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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: - Semi-conservative replication of DNA was first demonstrated in:
- Which of the following is an inexhaustible and renewable source of energy
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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
- Semi-conservative replication of DNA was first demonstrated in:
- Which of the following is an inexhaustible and renewable source of energy
- Coenogametes are found in
- The purplish red pigment rhodopsin contained in the rods type of photoreceptor
- In mitochondria, proteins accumulate in the
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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