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Find out the correct sentence about manu...

Find out the correct sentence about manure
(i) Manure contains large quantities of organic matter and small quantities of nutrients.
(ii) It increases the water holding capacity of sandy soil.
(iii) It helps in draining out of excess of water from clayey soil.
(iv) Its excessive use pollutes environment because it is made of animal excretory waste.

A

(i) and (iii)

B

(i) and (iii)

C

(ii) and (iii)

D

(iii) and (iv)

Text Solution

Verified by Experts

The correct Answer is:
A
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LAKHMIR SINGH & MANJIT KAUR-IMPROVEMENTS IN FOOD RESOURCES -VERY SHORT ANSWER QUESTIONS
  1. Find out the correct sentence about manure (i) Manure contains larg...

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  2. Mention the crop whose production has increased by blue revolution and...

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  3. What are plant nutrients ?

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  4. Name the three most important mineral elements required for plant grow...

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  5. What are the micronutrients required by the plants ?

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  6. Name any two macronutrients required by plants.

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  7. Which one is nutrient specific-fertilizer or manure ?

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  8. Which is the oldest method of crop improvement ?

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  9. Name one common disease of paddy.

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  10. Give an example of biological weed control.

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  11. Give one example of natural insecticide.

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  12. What are weeds ?

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  13. Write down two harmful effects of biotic factors on food grains.

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  14. What percent of moisture should be present in the food grains at the t...

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  15. Give one example of solid and one of liquid fumigant.

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  16. Which method is most effective for destroying insects in stored grains...

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  17. How the food grains should be dried on commerical basis ?

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  18. What is feed ?

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  19. Name one (a) Leguminous green fodder, (b) Non-green dry fodder.

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  20. Name one high yielding breed of cow and one of buffalo respectively.

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  21. What are fat content in milk of: (a) Murrah, (b) Surti ?

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