Question
Biology Question on plant growth and development
Cut flowers and vegetables can be kept fresh for a long period by this plant hormone
A
Auxin
B
Ethylene
C
Gibberellin
D
Cytokinin
Answer
Cytokinin
Explanation
Solution
Cytokinin is a growth promoter and delays the process of senescence by promoting nutrient mobilization. This delay in senescence by cytokinin is also called as Richmond Lang effect.