Everyday Science Test 02

Total Questions: 30

1 - What is an ecosystem?

A ) System of non living thing is an environment
B ) Area having a group of living and dead things
C ) System of living things in an environment
D ) Collection of abiotic and biotic components in an area ✅

2 - All the biotic components are:

A ) Animals
B ) Producers
C ) Living things ✅
D ) Non living things

3 - Food chain:

A ) Begins at a producer ✅
B ) Begins at a consumer
C ) Begins at a decomposer
D ) Ends at a producer

4 - For the conservation of the ecosystem:

A ) Forests are being out
B ) Roads are being built
C ) Tree plantation is being done ✅
D ) Factories are being installed

5 - To control the population of insects, if insecticides are used then the population of birds will

A ) Increase
B ) Decrease ✅
C ) Decrease first and then will increase
D ) Increase first then will decrease

6 - Every living thing lives in a particular:

A ) Colony
B ) Community
C ) Environment ✅
D ) Place

7 - Tigers live in.

A ) Water
B ) Forest ✅
C ) Snow
D ) Pond

9 - Which of the following is an aquatic plant?

A ) Herbs
B ) Shrubs
C ) Algae ✅
D ) Climbers

10 - The living things which depend on plants for their food:

A ) Consumers ✅
B ) Producers
C ) Decomposers
D ) Herbivores

11 - Example of decomposer is:

A ) Algae
B ) Bacteria ✅
C ) Plant
D ) Animal

12 - Example of decomposer is:

A ) Algae
B ) Bacteria ✅
C ) Plant
D ) Animal

13 - The.....is the main source of energy in ecosystems:

A ) Light
B ) Water
C ) Sun ✅
D ) Food

14 - Oxygen is used by animals for:

A ) Burning
B ) Respiration ✅
C ) Energy
D ) Walking

15 - Self sustaining and durable ecosystem is called:

A ) Balanced ecosystem ✅
B ) Unbalanced ecosystem
C ) Forest
D ) Food chain

16 - Plants make their food with the help of water and:

A ) Air
B ) Soil
C ) Sunlight ✅
D ) Temperature

17 - Components of ecosystem are:

A ) 1
B ) 2 ✅
C ) 3
D ) 4

18 - The living components of ecosystem are:

A ) Biotic ✅
B ) Abiotic
C ) Living
D ) Non living

19 - The non living components of ecosystem are:

A ) Non living
B ) Abiotic ✅
C ) Water
D ) Air

20 - Which of the following animal is carnivore?

A ) Horse
B ) Eagle ✅
C ) Squirrel
D ) Grasshopper

21 - Which of the following is an example of omnivore?

A ) Man ✅
B ) Rabbit
C ) Plant
D ) Cow

22 - In grassland all the herbivores compete for:

A ) Food
B ) Energy
C ) Grass ✅
D ) Water

23 - Links of food chain are:

A ) 1
B ) 2
C ) 3 ✅
D ) 4

24 - Who polluted the environment and water?

A ) Birds
B ) Human beings ✅
C ) Trees
D ) Waste

25 - Wildlife parks have been made to save the habits if various:

A ) Animals
B ) Birds
C ) Species ✅
D ) Plants

26 - Awareness is being created to save the environment and:

A ) Land
B ) Habitat ✅
C ) Home
D ) Water

27 - The living things which make their own food:

A ) Producers ✅
B ) Consumers
C ) Decomposers
D ) Herbivores

28 - Living things are.......for each other:

A ) Need
B ) Essential ✅
C ) Important
D ) Necessary

29 - The birds which can't fly:

A ) Insect
B ) Tiger
C ) Ostrich ✅
D ) Lion

30 - The ostrich runs with a speed of.....per hour

A ) 76km
B ) 60km
C ) 80km
D ) 70km ✅