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Improvement in Food Resources CBSE Class 9

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Question 1/20

Q 1. Leghorn is related to

Solution

Leghorn is one of the most popular chicken breeds in poultry. 

Q 2. Poultry fowl are susceptible to which of the following pathogens?

Solution

Microorganisms like virus, bacteria and fungi cause various diseases in poultry fowl. 

Q 3. In which of the following methods of irrigation, rotating nozzles are used?

Solution

Rotating nozzles are used in the sprinkler system of irrigation. 

Q 4. Sugarcane + Potato is an intercropping system of

Solution

In autumn, sugarcane and potato are planted as an inter-cropping system. 

Q 5. Which of the following is not a marine fish?

Solution

Catla is a freshwater fish. 

Q 6. Crops grow well when they are

Solution

Water for irrigation is essential for vegetable production in which the crops grow properly. 

Q 7. What is the technique called for storage of rainwater?

Solution

Rainwater harvesting is a technique used for collecting, storing and using rainwater for landscape irrigation and other uses. 

Q 8. Preventive and control measures adopted for the storage of grains include

Solution

Preventive and control measures adopted for the storage of grains include strict cleaning, disjoining and fumigation. 

Q 9. A breed of cow not used for cross breeding in our country is

Solution

A breed of cow not used for cross breeding in our country is Sahiwal.

Q 10. When groundwater is abundant, __________ are constructed.

Solution

Wells are constructed in areas where groundwater is abundant. 

Q 11. Production of silk is called

Solution

Production of silk is called sericulture. 

Q 12. Using fertilisers in farming is an example of

Solution

Using fertilisers in farming is an example of high cost production. 

Q 13. What is the process of growing two or more crops in a definite pattern?

Solution

Growing two or more crops in a perfect pattern is called intercropping. 

Q 14. Which of the following are biotic factors?

Solution

Biotic factors include plants and animals which make the plant withstand adverse conditions. 

Q 15. Which of the following crops reduces soil fertility when grown repeatedly?

Solution

Paddy reduces soil fertility when grown repeatedly. 

Q 16. Which of the following is not a type of biotic stress?

Solution

One of the major abiotic stresses studied include temperature stress (cold, frost, heat). 

Q 17. Vermicompost is produced by the action of

Solution

Vermicompost is produced by the action of earthworm. 

Q 18. Poultry farming is undertaken to raise

Solution

Poultry farming is undertaken to raise egg and feather production. 

Q 19. Growing of two or more crops simultaneously on the same piece of land is called

Solution

Growing of two or more crops simultaneously on the same piece of land is called mixed cropping. 

Q 20. Growing of a single crop species on a field year after year is called

Solution

The growing of a single crop species on a field year after year is called continuous cropping. 

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