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The role of ethylene and abscissic acid ...

The role of ethylene and abscissic acid is both positive and negative justify the statement

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NCERT EXEMPLAR-PLANT GROWTH AND DEVELOPMENT -Short Answer Type Question
  1. Nicotiana tobacum, a short day plant , when exposed toi more than crit...

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  2. What are the structural characteristics of (a) meristematic cells ne...

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  3. Does the growth pattern in plants differ from that in animals? Do all ...

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  4. Explain in 2-3 lines each of the following terms with the help of exam...

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  5. Auxins are growth hormones caplable of promoting cell elongation. They...

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  6. The role of ethylene and abscissic acid is both positive and negative ...

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  7. While experimentation , why do you think it is difficultto assign any...

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  8. What is the mechanism underlying the phenominon by which the terminal/...

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  9. In animals , there are glands secreting hormones , formed ? How are th...

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  10. Many discoveries in science have been accidental .This is true for pla...

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  11. To get a carpet like garas lawns are mowed regularly.Is there any sci...

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  12. In a slide showing different types of cells can you identify which typ...

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  13. A rubber band stretches and reverts back to its original position. Bub...

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  14. Label the diagram A.This is which part of a dicotyledonous plants? ...

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  15. Both animals and plants grow. Why do we say that growth and diffeentit...

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  16. Define parthenocarpy . Name the plant hormone used to induce parthenoc...

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  17. While eating watermelons, all of us wish it was seedless,. As a plkant...

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  18. A gardener finds some broad leaved dicotweeds growing in his lawns wha...

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  19. On germination a speed first produces shoots with leaves , flowers app...

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  20. Fill in the blanks A. Maximum growth is observed in ………..phase. B....

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