Class 10 Science Chapter 13 – Our Environment is a very important chapter from the Biology section of the CBSE syllabus. This chapter focuses on the environment, ecosystem, food chains, food webs, trophic levels, energy flow, and environmental problems. Questions from this chapter are frequently asked in board examinations, especially MCQs and competency-based questions, making MCQs Online Tests an essential part of exam preparation.
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Importance of Class 10 Science Our Environment MCQs Online Test
The Our Environment MCQs Online Test helps students revise the entire chapter in a short time. MCQs are designed to check conceptual clarity and understanding of ecological relationships. Online tests also allow students to practice under time constraints, similar to the real board exam environment.
Regular MCQ practice improves accuracy, speed, and confidence, which are key factors for scoring high marks in Class 10 Science.
Important Topics Covered in MCQs
MCQs from Class 10 Science Chapter 13 Our Environment usually cover the following topics:
- Ecosystem and its components
- Biotic and abiotic factors
- Food chain and food web
- Trophic levels
- Energy flow in an ecosystem
- 10% law of energy transfer
- Biological magnification
- The ozone layer and its depletion
- Waste management and biodegradable vs non-biodegradable substances
These topics are concept-based and frequently appear in MCQs and assertion–reason questions.
Benefits of Online MCQs Test
- Instant score with answer key
- Helps identify weak concepts
- Improves conceptual understanding
- Ideal for quick revision before exams
- Based on the latest CBSE exam pattern
Practicing MCQs regularly strengthens environmental concepts, improves exam performance, and helps students score better marks in the CBSE Class 10 Science board examination.