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What are weeds ?...

What are weeds ?

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The unwanted plants which grow along with a cultivated crop are called weeds.
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LAKHMIR SINGH & MANJIT KAUR-IMPROVEMENTS IN FOOD RESOURCES -VERY SHORT ANSWER QUESTIONS
  1. Give an example of biological weed control.

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  2. Give one example of natural insecticide.

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  3. What are weeds ?

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

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

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

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

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

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  9. What is feed ?

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

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

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

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  13. Name any one Indian breed of: (i) cows and (ii) buffaloes.

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  14. The first experiment in artifical insemination was performed by

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  15. Name the diseases of cows against which vaccination is available.

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  16. Name two indigenous breeds of hen of India.

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  17. Name the most efficient converter of low fibre food stuff into highly ...

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  18. Name the two phases in the life cycle of poultry.

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  19. Why special care of broiler is taken ?

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  20. Name one viral and one bacterial disease of poultry.

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