A. Auxins

B. Gibberellins

C. Cytokinins

D. All of above

A. Counteract

B. Increase

C. Decrease

D. None of the above

A. Auxin

B. GA

C. ABA

D. IBA

A. Auxins

B. Adenine

C. Cytokinins

D. None of above

A. Allogamy

B. Pollination

C. Crossing

D. Breeding

A. Substrate

B. Oxygen

C. Temperature

D. All the above

A. Respiration

B. Respiratory quotient

C. Both a & b

D. None of the above

A. Photoperiodism

B. Photosynthesis

C. Photophosphorrylation

D. None of the above

A. Blue light

B. Red light

C. Green light

D. None of the above

A. Infra blue radiation

B. Infra red radiation 

C. X rays 

D. None of  these