If a tree in North India flowers three times a year (in October,January,and July),it is considered to be:

  • A
    Photosensitive but temperature-insensitive
  • B
    Temperature-sensitive but photo-insensitive
  • C
    Both photo and temperature-sensitive
  • D
    Both photo and temperature-insensitive

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Phytochrome-mediated process is:

It is known that some varieties of wheat are sown in autumn but are harvested around next mid-summer.
$(A)$ What could be the probable reason for this?
$(B)$ What term is used for this promotion of flowering under low temperature?
$(C)$ Which plant hormone can replace the cold treatment?

Define/Explain: Photoperiodism.

Vernalization is done at

Photoperiodism affects

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