Question

Give two examples of each :

(a) Aquatic plants submerged in water:

(b) Aquatic plants on the surface of the water:

(c) Amphibians:

(d) Aquatic mammals:

(e) Desert plants:

Answer 1

(a) Aquatic plants submerged in water:

1. Aquatic submerged plants are those plants that grow completely under the water and the roots are in the sediment.
2. Hydrilla, Vallisneria, etc are examples of aquatic submerged plants.

(b) Aquatic plants on the surface of the water:

1. Aquatic surface plants are those plants whose root system is submerged underwater and the shoot system floats on the surface of the water.
2. Lotus, water hyacinth, etc are examples of aquatic surface plants.

(c) Amphibians:

1. Amphibians are organisms that can live on land as well as underwater.
2. Salamander, frog, etc are examples of amphibians.

(d) Aquatic mammals:

1. Aquatic mammals are sea animals that give birth to the young ones and consist of mammary glands.
2. Examples of aquatic mammals include dolphins and whales.

(e) Desert plants:

1. Desert plants are plants that grow in dry habitats and store water in their leaf tissues to reduce transpiration.
2. Examples of desert plants include cactus and prickly pears.