Willer Academy

Class V Environment Test

Subject: Science

Chapter: Our Environment

Time: 30 Minutes

M.M: 25

📝 Instructions:

• Read all questions carefully.
• Choose the single correct answer for each question.
• Each question carries 1 mark.
• There are no negative marks for incorrect answers.
• Click the submit button when you have completed the test.

Question 1 of 25

1 What does the word 'environment' include?

a) Only plants and animals

b) Only the air we breathe

c) Everything around us, both living and non-living

d) Only the water in rivers and oceans

2 Which of the following is a natural component of our environment?

a) Buildings

b) Roads

c) Mountains

d) Cars

3 All the living organisms in a given area, together with their physical environment, form a/an:

a) Habitat

b) Ecosystem

c) Food chain

d) Community

4 Which of these is an example of a terrestrial (land-based) ecosystem?

a) Pond

b) Ocean

c) Forest

d) Lake

5 What are organisms that make their own food called?

a) Consumers

b) Herbivores

c) Producers

d) Decomposers

6 Green plants are producers because they:

a) Eat other plants

b) Make their own food through photosynthesis

c) Depend on animals for food

d) Decompose dead matter

7 Which of the following is a primary consumer?

a) Tiger

b) Frog

c) Grasshopper

d) Eagle

8 A series of organisms, each feeding on the next, showing the transfer of energy is called a:

a) Food web

b) Energy cycle

c) Food chain

d) Environment circle

9 What is the role of decomposers like fungi and bacteria in an ecosystem?

a) They produce food for everyone

b) They break down dead plants and animals into simpler substances

c) They are the top predators

d) They provide oxygen

10 Which material takes the longest to decompose naturally?

a) Vegetable peel

b) Paper

c) Plastic bag

d) Cotton cloth

11 What is the main cause of air pollution in cities?

a) Planting more trees

b) Burning of fossil fuels by vehicles and factories

c) Using solar energy

d) Rainwater

12 Which of these is a renewable resource?

a) Coal

b) Petroleum

c) Sunlight

d) Natural Gas

13 Throwing plastic waste in water bodies can harm:

a) Only the water

b) Only the fish

c) The aquatic plants and animals

d) Only the banks of the river

14 The process of collecting used materials and processing them to make new products is called:

a) Reducing

b) Reusing

c) Recycling

d) Refusing

15 Which of the following is an example of reusing?

a) Making a notebook from old newspapers

b) Using a glass jar to store pulses

极狐c) Turning off the tap while brushing teeth

d) Making compost from kitchen waste

16 What is the full form of the '3 R's' that help in conserving the environment?

a) Read, Write, Recite

b) Reduce, Reuse, Recycle

c) Run, Rest, Relax

d) Respect, Rebuild, Restore

17 What is compost?

a) A type of chemical fertilizer

b) A decaying mixture of organic matter used as plant fertilizer

c) A type of pesticide

d) A kind of plastic

18 Which of these is a biodegradable waste?

a) Aluminum can

b) Glass bottle

c) Fruit scraps

d) Plastic toy

19 The layer of gas that protects us from the sun's harmful ultraviolet rays is called the:

a) Nitrogen layer

极狐 b) Oxygen layer

c) Ozone layer

d) Carbon dioxide layer

20 Which human activity is a major threat to the survival of many animals?

a) Building wildlife sanctuaries

b) Deforestation

c) Planting trees

d) Using jute bags

21 A place where waste is buried under the ground is called a:

a) Park

b) Landfill

c) Garden

d) Playground

22 Using a cloth bag instead of a plastic bag is an example of:

a) Recycling

b) Reducing

c) Reusing

d) All of the above

23 Which of these is a non-renewable resource?

a) Wind

b) Water (if used sustainably)

c) Soil

d) Coal

24 What is the primary source of energy for all food chains on Earth?

a) Water

b) Moon

c) Sun

d) Soil

25 Why is it important to conserve our environment?

a) To ensure we have enough resources for the future.

b) To maintain the balance of nature.

c) To protect plants and animals from extinction.

d) All of the above

Your score: 0/25

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