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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: - The ovule during its development undergoes 180 degree curvature bringing
- VAM is important for
- Which of the following enhances or induces fusion of protoplasts ?
- Spinal cord passes through
- In an uqright pyramid of biomass, the herbivores occupy the position
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
- The ovule during its development undergoes 180 degree curvature bringing
- VAM is important for
- Which of the following enhances or induces fusion of protoplasts ?
- Spinal cord passes through
- In an uqright pyramid of biomass, the herbivores occupy the position
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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