ECOLOGY MCQs for UPSC & UPPCS

Practice ECOLOGY questions for UPSC, UPPCS and State PCS examinations through focused General Studies MCQ practice.

66 MCQs Available

7 Question Sets

ECOLOGY MCQs for UPSC & UPPCS

Prepare ECOLOGY as part of Environment for UPSC Civil Services, UPPCS and other State PCS examinations. Topic-wise MCQ practice can help you revise important concepts and assess your preparation.

StudyAgora provides focused ECOLOGY questions so aspirants can practise a specific area of the General Studies syllabus instead of relying only on broad mixed quizzes.

There are currently 66 MCQs across 7 question sets for this topic.

Sample ECOLOGY Questions

A preview of ECOLOGY MCQs with answers and explanations.

Q1. Which of the following best describes an ecosystem?

A community of only living organisms
A community of organisms interacting with each other and their physical environment
A group of organisms belonging to the same species
A geographical region having a similar climate

Correct Answer: A community of organisms interacting with each other and their physical environment

An ecosystem includes both biotic components, such as plants, animals and microorganisms, and abiotic components, such as air, water, soil, temperature and sunlight.

Q2. Which one of the following best describes a producer in an ecosystem?

An organism that obtains energy by consuming other organisms
An organism capable of synthesising organic matter from inorganic substances
An organism that decomposes dead organic matter
An organism occupying the highest trophic level

Correct Answer: An organism capable of synthesising organic matter from inorganic substances

Producers or autotrophs manufacture organic compounds from inorganic substances, primarily through photosynthesis. They generally form the first trophic level of an ecosystem.

Q3. Which of the following is an example of an abiotic component of an ecosystem?