Name the sub-aerial stem modification seen in free floating aquatic plants. How does it help in vegetative propagation? Answer : Ans: Off-set is the sub-aerial modified stem seen in free floating hydrophytes. It is brittle and has leaves and roots at its only node. When broken accidentally, it is separated from parent plant and can lead independent life. ...
Pneumatophores occur in (1) Halophytes (2) Free-floating hydrophytes (3) Carnivorous plants (4) Submerged hydrophytes Answer : (1) Halophytes...
Enumerate the morphological adaptations of Hydrophytes. Answer : Ans: 1. Roots are either absent (Wolffia, Ceratophyllum) or poorly developed (Hydrilla). Rooted hydrophytes have root caps but not others. Free floating hydrophytes may have Root pockets as ... upper surface in Nymphaea, Victoria, Nelumbo. Swollen and spongy petioles in Eichhornia and Trapa. ...
Define communities? Who classified plant communities into hydrophytes, mesophytes and xerophytes. Answer : Ans: Community is a group of different species living under same climatic conditions. They are classified by Warming based on dependence on water...
What are hydrophytes? Which type of tissue is responsible for buoyancy in hydrophytes? Answer : Ans: Plants that live in water or water rich soils are called as hydrophytes. The tissue that helps in buoyancy is Aerenchyma. ...
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