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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: - In higher plants continuity of cytoplasm from one cell to its neighbouring
- The genetically-modified (GM) brinjal in India has been developed for:
- Pollination which occur in closed flowers is known as
- Which one of the following is wrongly matched? Nostoc-Water blooms
- Illicium is modified
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
- In higher plants continuity of cytoplasm from one cell to its neighbouring
- The genetically-modified (GM) brinjal in India has been developed for:
- Pollination which occur in closed flowers is known as
- Which one of the following is wrongly matched? Nostoc-Water blooms
- Illicium is modified
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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