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Sleeping movements in some plants is called
Options
(a) seismonasty
(b) nictynasty
(c) photonasty
(d) thermonasty
Correct Answer:
nictynasty
Explanation:
Sleep movement or nyctinasty (sleep movement during night) occurs in the leaves of many legumes and Oxallis is due to turgor changes in response to darkness. The leaves fold at night but open during the day. Leaves of Mimosa pudica also show sleep movement, called as seismonasty (shock movement) in response to physical contact, injury, electric current etc. The movement occurs due to osmotic changes.
Related Questions: - Two plants are said to belong to the same species if they
- Compound tissue is defined as
- Axile placentation is present in
- Which of the micro organism is the smallest living cell without cell wall
- Imbalance of certain hormones, deficiencies of calcium and vitamin
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two plants are said to belong to the same species if they
- Compound tissue is defined as
- Axile placentation is present in
- Which of the micro organism is the smallest living cell without cell wall
- Imbalance of certain hormones, deficiencies of calcium and vitamin
Topics: Plant Growth and Development (126)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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