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 9
Define the term 'food web'.
Describe the impact of human activities on ecosystems.
Describe the structure of a typical forest ecosystem.
Explain how energy flows through an ecosystem.
Explain the difference between a food chain and a food web.
Explain the importance of decomposers in maintaining the balance of an ecosystem.
Explain the role of consumers in an ecosystem.
Explain why energy decreases at each successive trophic level in a food chain.
Which of the following best describes a food chain? (1) A network of interconnected food webs (2) A sequence of organisms each dependent on the next as a source of food (3) The total number of organisms in an ecosystem (4) The process of photosynthesis
Which of the following is a decomposer? (1) Cow (2) Fungi (3) Grass (4) Eagle
Which of the following is a man-made ecosystem? (1) Forest (2) Pond (3) Aquarium (4) Desert
Which of the following is a primary consumer? (1) Lion (2) Grasshopper (3) Eagle (4) Bacteria
Fill in the blank: The non-living components of an ecosystem are called _______ factors.
Fill in the blank: The organisms that break down dead plants and animals are called _______.
Fill in the blank: The process by which green plants make their own food using sunlight is called _______.
Fill in the blank: The process by which water, carbon, nitrogen, and other elements are recycled in nature is called _______ cycling.
True or False: All ecosystems have the same structure and function.
True or False: All producers are green plants.
True or False: Carnivores are always at the top of the food chain.
True or False: Decomposers play a vital role in recycling nutrients in an ecosystem.
