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Question

Select the mismatch:

A
Cycas - Dioecious
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B
Salvinia - Heterosporous
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C
Equisetum - Homosporous
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D
Pinus - Dioecious
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Solution

The correct option is D Pinus - Dioecious
Pinus, like Cycas, is a gymnosperm, but unlike Cycas, it is monoecious, i.e., the same tree bears both male and female sex organs.
Cycas is a gymnosperm which is dioecious, i.e., male and female plants are separate.

Salvinia and Equisetum are pteridophytes. Salvinia is heterosporous, i.e., it produces two kinds of spores: macrospores and microspores. Equisetum, on the other hand, is homosporous.

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