Types of Aquatic Plants

Q. Which of the following is not a function of the root system in a plant?

1. Holding plant upright
2. Absorbing sunlight
3. Absorbing water
4. Absorbing minerals

Q. The presence of hollow and spongy stems filled with air are adaptations seen in __________.

1. desert plants
2. mountainous plants
3. aquatic plants
4. mangrove plants

Q.

Which of the following are examples of a submerged plant?

1. Waterlily

2. Hydrilla

3. Water hyacinth

4. Vallisneria

Q.

Aquatic plants undergo some modifications to adapt to this habitat. List any three.

Q.

Give adaptative features of aquatic plants which help them to survive in water.

Q.

Why in floating plants, roots are reduced and the stem is thin and flexible?

Q.

Aquatic plants have small roots that keep them fixed to the soil.

1. True

2. False

Q.

Why are the roots of aquatic plants short and fibrous?

Q. Hydrilla is an example for

1. Desert plant
2. Aquatic plant
3. Terrestrial plant
4. All of the above

Q.

What is the function of Holdfast?

Q.

The cactus stem becomes _______ so as to store water.

1. hard

2. spongy

3. porous

Q.

In freshwater plants, roots are well-developed, as water is available in plenty.

1. True
2. False

Q.

Which among the following options is a submerged plant?

1. Water hyacinth

2. Water lily

3. Vallisneria

4. Buttercup

Q.

Which is not a type of aquatic plant?

1. Floating

2. Fixed

3. Liverwort

4. Submerged

Q.

Which of these plants is usually have weak-stems with numerous air spaces or wax-coated leaves?

1. Mesophytes

2. Xerophytes

3. Bryophytes

4. Hydrophytes

Q. List some features of Hydrilla that helps them to survive under water. (3 marks)

Q. Briefly mention the function of roots for the aquatic plants.

Q. Hydrilla is an example for

1. Desert plant
2. Aquatic plant
3. Terrestrial plant
4. All of the above

Q. Which of the following is not a function of the root system in a plant?

1. Absorbing water
2. Absorbing minerals
3. Absorbing sunlight
4. Holding plant upright

Q. The plants shown below are called:

1. 
2. 
3. 
4. 

Q.

Aquatic plants have small roots that keep them fixed to the soil.

1. True

2. False

Q. Explain in detail how plants and animals adapt themselves to survive in aquatic habitat.

Q.

Which of the following is an example of a submerged plant?

1. Lotus

2. Buttercup

3. Water Hyacinth

4. Vallisneria

Q. Which of the following is not a function of the root system in a plant?

1. Holding plant upright
2. Absorbing minerals
3. Absorbing sunlight
4. Absorbing water

Q.

Most of the terrestrial plants are

1. Xerophytes

2. Hydrophytes

3. Mesophytes

4. Bryophytes

Q.

Which of the following is an adaptation of floating plants?

1. The stem is very rigid and hard.

2. Leaves are absent

3. Roots are very poorly developed.

4. Leaves lack stomata.

Q.

Give three features of hydrophytes.

Q. Which of the following is not a function of the root system in a plant?

1. Absorbing water
2. Absorbing minerals
3. Holding plant upright
4. Absorbing sunlight

Q. Which of the following is not a function of the root system in a plant?

1. Absorbing minerals
2. Absorbing sunlight
3. Holding plant upright
4. Absorbing water