Plant Growth and Development Question 82
82. Which one increases in the absence of light?
(a) Uptake of minerals
(b) Uptake of water
(c) Elongation of internodes
(d) Ascent of sap
Show Answer
Answer : c
Hints & Solutions
(c) In the absence of light stem becomes excessive long due to ’etiolation’. This causes cells of internodes to get enlarged.