Plant - Growth and Development PYQ — Page 3

A country with a high rate of population growth took measures to reduce it. The figure below shows age sex pyramids of populations. A and B twenty years apart. Select the correct interpretation about them   Interpretations

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

In germinating seeds fatty acids are degrad exclusively in the

The slow rate of decomposition of fallen logs in nature is due to their

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

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

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

Opening of floral buds into flowers, is a type of:

"Foolish seedling" disease of rice led to the discovery of:

How does pruning help in making the hedge dense?

The maximum growth rate occurs in:

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

In your opinion, which is the most effective way to conserve the plant diversity of an area?

Differentiation of shoot is controlled by:

Coconut milk factor is:

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

If a diploid cell is treated with colchicine then it becomes:

What is the reason for the formation of embryoid from pollen grain in tissue culture-medium?

Seed dormancy is due to: