Ecosystem -Multiple Choice Questions Quiz

Interactive MCQs on “Ecosystem”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is an ecosystem?

(a) A group of organisms belonging to the same species
(b) A community of various organisms interacting with the physical environment
(c) A single organism in a habitat
(d) A group of populations belonging to different species

Question 2: Which component of an ecosystem includes all living organisms inhabiting a particular area?

(a) Abiotic factors
(b) Producers
(c) Biotic factors
(d) Decomposers

Question 3: Which term refers to the process by which green plants and some other organisms use sunlight to synthesize foods with the help of carbon dioxide and water?

(a) Photosynthesis
(b) Respiration
(c) Decomposition
(d) Fermentation

Question 4: Which group of organisms forms the foundation of most terrestrial ecosystems by converting sunlight into chemical energy?

(a) Herbivores
(b) Carnivores
(c) Producers
(d) Decomposers

Question 5: Which component of an ecosystem includes non-living factors such as sunlight, temperature, water, and soil?

(a) Biotic factors
(b) Consumers
(c) Decomposers
(d) Abiotic factors

Question 6: Which type of ecosystem is characterized by low temperatures, permanently frozen subsoil, and a short growing season?

(a) Tropical rainforest
(b) Tundra
(c) Desert
(d) Grassland

Question 7: Which term refers to the complex network of interconnected food chains in an ecosystem?

(a) Food web
(b) Biotic cycle
(c) Decomposition chain
(d) Ecological pyramid

Question 8: Which group of organisms primarily feeds on dead plant and animal matter, playing a crucial role in nutrient recycling within an ecosystem?

(a) Producers
(b) Consumers
(c) Decomposers
(d) Predators

Question 9: Which level of the ecological pyramid contains the highest energy and biomass in an ecosystem?

(a) Producers
(b) Primary consumers
(c) Secondary consumers
(d) Tertiary consumers

Question 10: Which term describes the process by which water is continuously exchanged between the atmosphere, land, and oceans in an ecosystem?

(a) Carbon cycle
(b) Water cycle
(c) Nitrogen cycle
(d) Oxygen cycle