Class 5 Living Science Ratna Sagar
Tick the correct answers
A frog is an amphibian, because it can live:
a) on land and in water (Correct Answer)
b) only in water
c) none of these
B) Whales and dolphins are classified as:
a) mammals (Correct Answer)
b) reptiles
c) amphibians
C) This animal has scales on its body:
a) fish (Correct Answer)
b) zebra
c) ostrich
D) This bird cannot fly:
a) crow
b) duck
c) ostrich (Correct Answer)
E) Locusts are harmful migratory:
a) rodents
b) insects (Correct Answer)
F) The solen uses its legs as:
a) antennae
b) graders
Write short answers
- Why do animals need to take in oxygen?
Answer:- Animals need oxygen to release energy from food to stay alive.
- Why do animals need to move?
Answer:- Animals move to search for food, protect themselves, and find shelter.
- What is the difference in the way a tadpole and a frog breathe?
Answer:- A tadpole breathes through gills, while an adult frog breathes through lungs on land and from moist skin in water.
- What are the characteristic features of teeth in herbivores?
Answer:- Herbivores have sharp front teeth for biting and broad teeth for chewing plants.
- Why do some animals migrate?
Answer:- Animals migrate to escape harsh weather, search for food, and reach breeding grounds.
Answer these questions
- Name a few animals found around you. Write one characteristic feature of each animal.
Answer:-
Dog: Faithful animal
Cow: Herbivore
Cat: Catches rats
Sparrow: Can fly
2. How is the breathing process of an insect different from that of a fish?
Answer:- Insects breathe through spiracles and air tubes (trachea) while fish breathe through gills.
3. What special features help water animals to move?
Answer:- Water animals move with the help of fins, flippers, tails, and streamlined bodies.
4. How do insects move?
Answer:- Insects move by walking on six legs and many can also fly using wings.
5. Snakes are reptiles without any legs. How do they move?
Answer:- Snakes move by crawling on the ground.
Think and answer
- Which of these is really a fish? (silverfish / starfish / jellyfish)
Answer:- None of these is a real fish.
2. What is the difference between an owl and an ostrich?
Answer:- An owl is a bird that can fly. It has strong wings and is mostly active at night. An ostrich is the largest bird in the world. It cannot fly because its wings are small. It has long powerful legs and can run very fast.
3. A bat and a bird can fly, yet they are different from each other. How?
Answer:- A bat is a mammal. It gives birth to young ones and feeds them milk, whereas a bird lays eggs, has feathers, and has wings covered with feathers.
4. A dolphin lives in water whereas a monkey lives on land, yet they are similar to each other in at least one respect. What is it?
Answer:- A dolphin and a monkey are both mammals. They breathe through lungs, give birth to young ones, and feed their babies with milk. Therefore, they are similar even though they live in different habitats.