Assertion: Presence of penumatophores is a special adaptation of hydrophytes.
Reason: Pneumatophores are positively geotropic shoots that have lenticels and help in gaseous exchange.
A
Both assertion and reason are true and reason is the correct explanation of assertion
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B
Both assertion and reason are true but reason is not the correct explanation of assertion
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C
Assertion is true but reason is false
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D
Both assertion and reason are false
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Solution
The correct option is D Both assertion and reason are false Halophytes or mangroves grow in oxygen deficient marshy area. In these plants root grow vertically upward & have breathing pore as pneumotophore. Pneumatophores are negatively geotropic shoots and they have small openings called lenticels in their bark so that air can reach the rest of the plant's root system.