CBSE Class 3 EVS Beautiful World Of Birds Worksheet

CBSE Class 3 EVS Practice Worksheets (104)-Beautiful world of Birds

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Fill in the blanks:

Question 1. ___________ are the only animals that have feathers.
Answer: Birds
In simple words: Only birds have feathers on their bodies.

Exam Tip: Remember that feathers are a unique feature of birds only.

Question 2. ___________ help the birds to change its direction during flight.
Answer: Tail feathers
In simple words: Birds use their tail feathers like a rudder to steer when they fly.

Exam Tip: Think of the tail as a steering wheel that helps birds turn in the air.

Question 3. Aquatic birds have ___________ that keep their feathers water proof.
Answer: oil glands
In simple words: Water birds have oil glands that make their feathers waterproof.

Exam Tip: Oil and water do not mix, which is why these glands keep water off.

Question 4. The home of a bird is called ___________.
Answer: nest
In simple words: A bird's home is called a nest.

Exam Tip: Write the word 'nest' in lowercase as it is a common noun.

Question 5. Birds build nest to ___________ and ___________ eggs.
Answer: lay, protect
In simple words: Birds make nests to lay and keep their eggs safe.

Exam Tip: Nests are used mainly to keep eggs and baby birds safe from danger.

Question 6. Woodpecker uses its ___________ to make hole in a tree trunk.
Answer: beak
In simple words: Woodpeckers use their strong beaks to tap holes in trees.

Exam Tip: A woodpecker has a strong, chisel-like beak for drilling wood.

Question 7. The materials tailor bird uses to make its nest are ___________, ___________ and ___________.
Answer: leaves, thread, grass
In simple words: Tailor birds use leaves, thread, and grass to stitch their nests.

Exam Tip: Tailor birds literally sew leaves together with plant fibers or spiderwebs.

Question 8. ___________ makes its nest on higher trees.
Answer: Eagle
In simple words: Eagles make their nests high up in very tall trees.

Exam Tip: High nests keep the baby birds safe from ground predators.

Question 9. Birds which spend most of their time in water are called ___________.
Answer: aquatic birds
In simple words: Birds that live mostly in water are called aquatic birds.

Exam Tip: Aquatic means living or growing in water, just like ducks.

Question 10. Weaver bird uses ___________ and ___________ to make its nest.
Answer: grass, twigs

In simple words: Weaver birds use grass and twigs to weave beautiful nests.

Exam Tip: Think of how we weave cloth; weaver birds do the same with grass.

Question 11. Birds bones are ___________ and filled with air.
Answer: hollow
In simple words: Birds have hollow bones filled with air to keep them light.

Exam Tip: Hollow bones are lightweight, which makes it much easier for birds to fly.

Question 12. Strong muscles that help the birds to move the wings up and down are called ___________.
Answer: flight muscles
In simple words: Flight muscles are strong muscles that move the wings.

Exam Tip: These muscles are attached to the bird's breastbone for strength.

Choose the correct answer:

Question 1. ___________ feather give shape to the bird's body.
(down feathers, flight feathers, body feathers)
Answer: body feathers
In simple words: Body feathers cover the bird and give its body a neat shape.

Exam Tip: Do not confuse body feathers with down feathers, which are just for warmth.

Question 2. Name of a bird which fly over short distances.
(sparrow, hen, pigeon)
Answer: hen
In simple words: Hens are heavy and can only fly very short distances.

Exam Tip: Birds with heavy bodies, like hens and peacocks, only fly short distances.

Question 3. ___________ is an example of flightless bird.
(cock, kiwi, bulbul)
Answer: kiwi
In simple words: The kiwi is a bird that cannot fly at all.

Exam Tip: Flightless birds have very small wings and heavy bones.

Question 4. Aquatic birds have ___________ that help them to swim.
(beaks, webbed toes, feathers)
Answer: webbed toes
In simple words: Webbed toes act like paddles to help water birds swim.

Exam Tip: Webbed toes have skin between the toes to push water back.

Question 5. ___________ bird sews its nest with its beak.
(weaver bird, sparrow, tailor bird)
Answer: tailor bird
In simple words: The tailor bird stitches leaves together to make its nest.

Exam Tip: Think of a tailor sewing clothes when you remember this bird.

Question 6. ___________ bird fly at low height.
(bulbul, vulture, pigeon)
Answer: bulbul
In simple words: Bulbuls are small birds that fly close to the ground.

Exam Tip: Small garden birds like the bulbul and sparrow always fly low.

Page 2

Name the following:

Question 1. Feather that keeps the birds body warm in a cold weather.
Answer: Down feathers
In simple words: Down feathers are fluffy and keep the bird warm.

Exam Tip: Down feathers act like a warm jacket close to the bird's skin.

Question 2. Name two birds which fly at great heights.
Answer: Eagle and Vulture
In simple words: Eagles and vultures can fly very high up in the sky.

