Adaptations in Aquatic Animals

Q.

What are adaptations of aquatic plants?

Q.

______________ animals live in water.

1. Terrestrial
2. Aquatic
3. Arboreal
4. Aerial

Q. Which of the following animals can survive both on land as well as in water?

1. 
2. 
3. 
4. 

Q. do prawns have gills

Q. Which group of animals have webbed toes as an adaptative feature?

1. Desert animals
2. Flying insects
3. Aquatic animals
4. Grassland animals

Q. Name the adaptation in aquatic plants

Q. Frogs can survive in water as they can breathe underwater using their:

1. lungs
2. skin
3. nose
4. fins

Q. Presence of the gills in fishes help them in:

1. breathing underwater
2. storing food
3. floating
4. absorbing nutrients

Q. Which of the following characteristics help a frog swim?

1. Webbed toes
2. Slippery and smooth skin
3. Gills and fins
4. Traingular head

Q.

________ can live both on land and in water.

Q. Fishes absorb the oxygen dissolved in water through their:

1. skin
2. gills
3. lung
4. fins

Q. Which of the following help fish maintain the depth at which they swim?

1. Lungs
2. Gills
3. Air bladders
4. Scales

Q. Blowholes in whales are similar in function to the human .

1. ear
2. nose
3. heart

Q.

Toads have tiny legs and hence they take tiny leaps whereas frogs have longer legs and they take longer leaps.

1. True

2. False

Q.

Do fish get thirsty?

Q.

Pick the odd-one-out from each of the groups given below on the basis of respiratory organs. Give a reason for your answer.

1. Lizard

2. Cow

3. Earthworm

4. Snake

Q. What is branchial respiration?

Q. ___ are supplied with blood vessels for exchange of gases in fishes.

1. Tail
2. Fins
3. Gills
4. Scales

Q. In fishes it takes place through ___(i)__ and in insects through the __(ii)__.

1. (i) gills (ii) lungs
2. (i) lungs (ii) skin
3. (i) fins (ii) lungs
4. (i) gills (ii) tracheae

Q. Which of the following statement about frogs is incorrect?

1. Belongs to class Amphibia.
2. Lay eggs in water.
3. Breathe through gills.
4. Three-chambered heart.

Q. In fishes, ______ help in the absorption of oxygen dissolved in water.

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

Q.

Identify the errors in the given statement. Circle the incorrect word and write the correct word in the blank.

Gills helps fish to utilise carbon dioxide dissolved in water. ___

Q.

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

1. They reduce body weight.

2. They prevent rotting and decaying.

3. They help in changing direction.

4. They help in oxygen absorption.

Q. In fishes, ______ help in the absorption of oxygen dissolved in water.

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

Q. In fishes it takes place through ___(i)__ and in insects through the __(ii)__.

1. (i) gills (ii) lungs
2. (i) lungs (ii) skin
3. (i) fins (ii) lungs
4. (i) gills (ii) tracheae

Q. Presence of the gills in fishes help them in:

1. breathing underwater
2. storing food
3. absorbing nutrients
4. floating

Q. Humans can live only on land but a frog can live both on land as well as in water. How do they make it possible?

1. They have gills that help them to breathe in water.

2. Their moist skin help to take in oxygen dissolved in water.

3. They have lungs that help them to breathe when they are in water.

4. Only tadpoles can breathe in water and not adult frog.

Q. Which group of animals have webbed toes as an adaptative feature?

1. Flying insects
2. Aquatic animals
3. Grassland animals
4. Desert animals

Q. An organism X has a spindle-shaped body and scales on its skin. These type of adaptations are observed in _________ animals.

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