List of top Biology Questions on Plant Growth Regulators

Given below are some statements about plant growth regulators.
A. All Gas are acidic in nature.
B. Auxins are antagonists to Gas.
C. Zeatin was isolated from coconut milk.
D. Ethylene induces flowering in Mango.
E. Abscisic acid induces parthenocarpy.
Choose the correct set of statements from the option given below:

F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxins was supplied with one of the following except :

Mesosome in a cell is a

Which hormone inhibits the growth of plants?

Which of the following is a primary source of ethylene?

Which of the following reverses the apical dominance?