Plant Physiolog...

What is imbibition?

Metabolism will be adversely affected when the leaves are coated with wax on their upper surfaces in which of the following plants?

The ripening of fruits can be accelerated by which of the following methods?

Which chemical is present in the cell-sap of the members of compositae family?

Which of the following is/are required for auxin synthesis?

In phosphorus deficiency, the first leaves which become yellow are

Which of the following is never a limiting factor for photosynthesis?

The Starch cannot move from cell to cell: how does it accumulate in the potato tubers?

One of the following gases was absent in the past and came into the atmosphere with the coming of the green plants on earth. Which was that element?

Which of the following is a device for growing plants in a controlled environment?

Opening and closing of stomata in angiosperms is due to which of the following phenomenon?

In which of the following processes is light energy converted to chemical energy?

When simple sugar is formed in the leaves it is _________.

What do you mean by girdling of plant?

Organic substances such as sugars translocated in the phloem, can be demonstrated by __________.

Which of the following is a growth inhibitor?

Gibberellins do not _________.

Which is the circadian rhythmic nastic movement of higher plants in response to the onset of darkness?