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.
Without producers (plants), consumers would have…
- A.More water
- B.Too much food
- C.No food to eat
- D.New homes
2.
Why is even a small insect important in nature?
- A.It has no use
- B.It is food for others and part of the chain
- C.It is too small to matter
- D.It eats nothing
3.
In 'grass to deer to tiger', the deer eats the…
- A.Sun
- B.Tiger
- C.Rock
- D.Grass
4.
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
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.
The arrows in a food chain point in the direction the ___ goes.
- A.Wind
- B.Energy (food)
- C.Rain
- D.Light
9.
A camel's habitat is the…
- A.Polar ice
- B.Ocean
- C.Desert
- D.River bed
10.
The natural home of a plant or animal is called its…
- A.Habitat
- B.School
- C.Shop
- D.Toy
11.
Predators help nature by…
- A.Building nests
- B.Killing all plants
- C.Making rain
- D.Keeping prey numbers in check
12.
Prey animals often stay safe by…
- A.Sleeping all day
- B.Running fast or hiding
- C.Singing loudly
- D.Standing still forever
13.
Plants make their food using…
- A.Stones
- B.Meat
- C.Other plants
- D.Sunlight, water and air
14.
Animals that eat plants or other animals are called…
- A.Rocks
- B.Producers
- C.Consumers
- D.Soil
15.
Every living thing in nature is…
- A.Completely alone
- B.Connected to others
- C.A machine
- D.A rock
Section B — Challenge / Olympiad (2 marks each)
5 × 2 = 10 marks
16.
A pond drying up is a problem for frogs because it destroys their…
- A.Habitat
- B.Colour
- C.Sound
- D.Name
17.
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
18.
If hunters remove all the tigers from a forest, deer may become so many that they…
- A.Turn into tigers
- B.Disappear at once
- C.Eat up all the plants
- D.Stop eating
19.
The Sun is important to producers because it gives…
- A.Light to make food
- B.Meat
- C.Water only
- D.Soil
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) No food to eat
- (B) It is food for others and part of the chain
- (D) Grass
- (C) Hear danger and run from predators
- (B) Who eats whom
- (B) Its body suits cold, not heat
- (B) Predator
- (B) Energy (food)
- (C) Desert
- (A) Habitat
- (D) Keeping prey numbers in check
- (B) Running fast or hiding
- (D) Sunlight, water and air
- (C) Consumers
- (B) Connected to others
Section B — Challenge / Olympiad (2 marks each)
- (A) Habitat
- (B) Eats the other
- (C) Eat up all the plants
- (A) Light to make food
- (D) Predator to insects, prey to the snake
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