Plant Growth an...

Auxins were discovered by

Growth is maximum in the zone of

The plant material which is widely used in the preparation of culture medium is

Evergreen trees remain green throughout the year on account of ..........

Falling of leaves occur as abscission layer is formed when the content of ...........

A high concentration of synthetic auxin is generally used for ....................

Indole-3-acetic acid called as auxin was first isolated from 

A well known naturally occurring auxin is or A natural growth regulator (hormone) is ........................

Which of the following is not a naturally occurring plant hormone?

Cell elongation in plants is caused by ....................... .