Plant Growth And Development Question 143
Question: An excised leaf does not turn yellow if it is induced to root. This is attributed to synthesis in root of or Leaf aging is retarded by [DPMT 1984; CPMT 1985; CBSE PMT 1988]
Options:
A) Ethylene
B) Cytokinins
C) Gibberellins
D) Auxins
Show Answer
Answer:
Correct Answer: B
Solution:
Cytokinin prevent decolouration of chlorophyll study under Richmond - lang effects.