A mature ligule having a prominent basal portion is called
A
Trrichocyst
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B
Heterocyst
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C
Rhizophore
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D
Glossopodium
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Solution
The correct option is B Glossopodium At the base of ligule there is a sheath of elongated cells called glossopodium. The glossopodium is sunk in a definite pit. The ligule is considered to be the secretory organ for keeping the sporangium and young leaves moisture also considered as protective structure of sporogonium and leaves. The answer is D.