Due to which property of Adiantum and example of Filicinae is called Maidenhairfern________________?
Correct answer: D. Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
- A. Its short thick branched horizontally growing rhizome
- B. Fibrous adventituous roots arise from the lower side of rhizome
- C. Shows heteromorphic alternation of generation
- D. Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
Explanation
Adiantum is called maidenhair fern because its stipe and rachis bear smooth, shiny, black hair-like structures. The likely alternative is a, its rhizome, but the common name refers to the hair-like appearance of the leaf stalk, not the underground stem.
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