Stimulus of vernalisation is perceived by

  • A
    Shoot tips
  • B
    Mature tissues
  • C
    Embryo tips
  • D
    Both $(A)$ and $(C)$

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Give scientific reasons:
$(1)$ Photoperiodism is essential for flowering in plants.
$(2)$ Abscission (leaf fall,flower fall,fruit fall) increases the vitality of plants.

During the photoperiodic induction,$........$ is translocated from leaves to shoot buds to induce flowering.

What will happen if several bulbs are lighted in soybean fields at night?

Phytochrome is involved in:

Differentiate between Short Day Plants $(SDP)$ and Long Day Plants $(LDP)$.

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