During certain months of the year, small brown or yellow spots can be seen on the underside or margin of fern leaves. These spots are known as

Somites

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Placenta

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Gametes

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Sori

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Solution

The correct option is D Sori
A sorus is a cluster of sporangia in ferns and fungi.In ferns, these form a yellowish or brownish mass on the edge or underside of a fertile frond
So,the correct option is D. ( Sori )

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During certain months of the year, small brown or yellow spots can be seen on the underside or margin of fern leaves. These spots are known as

The correct option is D SoriA sorus is a cluster of sporangia in ferns and fungi.In ferns, these form a yellowish or brownish mass on the edge or underside of a fertile frondSo,the correct option is D. ( Sori )

The correct option is D Sori
A sorus is a cluster of sporangia in ferns and fungi.In ferns, these form a yellowish or brownish mass on the edge or underside of a fertile frond
So,the correct option is D. ( Sori )