Exam Tip: These birds have large wings that help them glide very high.

Question 3. Name any one of the flightless birds.
Answer: Ostrich
In simple words: The ostrich is a large bird that cannot fly.

Exam Tip: Ostrich, penguin, and kiwi are all good examples of non-flying birds.

Question 4. Name any two aquatic birds.
Answer: Duck and Swan
In simple words: Ducks and swans are common birds that live on water.

Exam Tip: Aquatic birds always have special features like webbed feet for swimming.

Question 5. Name the bird that makes its nest in tree trunks.
Answer: Woodpecker
In simple words: The woodpecker chisels a hole in a tree to make a home.

Exam Tip: They use their beak to carve out a cozy nest cavity inside wood.

Question 6. Name the bird that makes its nest with grass and twigs.
Answer: Weaver bird
In simple words: The weaver bird weaves its nest out of grass.

Exam Tip: They tie knots in grass strips to build a hanging nest.

Question 7. Name the bird that lay eggs in other bird's nest.
Answer: Koel (or Cuckoo)
In simple words: The koel lays its eggs in a crow's nest.

Exam Tip: This bird is lazy and does not build its own nest.

Match the following:

Write True or False and CORRECT THE FALSE STATEMENT:

Question 1. Body feathers help the bird to fly.
Answer: False.
Correct Statement: Flight feathers help the bird to fly.
In simple words: Body feathers only cover the body, but flight feathers do the flying.

Exam Tip: Read the names of the feathers carefully to understand what they do.

Question 2. Down feathers give shape to the bird’s body.
Answer: False.
Correct Statement: Body feathers give shape to the bird's body.
In simple words: Body feathers give the bird its shape, while down feathers keep it warm.

Exam Tip: Down feathers are very soft and fluffy, not stiff enough to give shape.

Question 3. The sparrow and the bulbul fly at low heights.
Answer: True.
In simple words: Sparrows and bulbuls are small and fly close to the ground.

Exam Tip: Small garden birds do not need to fly high in the sky.

Question 4. Kiwi and Ostrich are flying birds.
Answer: False.
Correct Statement: Kiwi and Ostrich are flightless birds.
In simple words: Kiwis and ostriches have wings but they cannot fly.

Exam Tip: These birds run fast on land instead of flying in the air.

Question 5. Vulture makes its nest in tree trunks.
Answer: False.
Correct Statement: Woodpecker makes its nest in tree trunks.
In simple words: Woodpeckers peck holes in tree trunks to make nests.

Exam Tip: Vultures usually make big stick nests on high tree branches or cliffs.

Give reason:

Question 1. Aquatic birds have oil glands in their body because ___________
Answer: they keep their feathers waterproof so they do not get wet.
In simple words: The oil stops water from soaking their feathers so they stay dry.

Exam Tip: Waterproof feathers help water birds stay dry, warm, and light in water.

Question 2. Aquatic birds have webbed toes because ___________
Answer: they act like paddles to help them swim in water.
In simple words: The flat, webbed feet push water back like small oars.

Exam Tip: Webbed skin acts as a wider paddle to push more water backward.

Question 3. A new born bird has a lot of down feathers because ___________
Answer: they keep the baby bird warm and safe.
In simple words: Baby birds need soft, warm feathers since they cannot fly yet.

Exam Tip: Newborns cannot control their body heat well, so down feathers protect them.

Question 4. Bird's has boat shaped body because ___________
Answer: it helps them cut through the air easily to fly.
In simple words: The smooth, pointed body shape lets them glide easily in air.

Exam Tip: A boat shape reduces air resistance, similar to an airplane.

Page 3

Answer the following:

Question 1. How do oil glands help the aquatic birds to live in water?
Answer: Oil glands give out a special oil. Birds rub this oil on their feathers with their beaks. This makes the feathers waterproof. Water rolls right off them, so the birds stay dry and warm in water.
In simple words: These glands give oil that stops feathers from getting wet. This keeps the bird warm and dry.

Exam Tip: Mention the term 'waterproof' as it is the most important word in this answer.

Question 2. Distinguish between the nest of a sparrow and a weaver bird.
Answer: A sparrow makes a simple cup-shaped nest in trees or houses using grass and leaves. A weaver bird weaves a complex, hanging nest with grass strips, featuring a tunnel entrance at the bottom.
In simple words: Sparrows make simple cup nests. Weaver birds weave fancy, hanging nests with tunnel doors.

Exam Tip: Contrast the simple cup shape of a sparrow's nest with the hanging, woven tube of a weaver bird's nest.

Label the parts of a bird:

Based on the diagram of the flying bird, here are the labeled parts from top to bottom:
* Eye
* Beak
* Wing / Flight Feathers
* Claw / Feet
* Tail / Tail Feathers

Write the names of any four birds, where they makes nest and the materials used for it: