Ecosystems
Geography ⇒ Environmental Geography
Ecosystems starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Ecosystems.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
Define an ecosystem and explain its main components.
Describe the impact of human activities on ecosystems with one example.
Describe the role of decomposers in maintaining the stability of an ecosystem.
Describe the role of sunlight in an ecosystem.
Explain how invasive species can affect native ecosystems.
Explain the concept of 'carrying capacity' in an ecosystem.
Explain the difference between food chain and food web.
Explain the difference between primary and secondary consumers with examples.
Which of the following best describes a climax community? (1) The first stage of succession (2) A stable, mature community (3) A community with only one species (4) A community with no consumers
Which of the following is a characteristic of a desert ecosystem? (1) High rainfall (2) Dense vegetation (3) Low biodiversity (4) Abundant water bodies
Which of the following is a freshwater ecosystem? (1) Ocean (2) Pond (3) Desert (4) Grassland
Which of the following is a function of decomposers in an ecosystem? (1) Producing food (2) Breaking down dead matter (3) Consuming producers (4) Fixing nitrogen
Fill in the blank: The organisms that feed on both plants and animals are called _______.
Fill in the blank: The process by which water moves from the surface of the Earth to the atmosphere is called _______.
Fill in the blank: The process of gradual replacement of one community by another in an ecosystem is called _______.
Fill in the blank: The total amount of living material present in an ecosystem at a given time is called _______.
State whether the following statement is true or false: All ecosystems have the same level of biodiversity.
State whether the following statement is true or false: All energy entering an ecosystem is eventually lost as heat.
State whether the following statement is true or false: Decomposers play a vital role in nutrient cycling within an ecosystem.
State whether the following statement is true or false: Inverted pyramids of biomass are found in some aquatic ecosystems.
