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Control and Coordination
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Which of the following pairs are incorrectly matched?
a. Growth of roots towards the earth - Positive hydrotropism
b. Bending of roots towards water - Positive hydrotropism
c. Growth of pollen towards the ovule - Positive phototropism
d. Winding of tendrills towards the support - Negative thigmotropism
AnswerClick to flip back
A
Only c and d
💡 Explanation:
This is the correct option.
Growth of pollen towards the ovule - Chemotropism
Winding of tendrills towards the support - Positive thigmotropism
This is a wrong option as 'b' is correctly matched.
Bending of roots towards water - Positive hydrotropism
Winding of tendrills towards the support - Positive thigmotropism