One of the commonly used plant growth hormone in tea plantations is
ethylene
abscisic acid
Zeatin
Zeatin
D.
Zeatin
Tea plants are grown by stem cuttings. If we dip the lower cut end of a cutting in a dilute solution of auxins (IAA, IBA etc) , large number large number of roots are developed on the cut ends, due to which these cutting develop into successful plants.
Phototropic curvature is the result of uneven distribution of
gibberellin
phytochrome
cytokinins
cytokinins
Stroma in the chloroplasts of higher plants contains
light -independent reaction enzymes
Light -dependent reaction enzymes
ribosomes
ribosomes
The technical term used for the androecium in a flower of China rose (Hibiscus rosa siensis( is
monadelphous
diadelphous
polyandrous
polyandrous
In which one of the following, the male and female gametophytes don't have free -living independent existence ?
Pteris
Funaria
Polytrichum
Polytrichum
