A) placenta
B) ramentum
C) sporophyll
D) indusium
Correct Answer: D
Solution :
Indusium is a protective kidney shaped covering of sorus present in Dryopteris. Sporophylls are sori-bearing leaves of ferns. Placenta are cushion like structure where sporangia are developed. Ramentum are scaly leaves, which covers younger part of the leaves and rhizome.You need to login to perform this action.
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