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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.
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Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Identify the odd combination of the habitat and the particular animal concerned
- A vertebra has a convexity both in front and behind it. It is called
- The significance of light and chlorophyll in photosynthesis was discovered
- Which of the following are correctly matched with respect to their taxonomic
- When pollen tube enters into the ovule by integument, it is called
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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