Adaptations in Vallisneria

Q.

A lotus plant has

1. needle-like leaves.

2. broad leaves.

3. very thin leaves.

4. long leaves.

Q.

Which of the following is/are the adaptations of Eichronia?

1. The leaves have a bulbous stem below each leaf

2. The leaves are thin

3. The leaves are long

4. The roots are poorly developed

Q.

Which of the following is not an adaptation of a water lily?

1. Long leaf-stalks filled with air spaces.

2. Broad leaves with an oily/waxy coating.

3. Presence of stomata only on the surface facing the air.

4. Roots that are small in size.

Q.

All of the following are true regarding the adaptations seen in Vallisneria except:

1. It's roots are small in size.

2. It's root system is deep-rooted and extensive.

3. It's stem is hollow and light.

4. It's leaves are thin, elongated, and ribbon-like.

Q. Match the following.

Q.

Why are the leaves of Vallisneria thin and long?

1. To help the leaves grow faster
2. To help the leaves float in water
3. To minimize the damage by strong water currents
4. To maximize the absorption of sunlight

Q.

what are the adaptations of casuarina trees?

Q. Which of the following is not an adaptation of leaves in submerged aquatic plants?

1. Flexible leaves
2. Rigid leaves
3. Long leaves
4. Thin leaves

Q.

Why are the leaves of Vallisneria thin and long?

1. To help the leaves grow faster
2. To help the leaves float in water
3. To minimize the damage by strong water currents
4. To maximize the absorption of sunlight

Q.

All of the following are true regarding the adaptations seen in Vallisneria except:

1. It's roots are small in size.

2. It's root system is deep-rooted and extensive.

3. It's stem is hollow and light.

4. It's leaves are thin, elongated, and ribbon-like.