Plant Growth And Development Question 121
Question: A green plant bends towards the source of light when exposed to the light on only one side, it bends towards the source of light as it grows. Which of the following is the best explanation of the phenomenon [AFMC 1981; BHU 1984; CPMT 1977, 84, 88]
Options:
A) The apices of their stems are attracted by light
B) They need light for photosynthesis
C) Some auxins accumulates on the shaded side to induce greater cell elongation on that side
D) Light stimulates the cells on the illuminated side to increase in length
Show Answer
Answer:
Correct Answer: C
Solution:
Accumulation of auxin at the apex of the plant, which is responsible for the phototropism movement so that plants cell are elongated.
BETA
