JIPMER 2005
- Exam
- JIPMER
- Year
- 2005
- Subject
- Botany
- Chapter
- Plant - Growth and Development
JIPMER 2005 · Botany · Plant - Growth and Development
Ageing is retarted by
Ageing is retarted by
Options
- AABA
- BCKN
- CGA
- D
Correct answer
B. CKN
Step-by-step solution
Richmond and Lang 1967 observed that degradation of protein and chlorophyll was delayed in the detached leaves of Xanthium, if there was cytokinin in the medium.