What is aerenchyma? Mention any two specific functions of this tissue in hydrophytes.
Asked by Topperlearning User | 16th Jun, 2014, 04:14: PM
Aerenchyma is a modified parenchyma, where the cells are arranged with regular air spaces or air chambers to facilitate diffusion of gases to provide buoyancy to aquatic plants such as lotus and water hyacinth.
Two functions of hydrophytes are
(i) It helps in the diffusion of oxygen, both in and out.
(ii) It provides buoyancy to aquatic plants.
Answered by | 16th Jun, 2014, 06:14: PM
- Why are mammals the most successful animals on Earth?
- Write four characteristics of a biotic community.
- State one difference between biotic community and ecosystem.
- Write adaptations of submerged, rooted hydrophytes.
- Describe habitat and ecological niche.
- Explain why very small animals are rarely found in polar regions.
- Bear hibernates whereas some species of zooplankton enter diapause to avoid stressful external conditions. How are these two ways different from each other?
- How do organisms cope with stressful external conditions which are localised or of short duration?
- How does the human body maintain constant temperature both in summers and winters? Explain.
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number