NEET 2007 Biology question

Spore dissemination in some liverworts is aided by:

(1)peristome teeth
(2)elatersCorrect
(3)indusium
(4)calyptra

Answer: (2)

Solution

In liverworts such as Marchantia and Pellia the sporophyte capsule contains spores mixed with long, hygroscopic, spirally thickened sterile cells called elaters; their twisting movements on drying help to scatter the

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Question ID VK-089751