| ⇦ | 
| ⇨ |
Sleep movements of leaves in some plants are due to
Options
(a) excess of respiration
(b) leaves stop photosynthesis
(c) excess of transpiration
(d) osmotic changes at the base of leaves
Correct Answer:
osmotic changes at the base of leaves
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 function of leg haemoglobin in the root nodules of legumes is:
- Which of the following is the first compound that accepts carbon dioxide during
- The lowest water potential is found in
- Lichens indicate SO2 pollution because they
- Addition or deletion of one or few chromosomes results in
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The function of leg haemoglobin in the root nodules of legumes is:
- Which of the following is the first compound that accepts carbon dioxide during
- The lowest water potential is found in
- Lichens indicate SO2 pollution because they
- Addition or deletion of one or few chromosomes results in
Topics: Plant Growth and Development (126)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply