Vidaara.orgClass 3 · Mathematics
CodeVID-M3-WS
Food Chains & Habitats — Practice Worksheet
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Choose the correct option (A, B, C or D) for each question.
- The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each)
15 × 1 = 15 marks
1.
Where does the energy in every food chain first come from?
- A.The soil
- B.The Moon
- C.The Sun
- D.The wind
2.
A deer's big ears and quick legs help it to…
- A.Climb trees
- B.Cook food
- C.Hear danger and run from predators
- D.Swim fast
3.
The habitat of a fish is…
- A.A desert
- B.Water
- C.A tree top
- D.The sky
4.
Every living thing in nature is…
- A.Completely alone
- B.Connected to others
- C.A machine
- D.A rock
5.
A food chain shows…
- A.How to cook
- B.Who eats whom
- C.How to draw
- D.How to swim
6.
Why can a polar bear not live in a desert?
- A.It is too small
- B.Its body suits cold, not heat
- C.It eats sand
- D.It cannot walk
7.
An animal that hunts other animals for food is a…
- A.Producer
- B.Predator
- C.Plant
- D.Rock
8.
Without producers (plants), consumers would have…
- A.More water
- B.Too much food
- C.No food to eat
- D.New homes
9.
Why are green plants the start of most food chains?
- A.They are tall
- B.They make food that others eat
- C.They are green
- D.They never move
10.
If all the frogs in a pond died, the number of insects would…
- A.Increase a lot
- B.Stay zero
- C.Disappear
- D.Turn to plants
11.
We can help keep nature in balance by…
- A.Protecting plants and animals
- B.Cutting all trees
- C.Hunting for fun
- D.Polluting water
12.
A camel's habitat is the…
- A.Polar ice
- B.Ocean
- C.Desert
- D.River bed
13.
In 'grass to deer to tiger', the deer eats the…
- A.Sun
- B.Tiger
- C.Rock
- D.Grass
14.
The animal that is hunted is called the…
- A.Producer
- B.Predator
- C.Prey
- D.Sun
15.
Plants make their own food, so they are called…
- A.Consumers
- B.Producers
- C.Eaters
- D.Hunters
Section B — Challenge / Olympiad (2 marks each)
5 × 2 = 10 marks
16.
Bees help nature by carrying pollen between flowers. If bees vanished, many plants would make fewer…
- A.Fruits and seeds
- B.Rocks
- C.Clouds
- D.Rivers
17.
Why do different habitats have different kinds of animals?
- A.Animals dislike travel
- B.Animals choose colours
- C.All habitats are the same
- D.Each animal's body suits its own habitat
18.
In a food chain, energy passes from one living thing to the next when one…
- A.Looks at the other
- B.Eats the other
- C.Sleeps
- D.Sings
19.
A mushroom cannot make its own food. So it is a…
- A.Rock
- B.Producer
- C.Sun
- D.Consumer
20.
An animal can be both predator and prey. A frog eats insects but is eaten by a snake. So the frog is…
- A.A plant
- B.Only a predator
- C.Only prey
- D.Predator to insects, prey to the snake
Answer Key
Section A — Multiple Choice (1 mark each)
- (C) The Sun
- (C) Hear danger and run from predators
- (B) Water
- (B) Connected to others
- (B) Who eats whom
- (B) Its body suits cold, not heat
- (B) Predator
- (C) No food to eat
- (B) They make food that others eat
- (A) Increase a lot
- (A) Protecting plants and animals
- (C) Desert
- (D) Grass
- (C) Prey
- (B) Producers
Section B — Challenge / Olympiad (2 marks each)
- (A) Fruits and seeds
- (D) Each animal's body suits its own habitat
- (B) Eats the other
- (D) Consumer
- (D) Predator to insects, prey to the snake
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