Photosynthesis In Higher Plants Question 240
Question: The plants growing in dark show yellowing in leaves and elongated internodes, this condition is called as [BHU 1999]
Options:
A) Etiolation
B) Chlorosis
C) Dechlorosis
D) Dark effect
Show Answer
Answer:
Correct Answer: A
Solution:
In Etiolation, chlorophyll (green) converts in protochlorophyll (yellow) in dark, etiolin hormone is formed due to which plants become elongated.
$ \underset{\text{(green)}}{\mathop{Chlorophyll}},\underset{Light}{\overset{Dark}{\longleftrightarrow}}\underset{\text{(yellow)}}{\mathop{Protochlorophyll}},\text{+2H} $
BETA
