Select the mismatch :

Pinus - Dioecious

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Cycas - Dioecious

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Salvinia - Heterosporous

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Equisetum - Homosporous

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Solution

The correct option is A Pinus - Dioecious
Pinus is monoecious, having both male and female cones on the same plant.

Cycas is dioecious where male and female seed cones are present on different plants.

Salvinia produces two kinds of spores, macro (large) and micro (small) spores, and hence is known as heterosporous.

Equisetum is homosporous and produces spores of similar kind.

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