a) Grains are properly dried (b) Spraying of chemical to protect grains from fungus and insects (c) Grains are kept in moisture (d)Storage place have rats
a , b
c, d
b, c
b, d
- 5. Multiple Choice
How will you control weeds in the field?
Removing it manually
Deep ploughing
Using weedicides
All of these
- 6. Multiple Choice
What are the steps involved in crop production management?
Nutrient management
Cropping pattern
Irrigation
All of these
- 7. Multiple Choice
Productivity of crop may decrease due to which of the following reasons ? (a) Presence of insects on crops (b) Disease in crops (c) Presence of weeds in the farm
(a), (b) and (c)
(a) and (b)
(b) and (c)
None of the above
- 8. Multiple Choice
Chickens raised for the production of meat are called
layers
broilers
both 1 and 2
neither 1 nor 2
- 9. Multiple Choice
Which of the following statement is correct. (i) Floors of cattle shade must be sloping (ii) Cattle shade should be without roof (iii) Food must have roughage (iv) Cattles must be brushed regularly
(i)(ii)(iii)(iv)
(i)(ii)(iii)
(i)(iii)(iv)
(ii)(iii)(iv)
- 10. Multiple Choice
Beekeeping is done to obtain ____ from bees.
Wax
Honey
both 1 and 2
neither 1 nor 2
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