Plant Growth and Development

One of the synthetic auxin is

Which one of the following acids is a derivative of carotenoids?

Importance of day length in flowering of plants was first shown in

Senescence as an active developmental cellular process in growth and functioning of a flowering plant, is indicated in

The wavelength of light absorbed by Pr form of phytochrome is

Which one of the following pairs, is not correctly matched?

Opening of floral buds into flowers, is a type of

How does pruning help in making the hedge dense?

Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?

Treatment of seeds at low temperature under moist conditions to break its dormancy is called

An enzyme that can stimulate germination of barley seeds is

The ability of the Venus Flytrap to capture insects is due to

One set of the plant was grown at 12 hours day and 12 hours night period cycles and it flowered while in the other set night phase was interrupted by flash of light and it did not produce flower. Under which one of the following categories ...

Cell elongation in internodal regions of the green plants takes place due to

Coconut milk factor is

Plants deficient of element zinc, show its effect on the biosynthesis of plant growth hormone

Differentiation of shoot is controlled by

Nicotiana sylvestris flowers only during long days and N.tabacum flowers only during short days. If raised in the laboratory under different photoperiods, they can be induced to flower at the same time and can be cross-fertilized to produce...

Dwarfness can be controlled by treating the plant with

Seed dormancy is due to the

Which plant is LDP?

Which of the following prevents the fall of fruits?

Hormone responsible for senescence is

Which hormone breaks dormancy of potato tuber?

If the apical bud has been removed then we observe

By which action a seed coat becomes permeable to water

Which hormone is responsible for fruit ripening?