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Find out the correct sentence. Hybridi...

Find out the correct sentence.
Hybridisation means crossing between genetically dissimilar plants
Cross between two varieties is called as inter specific hybridisation
Introducing genes of desired character into a plant gives genetically modified crop
cross between plants of two species is called as inter varietal hybridisation

A

(i) and (iii)

B

(ii) and (iv)

C

(ii) and (iii)

D

(iii) and (iv)

Text Solution

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The correct Answer is:
A
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Hybridisation involves crossing of genetically similar plants.

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LAKHMIR SINGH & MANJIT KAUR-IMPROVEMENTS IN FOOD RESOURCES -VERY SHORT ANSWER QUESTIONS
  1. Find out the correct sentence. Hybridisation means crossing between ...

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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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