CBSE Class 3 Subjects Practice Worksheet Set 01

Question 1. Write the names of the animals that live:
a. on trees
b. in holes or burrows
c. in water
d. both on land and water
Answer:
a. on trees: Monkey, Squirrel, Owl
b. in holes or burrows: Rabbit, Rat, Snake
c. in water: Fish, Whale, Dolphin
d. both on land and water: Frog, Crocodile, Turtle
In simple words: Different animals live in different habitats like trees, underground burrows, water, or both land and water.
Exam Tip: Memorize at least two common examples for each major animal habitat.

Question 2. Fill in the blanks.
a. Lizards, tortoise, turtles and crocodiles are collectively called ________.
b. Snakes and earthworms have no ________.
c. Houseflies have only ________ pair of wings.
d. Cows and buffaloes are ________ chewing animals.
e. The doctor for animals is called ________ doctor.
f. ________ and ________ eat flesh of other animals.
g. Bees suck the ________ of flowers to make honey.
h. ________ swims in water with the help of fins.
i. Turtles swim in water with the help of ________.
j. ________ have wings but it cannot fly.
Answer:
a. Lizards, tortoise, turtles and crocodiles are collectively called reptiles.
b. Snakes and earthworms have no legs.
c. Houseflies have only one pair of wings.
d. Cows and buffaloes are cud chewing animals.
e. The doctor for animals is called veterinary doctor.
f. Lions and tigers eat flesh of other animals.
g. Bees suck the nectar of flowers to make honey.
h. Fish swims in water with the help of fins.
i. Turtles swim in water with the help of flippers.
j. Ostriches (or Penguins) have wings but it cannot fly.
In simple words: Fill in each blank with the correct biological term or animal characteristic.

Exam Tip: Read each sentence carefully to check for singular and plural clues before filling in the blanks.

Question 3. Correct and rewrite the following statements.
a. Water lily and lotus grow in warm places.
b. Cactus plants grow in coastal areas.
c. Plants that are strong and big in size called herbs.
d. Stem prepare food for the plants.
e. We should cut trees to make earth a better place to live
f. Rose plant is a herb
Answer:
a. Water lily and lotus grow in water (aquatic habitats).
b. Cactus plants grow in deserts.
c. Plants that are strong and big in size called trees.
d. Leaves prepare food for the plants.
e. We should plant trees to make earth a better place to live.
f. Rose plant is a shrub.
In simple words: Identify the incorrect word in each statement and replace it with the scientifically accurate fact.

Exam Tip: Always verify plant types (herbs, shrubs, trees) and their habitats based on standard botanical definitions.

Question 4. Write a few lines about the following and give examples.
a. Cud chewing animals
b. Herbs
Answer:
a. Cud chewing animals: Animals like cows, buffaloes, and sheep first swallow their food quickly without chewing it completely. Later, they bring the swallowed food back into their mouths and chew it slowly for a long time to digest it properly. This partly digested food is called cud. Examples: Cow, Buffalo, Sheep.
b. Herbs: Herbs are very small plants with soft, green, and tender stems. They usually live for one or two seasons and do not grow very tall. Examples: Mint, Coriander, Grass.
In simple words: Cud chewers swallow and bring back food to chew later, while herbs are small plants with soft green stems.

Exam Tip: When writing short notes, always include a clear definition followed by two or three common examples to secure full marks.