1. What are terrestrial plants ? Classify them giving one example of each group.
2. What are the characteristics of xerophytes ?
3. Name the types of aquatic plants. Give one example of each of the type.
Answers
1. Those plants which live on land are known as terrestrial plants . Example - Mango tree , Neem tree , Peeple tree , Orange tree etc.
2. Xerophyte survival characteristics:
Xerophyte survival characteristics:Thick cuticle.
Xerophyte survival characteristics:Thick cuticle.Stomatal closure.
Xerophyte survival characteristics:Thick cuticle.Stomatal closure.Reduction in # of stomata.
Xerophyte survival characteristics:Thick cuticle.Stomatal closure.Reduction in # of stomata.Stomata hidden in crypts or depressions in leaf surface (less exposure to wind and sun).
Xerophyte survival characteristics:Thick cuticle.Stomatal closure.Reduction in # of stomata.Stomata hidden in crypts or depressions in leaf surface (less exposure to wind and sun).Reduction in size of transpiration surface (lower leaf only).
Xerophyte survival characteristics:Thick cuticle.Stomatal closure.Reduction in # of stomata.Stomata hidden in crypts or depressions in leaf surface (less exposure to wind and sun).Reduction in size of transpiration surface (lower leaf only).Increased water storage.
3. Some plants like duckweed, green-alge, wolfia, water-hyacinth and pistia are some of the floating plants that float freely on top of the water. They are called floating plants.