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How much of day length is need for the d...

How much of day length is need for the day-neutral plants to flower ?

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Plants are indifferent to the length of the day and flower in all seasons.
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ICSE-PHOTOMORPHOGENESIS IN PLANTS-REVIEW QUESTIONS (VERY SHORT ANSWER TYPE QUESTIONS ( WITH ANSWERS ))
  1. In short day plants, what is the critical period, the length of the da...

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  2. What is important for the flowering in short day plants if it is the ...

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  3. Why do the short day plants flower during the winter months?

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  4. If for a short day plant the light period is interrupted by a short d...

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  5. Give examples of two short-day flowering plants.

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  6. A long-day plant needs a long day and short night. If the long-day is ...

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  7. If the short night is interrupted by the flashes of light will a long-...

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  8. Give two examples of long-day plants that flower during summer.

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  9. How much of day length is need for the day-neutral plants to flower ?

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  10. Which red light wavelength induces flowering in short-day plants?

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  11. What is the effect of red light 740 nm on the short-day plants?

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  12. Which part of the plant perceives the light?

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  13. Name the flowering hormone that induces flowering.

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  14. Name the hormones that substitute the light requirement in short-day p...

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  15. What is the term used for the exposure to low temperature for initiati...

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  16. Which part of the plant perceives the cold stimulus?

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  17. Name the hormone involved in vernalisation.

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  18. Which hormone level increases during vernalisation?

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  19. Name the light receptor pigment present in seeds.

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  20. If seeds are exposed to red light 600 nm and far red light 730, which ...

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