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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: - Low Ca⁺⁺ in the body fluid may be the cause of :
- Megasporangium is equivalent to
- First vitamin to be produced through fermentation process using a wild bacterium
- Which of the following plant is an endangered species in India?
- The testes are humans are situated outside the abdominal cavity insides pouch called
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
- Low Ca⁺⁺ in the body fluid may be the cause of :
- Megasporangium is equivalent to
- First vitamin to be produced through fermentation process using a wild bacterium
- Which of the following plant is an endangered species in India?
- The testes are humans are situated outside the abdominal cavity insides pouch called
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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