Ecosystem

Q. The living components in the environment are called components.

1. biotic
2. abiotic
3. ecological
4. artificial

Q. Choose the incorrect statement about the ecosystem.

1. Abiotic components cannot exist without the biotic components.
2. Biotic components cannot exist without the abiotic components.
3. Abiotic components rely completely on the biotic components for their nutrition.
4. The biotic components are more in volume than the abiotic components.

Q.

Write a short note on the desert ecosystem.

Q.

Give names of any four birds which you expect to see in a forest.

Q. Choose the two types of ecosystems that exist on Earth.

1. Terrestrial and forest
2. Air and aquatic
3. Terrestrial and aquatic
4. Terrestrial and air

Q. Identify the correct statement(s) from the ones given below.

1. All plants and animals depend on their immediate surroundings.
2. All plants and animals depend on each other.
3. Relationships between living organisms and their surroundings, form an ecosystem.
4. Ecosystem cannot exist in a small pond.

Q. Identify the places that can be called an ecosystem.

1. River
2. Lake
3. Mountain
4. Desert

Q. Identify the places that can support an ecosystem.

1. Grasslands
2. Rainforests
3. Ponds
4. Small ponds

Q. Frogs are amphibians. Which ecosystem do they belong to?

1. Aquatic ecosystem
2. Neither aquatic nor terrestrial
3. Both aquatic and terrestrial
4. Terrestrial ecosystem

Q. Which of the following are good examples of what allows us to classify something as an ecosystem?

1. Collision of two oxygen molecules in isolation
2. Animals consuming plants
3. Humans constructing buildings and shelters
4. Dead plants decomposing

Q. Identify the places that can be called an ecosystem.

1. Rivers
2. Lakes
3. Mountains
4. Deserts