All the following contribute to an increase in girth of dicots and gymnosperms except:

Identify the incorrect statement regarding the arithmetic growth?

The shape of the growth curve characteristic of a living organism growing in natural environment is:

Plant growth and further development is intimately linked to water status of the plant because:
A. Turgidity of cells helps in extension growth
B. It provides medium for enzymatic activity
1. Both A and B are correct                             
2. Only A is correct
3. Only B is correct                                         
4. Both A and B are incorrect

Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): 

In the light of the above statements choose the correct answer from the options given below:

Formation of interfascicular cambium and cork cambium is possible most importantly because of:

In plants, the living differentiated cells, have lost the capacity of division under certain conditions. This phenomenon is termed as:

To differentiate into a tracheary element, a cell would:
1. Gain protoplasm
2. Become multinucleate
3. Assimilate lot of collagen and elastin
4. Develop lignocellulosic secondary cell wall