Do different species of plants growing i | Class 11 Biology Chapter Transport in Plants, Transport in Plants NCERT Solutions

Define a taxon. Give some examples of taxa at different hierarchical levels.

What are the steps involved in formation of a root nodule?

What are the various stages of meiotic prophase-I? Enumerate the chromosomal events during each stage?
 

How do neutral solutes move across the plasma membrane? Can the polar molecules also move across it in the same way? If not, then how are these transported across the membrane?

State the role of centrioles other than spindle formation.
 

Correct the statements
a. Cells shrink in hypotonic solutions and swell in hypertonic solutions.
b. Imbibition is a special type of diffusion when water is absorbed by living cells.
c. Most of the water flow in the roots occurs via the symplast.

What is meant by living? Give any four defining features of life forms.

Deciduous plants shed their leaves during summer or in autumn. This process of shedding of leaves is called abscission. Apart from physiological changes what anatomical mechanism is involved in the abscission of leaves.