Plant Growth an...

The form of pigment which inhibits germination is 

The birth and death rates of four countries are given below. Which one will have the least population growth rate?

The pineapple which under natural condition is difficult to blossom has been made to produce fruits throughout the year by application of

Choose the correct answer among the alternatives given :
The graph below shows the relationships of per capita population growth rate (r), fecundity (b) and age at first reproduction ($$\alpha$$) in an animal species:
What is the most important conclusion to be drawn from the graph?

Ageing is retarted by

 Because of the which of the following reason/s, growth stops completely during the stationary phase?

If there is a leaf at a node bearing a single branch in its axil, a transverse section of the node shows the vascular system of the main stem, then the

Which of the following is stress hormone?

Which of the following plant growth response is primarily due to the action of auxins?

Growth in plant is :