Aquatic Habitats

Q.

What is a group of fish called?

Q.

What are the different types of aquatic habitats? Explain. [3 MARKS]

Q. Which of the following are characteristics of aquatic animals?

1. Aquatic animals have gills to breathe underwater.
   
2. The neck is reduced and external ears are disappeared.
3. Aquatic animals have streamlined body for effective navigation in water.
4. None of the above.

Q. Sea animals like dolphins and whales breathe through their _____.

1. gills
2. blowholes
3. skin
4. spiracles

Q. Rivers, ponds and lakes are all examples of ____habitat.

1. ocean
2. aquatic
3. terrestrial
4. mountain

Q. Animals during summer season undergo summer sleep. This is known as

1. Both A and R are correct and R explains A
2. Both A and R are correct but R does not explain A
3. A is correct but R is incorrect
4. Both A and R are incorrect

Q. Which of the following is/are sources of fresh water?

1. Ocean
2. Lake
3. Pond
4. River

Q.

Question 22

Mention one adaptation present in the following animals.

(a) In camels to keep their bodies away from the heat of sand.

(b) In frogs to enable them to swim.

(c) In dolphin and whales to breathe in air when they swim near the surface of water.

Q.

Which feature in a fish helps in maintaining buoyancy?

1. Fins

2. Lungs with air sacs

3. Hollow bones

4. Swim bladder

Q.

The habitat of plants and animals that live in water is called ________ .

1. Extra-terrestrial habitat

2. Desert habitat

3. Aquatic habitat

4. Terrestrial habitat

Q. Which of the following is not an example of a freshwater habitat?

1. Lake
2. Pond
3. Sea
4. River

Q. The habitat of plants and animals that live in water is called _____ habitat.

1. aquatic
2. terrestrial
3. desert
4. polar

Q. Some aquatic animals have a thick layer of fat. Where do you think seals store their fat?

1. In their livers
2. In their tails
3. In their flippers
4. Under their skin

Q. Which of the following plant/tree is not terrestrial ?

1. Pines
2. Lily
3. Oaks
4. Cactus

Q.

Question 3

Boojho comes across an animal having a stream-lined and slippery body. What is the habitat of the animal?
(a) Water
(b) Desert
(c) Grassland
(d) Mountain

Q.

Which body part of an elephant doesn't consist of any bones?

1. Tusk

2. Leg

3. Head

4. Trunk

Q. Which of the following qualifies as an aquatic habitat?

1. Oceans
2. Both B and C
3. Lakes
4. Forests

Q.

In sea, all the plants and animals are surrounded by __ water.

Q.

Oceans, ponds and lakes are types of __habitat.

Q.

Which of these is known to be the smallest fish in the world?

1. Gold Fish

2. Phillipine Goby Fish

3. Tiny Karp Fish

4. Pygmy Fish

Q.

Which one of these animals does not belong to an aquatic family?

1. 

2. 

3. 

4. 

Q. In order to stay buoyant, some aquatic animals have a thick layer of fat. Where do you think seals store their fat?

1. In their livers
2. In their tails
3. Under their skin
4. In their flippers

Q.

The above picture is depicting an _______ habitat.

Q.

Boojho comes across an animal having a stream-lined and slippery body. What is the habitat of the animal?

1. Water

2. Desert

3. Grassland

4. Mountain

Q. Which ecosystem is depicted in above picture?

1. Terrestrial ecosystem
2. Grassland ecosystem
3. Aquatic ecosystem
4. None of the above

Q.

In seas, all the plants and animals are surrounded by __ water.

Q.

Classify the following into biotic or abiotic elements of a habitat. [5 MARKS]

$\begin{array}{cc}\text{S.No}& \text{Element}\\ 1& \text{Bacteria}\\ \text{2}& \text{Dog}\\ \text{3}& \text{Humidity}\\ \text{4}& \text{Temperature}\\ \text{5}& \text{Water}\end{array}$

Q. What are some examples of adaptations found in frogs?

Q. Which of the following plants are adapted to live in mountains?

1. Cactus plant
2. Pine tree
3. Tulsi plant
4. Banana plant

Q. Which of these are the functions of roots?

1. Absorption of water and inorganic nutrients
2. Anchoring of the plant body to the ground, and supporting it
3. Photosynthesis
4. Transpiration