Question
Biology Question on Plant Growth and Development
Plants deficient of element zinc, show its effect on the biosynthesis of plant growth hormone:
A
Auxin
B
Cytokinin
C
Ethylene
D
Abscisic acid
Answer
Auxin
Explanation
Solution
Zinc deficiency can lead to reduced auxin synthesis or impaired auxin transport within the plant, which can result in various growth abnormalities and symptoms such as stunted growth and leaf distortion. Zinc is essential for various enzymatic reactions and processes in plants, including those related to hormone biosynthesis and function.
So, the correct option is (A): Auxin