Which of the following is a day-neutral plant?

Assertion $(A)$: Vernalization is the acceleration of subsequent flowering by low-temperature treatment.
Reason $(R)$: The site of vernalization is the apical meristem.

When the dark period of short-day plants is interrupted by a brief exposure of light,then the plant:

The red absorbing form of phytochrome gets converted to the far-red absorbing form after getting irradiated at

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?

Flowering of plants by exposure to low temperature is called