Spore dissemination in some liverworts is aided by

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Spore dissemination in some liverworts is aided by

Options

(a) indusium
(b) calyptra
(c) peristome teeth
(d) elaters

Correct Answer:

elaters

Explanation:

Elater is an elongated, spirally thickened, water-attracting cell in the capsule of a liverwort, derived from sporogenous tissue and assist in spore dispersal. In mosses calyptra is a structure initially present around sporophyte then later get break. It is developed from ventral wall after fertilization. It provides protective covering to the developing sporogonium. Peristome teeth are found in capsule of moss. These are present below operculum and are hygroscopic in nature.

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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Plant and Animal Kingdom (295)
Subject: Biology (4253)

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