Question

Which of the following is an example of floating plants?

• A. Water hyacinth
• B. Lotus
• C. Hydrilla
• D. Vallisneria

Answer 1

The correct option is A

Water hyacinth

The correct option is A:

Explanation of the correct option :

1. Water hyacinths are groups of plants that float freely on the surface of the water.
2. Water hyacinths have adaption to be present in water like the presence of aerenchyma.

Explanation of the incorrect option:

Option B:

1. In the Lotus plant, the roots are fixed and attached to the soil present at the bottom of the pond.
2. While its leaves and flowers are found floating on the surface of the water.

Option C:-

1. Hydrilla is an obligate aquatic plant that usually is attached to the bottom of a body of water.
2. They can't be considered free-floating plants.

Option D:-

1. Vallisneria is a submerged hydrophyte.
2. It is a dioecious plant in which the flowers are borne under the water.

Final answer:

An example of a floating plant is Water hyacinth.