Science Quiz for Class 5

What is an ecosystem?

• A group of only plants

• A group of only animals

• A community of living and non-living things that interact with each other

• A type of soil

Which of the following is a non-living component of an ecosystem?

• Plants

• Animals

• Water

• Birds

What is the role of plants in an ecosystem?

• They produce food through photosynthesis

• They eat other animals

• They break down dead organisms

• They provide shelter

Which of these is an example of a freshwater ecosystem?

• Ocean

• Pond

• Desert

• Forest

What do decomposers do in an ecosystem?

• Make food

• Break down dead plants and animals

• Provide oxygen

• Eat other animals

Which of the following is an example of a biotic component?

• Sunlight

• Soil

• Fish

• Water

Animals that eat only plants are called:

• Carnivores

• Herbivores

• Omnivores

• Decomposers

Which of the following is an abiotic factor in a forest ecosystem?

• Trees

• Birds

• Rocks

• Deer

Which type of ecosystem is characterized by sandy soil and very little rainfall?

• Desert

• Forest

• Grassland

• Wetland

What is the primary source of energy for all ecosystems?

• Wind

• Water

• The Sun

• Soil