In many plants,the changeover from the vegetative to the reproductive phase takes place in response to:

Define/Explain: Short-day plants.

The pigment phytochrome is involved in:

Which of the following is a day-neutral plant?

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?

Which type of plants can blossom throughout the year?