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The leaf of Mimosa on touching becomes flaccid and droops down. This is due to
Options
(a) water goes into pulvinus
(b) water movement
(c) based on water concentration
(d) based on water minerals
Correct Answer:
water movement
Explanation:
Nastic movements occur in response to a stinulus. It is independent of its direction. They are shown by bifacial organs (leaves, sepals, petals) and are in response to diffused external stimulus. Seismonastic movements are due to shock or touch stimulus. Such movements are shown by Mimosa pudica. The leaf of Mimosa is compound having four pinna and each pinna is having many pinnules. If a terminal pinnule is touched, the whole leaf droops down. This is due to fact that at the bases of pinnules, pinna and wh
Related Questions: - In a ring girdled plant:
- Removal of seed coat in dormant seeds by mechanical methods is called
- Upon fertilization while ovule develops into seed, which structure develops
- Which of the following are not true cells in the blood?
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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
- In a ring girdled plant:
- Removal of seed coat in dormant seeds by mechanical methods is called
- Upon fertilization while ovule develops into seed, which structure develops
- Which of the following are not true cells in the blood?
- Fall of immature leaf is due to the deficiency of
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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