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crop plants grown in monoculture are...

crop plants grown in monoculture are

A

Low in yield

B

Free from intraspecific competition

C

characterised by poor root system

D

highly prone to pests

Text Solution

Verified by Experts

The correct Answer is:
D
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ALLEN-BIOLOGY IN HUMAN WELFARE (DOMESTICATION OF PLANTS & ANIMALS) -Exercise-II (Previous Year Questions)
  1. crop plants grown in monoculture are

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  2. In order to obtain virus free plants through tissue culture the best m...

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  3. Which one of the following statements is correct ?

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  4. Somaclones are obtained by

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  5. Breeding of crops with high levels of minerals vitamins and proteins ...

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  6. Jaya and ratna developed for green revolution in india are the varieti...

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  7. Himgiri developed by hybridisation and selection for disease resistanc...

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  8. A collection of plants and seeds having diverse alleles of all the gen...

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  9. Which one of the following is a case of wrong matching?

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  10. Which part would be most suitable for raising virus-free plants for m...

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  11. Green revolution in india occurred during

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  12. In plant breeding programmes, the entire collection (of plants/seeds) ...

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  13. To obtain virus - free healthy plants from a diseased one by tissue cu...

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  14. A technique of micropropagation is

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  15. Which of the following enhances or induces fusion of protoplats ?

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  16. A protoplast is cell

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  17. Match the following

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  18. Commercial lac is produced form -

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  19. Which set is of beneficial insects, to man -

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  20. The insect thrives on Morus alba is

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