Adaptations of Fish

Q.

How a deer is adapted to live in forest and grassland habitat?

Q.

What is common to whales, seals and sharks?

1. Thick subcutaneous fat

2. Homoiothermy

3. Seasonal migration

4. Convergent evolution

Q.

Match the following:
$\begin{array}{cccc}& \text{Animals}& & \text{Breathing organs}\\ 1.& \text{Dolphin}& \text{A.}& \text{Lungs}\\ 2.& \text{Human}& \text{B.}& \text{Skin}\\ 3.& \text{Fish}& \text{C.}& \text{Blowhole}\\ 4.& \text{Earthworm}& \text{D.}& \text{Gills}\end{array}$

1. 1- c; 2- a; 3- d; 4-b.

2. 1- d; 2- a; 3- c; 4-b.

3. 1- d; 2- a; 3- b; 4-c.

4. 1- c; 2- a; 3- b; 4-d.

Q.

Fish which eradicates the mosquito larvae is

1. Anabus

2. Rohu

3. Gambusia

4. Cuttlefish

Q. Which of the following adaptations can help a deer escape from being attacked by its predators?

1. Eyes located below the forehead
2. Padded paws
3. Long and free moving ears
4. Long legs with tapering hooves

Q.

Which of the following organisms have a streamlined body that helps them move easily in water?

1. All of these

2. Sward fish

3. Cat fish

4. Dolphin

Q.

What is/are the function(s) of the scales present on fish?

1. To reduce the weight of the fish.

2. To help in swift movement in the water.

3. To reduce friction.

4. Prevent rotting and decaying.

Q. What is the significance of fishes in our lives?

Q. What do the given pictures depict?

1. Hibernation
2. Predation
3. Migration
4. Camouflage

Q.

Which of the following is an example for adaptation?

1. Excretion

2. Camouflage

3. Reproduction

4. Respiration

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 poorly developed.

4. Leaves lack stomata.

Q.

Which of the following adaptations help the aquatic organism in water?

1. Small size and small eyes

2. Streamlined body and webbed feet

3. Oily body and scale on body

4. Long and strong body

Q.

Which of the following types of mosquitoes lay eggs only on fresh still water?

1. Aedes

2. Anopheles

3. Both Aedes and Anopheles

4. None of these

Q.

Give two examples of each:

A.Marine animals.

B.Desert animals.

Q.

Fast breathing is an adaptation seen in

1. Terrestrial animals

2. Desert animals

3. Aquatic animals

4. Arboreal animals

Q. Animals can live for a short while without oxygen but cannot live without food and water.

1. True
2. False

Q.

Can a humpback whale swallow a human?

Q.

We take in oxygen present in air through our lungs. Fishes take in oxygen dissolved in water through their________.

1. Lungs

2. Gills

3. Skin

4. Gall bladder

Q.

Color-changing skin helps chameleons blend in, stand out to potential mates and intimidate rivals. Is this a form of adaptation?

1. Yes

2. No

Q. Select the part of the fish, which helps it change direction while swimming.

1. 
2. 
3. 
4. 
5. 

Q.

“Hiding out in plain sight or blend in with the surroundings and hard to see” refers to _________.

1. Magic

2. Aestivation

3. Camouflage

4. Hibernation

Q. Fishes take in oxygen through their _____________.

1. eyes
2. mouth
3. gills
4. tails

Q. Fishes take in oxygen through their _____________.

1. eyes
2. mouth
3. gills
4. tails

Q. Which among the following is responsible for breathing in fishes?

1. Gills
2. Skin
3. Lungs
4. Trachea

Q. Phylum Nemathelminthes includes these very common organisms, some of which are parasitic and most of which are often found in soil. Which of the following is it?

1. Flatworms
2. Segmented worms
3. Roundworms
4. Earthworms

Q.

Fishes respire through the lungs.

1. True

2. False

Q. Fishes have a streamlined body which helps them to swim.

1. True
2. False

Q. The leaves of all aquatic plants float on the surface of water.
Is the above statement true or false?

1. True
2. False

Q. How do dolphins and whales breathe underwater?

Q. How are fish adapted for living in water?