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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: - The chief water conducting elements of xylem in gymnosperms are:
- Heart to pump blood evolved for the first time in
- In the case of peppered moth (Biston betularia) the black
- A stele with a central core of xylem surronded by phloem is called or Actinostele is a modification
- Choose the correctly matched pair – ephithelium
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The chief water conducting elements of xylem in gymnosperms are:
- Heart to pump blood evolved for the first time in
- In the case of peppered moth (Biston betularia) the black
- A stele with a central core of xylem surronded by phloem is called or Actinostele is a modification
- Choose the correctly matched pair – ephithelium
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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