NEET2022Botany-Plant Growth Regulators
NEET 2022 Botany Ethylene MCQ Question
Type: MCQ-conceptual-Easy-Class 11
The gaseous plant growth regulator is used in plants to:
A
help overcome apical dominance
B
kill dicotyledonous weeds in the fields
C
speed up the malting process
D
promote root growth and root hair formation to increase the absorption surface
Correct Answer
Option D
Detailed Explanation
Ethylene is a gaseous plant hormone that promotes root growth and root hair formation, enhancing the plant's ability to absorb water and nutrients.
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