| ⇦ | 
| ⇨ |
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 stage transmitted into the uterus after induced fertilization of ova in the laboratory
- The joint of femur with pelvic girdle is
- Select the correct statement with respect to disorders of muscles in humans
- Select the option which shows correct matching of animal with excretory organs
- Viruses cannot reproduce on its own because
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The stage transmitted into the uterus after induced fertilization of ova in the laboratory
- The joint of femur with pelvic girdle is
- Select the correct statement with respect to disorders of muscles in humans
- Select the option which shows correct matching of animal with excretory organs
- Viruses cannot reproduce on its own because
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