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.
We can help keep nature in balance by…
- A.Protecting plants and animals
- B.Cutting all trees
- C.Hunting for fun
- D.Polluting water
2.
A habitat gives an animal its…
- A.Clothes
- B.Homework
- C.Toys
- D.Food, water and shelter
3.
The arrows in a food chain point in the direction the ___ goes.
- A.Wind
- B.Energy (food)
- C.Rain
- D.Light
4.
Predators help nature by…
- A.Building nests
- B.Killing all plants
- C.Making rain
- D.Keeping prey numbers in check
5.
Most food chains begin with a…
- A.Rock
- B.Lion
- C.Plant
- D.Cloud
6.
The natural home of a plant or animal is called its…
- A.Habitat
- B.School
- C.Shop
- D.Toy
7.
The animal that is hunted is called the…
- A.Producer
- B.Predator
- C.Prey
- D.Sun
8.
Predators usually have sharp ___ to catch prey.
- A.Teeth and claws
- B.Wheels
- C.Books
- D.Leaves
9.
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
10.
Animals that eat plants or other animals are called…
- A.Rocks
- B.Producers
- C.Consumers
- D.Soil
11.
A camel's habitat is the…
- A.Polar ice
- B.Ocean
- C.Desert
- D.River bed
12.
Without producers (plants), consumers would have…
- A.More water
- B.Too much food
- C.No food to eat
- D.New homes
13.
Where does the energy in every food chain first come from?
- A.The soil
- B.The Moon
- C.The Sun
- D.The wind
14.
A lion hunting a deer is the…
- A.Plant
- B.Prey
- C.Producer
- D.Predator
15.
A cow eating grass is a…
- A.Consumer
- B.Producer
- C.Rock
- D.Cloud
Section B — Challenge / Olympiad (2 marks each)
5 × 2 = 10 marks
16.
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
17.
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
18.
A pond drying up is a problem for frogs because it destroys their…
- A.Habitat
- B.Colour
- C.Sound
- D.Name
19.
Why is the order 'tiger to deer to grass' wrong?
- A.The arrows should point from food to eater
- B.Tigers eat grass
- C.Grass eats deer
- D.It is too short
20.
A mushroom cannot make its own food. So it is a…
- A.Rock
- B.Producer
- C.Sun
- D.Consumer
Answer Key
Section A — Multiple Choice (1 mark each)
- (A) Protecting plants and animals
- (D) Food, water and shelter
- (B) Energy (food)
- (D) Keeping prey numbers in check
- (C) Plant
- (A) Habitat
- (C) Prey
- (A) Teeth and claws
- (A) Increase a lot
- (C) Consumers
- (C) Desert
- (C) No food to eat
- (C) The Sun
- (D) Predator
- (A) Consumer
Section B — Challenge / Olympiad (2 marks each)
- (D) Predator to insects, prey to the snake
- (C) Eat up all the plants
- (A) Habitat
- (A) The arrows should point from food to eater
- (D) Consumer
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