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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.
Related Questions: - Sewage treatment process in which part of decomposer bacteria is recycled into starting
- A man whose father was colour blind marries a woman who had a colour blind
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Plant and Animal Kingdom
(295)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Sewage treatment process in which part of decomposer bacteria is recycled into starting
- A man whose father was colour blind marries a woman who had a colour blind
- During callus differentiation which of the cells divide?
- Fifth cranial nerve of frog is called
- Green muffler is used against which type of pollution?
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Plant and Animal Kingdom (295)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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