CBSE Class 3 EVS The World Of Animals Worksheet

CBSE Class 3 EVS Practice Worksheets (102)-The World of Animals

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A. Fill in the Blanks

Question 1. Some fishes have _______________ on its body.
Answer: scales
In simple words: Fish have scales to cover their bodies.

Exam Tip: Remember that scales protect a fish's skin under water.

Question 2. _______________ and _______________ are not fish, though they have tails and fins.
Answer: Whales, dolphins
In simple words: Whales and dolphins look like fish, but they are mammals.

Exam Tip: Even with tails and fins, whales and dolphins breathe air, so they are not fish.

Question 3. _______________ are soft creatures without legs.
Answer: Earthworms
In simple words: Earthworms are soft animals with no legs.

Exam Tip: Look at the pictures at the bottom of the worksheet to find animals without legs.

Question 4. Insects use _______________ to feel and smell.
Answer: antennae
In simple words: Insects use their antennae to feel and smell.

Exam Tip: Antennae are like an insect's nose and hands.

Question 5. _______________ cannot hear and swallow food without chewing.
Answer: Snakes
In simple words: Snakes swallow their food whole and do not chew.

Exam Tip: Snakes do not have ears to hear or teeth for chewing food.

Question 6. Some birds like _______________ and _______________ cannot fly.
Answer: ostrich, penguin
In simple words: Penguins and ostriches are birds that cannot fly.

Exam Tip: Flightless birds are also listed in Part B of this worksheet.

Question 7. _______________ and _______________ have sharp beaks to tear the flesh of animals.
Answer: Eagles, hawks
In simple words: Eagles and hawks use sharp beaks to tear meat.

Exam Tip: Birds of prey need sharp, hooked beaks to eat meat.

Question 8. _______________ treats pets and farm animals.
Answer: A veterinarian
In simple words: A vet is a doctor for pets and farm animals.

Exam Tip: Learn the spelling of 'veterinarian' or write 'vet' for short.

B. Write True or False

Question 1. All animals have some common features.
Answer: True
In simple words: True, all animals share some basic features.

Exam Tip: Think of basic life processes like breathing to understand what all animals share.

Question 2. Dolphins are fishes and they lay eggs.
Answer: False
In simple words: False, dolphins are mammals and give birth to live babies.

Exam Tip: Dolphins have fins like fish but they are actually mammals.

Question 3. Monkeys, chimpanzees and gorillas have babies and feed on their mother's milk.
Answer: True
In simple words: True, these animals feed their babies with mother's milk.

Exam Tip: Animals that feed their babies milk are called mammals.

Question 4. Birds like kiwi, penguin and ostrich cannot fly.
Answer: True
In simple words: True, these birds cannot fly.

Exam Tip: Ostrich and penguin are excellent examples of flightless birds.

Question 5. The shape of a birds beak depends on the place where they live.
Answer: False
In simple words: False, the shape depends on the food they eat.

Exam Tip: Different beaks are shaped to help birds catch, crack, or tear their specific food.

C. What are These? Where Do They Live?

Question C(i). What is this animal and where does it live?

Answer: This animal is a starfish. It lives in salt water inside oceans and seas.
In simple words: This is a starfish. It lives in the sea.

Exam Tip: Make sure to specify that starfish live in marine habitats like oceans.

Question C(ii). What is this animal and where does it live?

Answer: This animal is a snail. It can live on land in gardens and forests, or in wet places like ponds.
In simple words: This is a snail. It lives on moist land and in gardens.

Exam Tip: Remember that snails need wet or damp places to survive on land.

Question C(iii). What is this animal and where does it live?

Answer: This animal is an earthworm. It lives underground in wet, dark soil.
In simple words: This is an earthworm. It lives underground in the soil.

Exam Tip: Recall that earthworms live inside the soil to stay wet and safe.