A) Nephrolepis and Cycas
B) Riccia and Nephrolepis
C) Psilotum and Riccia
D) Equisetum and Selaginella
Correct Answer: A
Solution :
Circulate vernation is the manner, in which, a fern frond emerges. As the fern frond is formed, it protected within a coil. In the case of many fronds, long hair or scales provide additional protection to the growing dps before they are fully uncoiled. Circulate vernation may also be observed in the extension of leaflets in the compound leaves of cycads. Thus, both Cycas (cycad) and Nephrolepis (fem) exhibit circinate vernation.
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