Biodiversity, the variety of life on Earth, is a critical topic not just for environmentalists but also for those preparing for competitive exams like the Combined Defence Services (CDS). Understanding biodiversity and its related concepts is essential for aspirants aiming to excel in the General Knowledge section. Here, we’ve curated a set of important Multiple Choice Questions (MCQs) on biodiversity to aid your preparation.

Understanding the Question: The first step in effectively solving biodiversity MCQs is to thoroughly understand the question. Pay close attention to keywords such as “biodiversity,” “ecosystem,” “species richness,” or “threats.” These keywords provide clues about the specific aspect of biodiversity being tested, helping you narrow down your options.

Analyzing Answer Choices: Carefully analyze each answer choice provided. Eliminate options that are clearly incorrect or unrelated to the question. Look for subtle differences among the remaining choices, especially if the question involves concepts like ecosystem services, threats to biodiversity, or measures of biodiversity.

Recalling Key Concepts: To excel in biodiversity MCQs, it’s essential to have a strong grasp of key concepts. Review fundamental principles such as the importance of biodiversity, major threats to biodiversity, ecosystem services provided by biodiversity, and measures of biodiversity (e.g., species richness, species evenness). Build a solid foundation of knowledge through regular study and practice.

Applying Contextual Knowledge: Some biodiversity MCQs may require you to apply contextual knowledge or make connections between different concepts. For example, if a question mentions deforestation as a threat to biodiversity, you should understand its implications for habitat loss, species extinction, and ecosystem disruption. Drawing on real-world examples and case studies can enhance your understanding and improve your ability to answer such questions.

Practicing with Mock Tests: Mock tests are invaluable resources for CDS aspirants preparing for the General Knowledge section, including biodiversity MCQs. Incorporate mock tests into your study routine to simulate exam conditions and assess your progress. Pay attention to time management, accuracy, and areas where you need improvement. Analyze your mistakes and use them as learning opportunities to strengthen your knowledge and skills.

Seeking Clarification: If you encounter biodiversity-related concepts that are challenging to understand, don’t hesitate to seek clarification from reliable sources. Consult textbooks, reference materials, online resources, or subject matter experts to clarify doubts and deepen your understanding. Clearing up misconceptions early on can prevent confusion during the exam and improve your performance.

Conclusion: Mastering biodiversity MCQs is essential for CDS aspirants aiming to excel in the General Knowledge section. By employing effective strategies such as understanding the question, analyzing answer choices, recalling key concepts, applying contextual knowledge, practicing with mock tests, and seeking clarification when needed, you can enhance your readiness and confidence. With dedication, persistence, and strategic preparation, you’ll be well-equipped to tackle biodiversity-related questions and achieve success in the CDS exam. Keep striving for excellence, and best of luck with your preparation!

Which of the following is a measure of biodiversity?
a) The number of endangered species
b) The total land area of a country
c) The average annual temperature of a region
d) The variety of species within an ecosystem
Answer: D

What is the main cause of biodiversity loss worldwide?
a) Deforestation
b) Climate change
c) Overfishing
d) Pollution
Answer: A

Which of the following is an example of an ecosystem service provided by biodiversity?
a) Generating electricity
b) Filtering air pollutants
c) Manufacturing automobiles
d) Building skyscrapers
Answer: B

Which term refers to the number of different species in a given area?
a) Biome
b) Habitat
c) Ecosystem
d) Species richness
Answer: D

Which of the following is NOT a major threat to marine biodiversity?
a) Ocean acidification
b) Coral bleaching
c) Urbanization
d) Overfishing
Answer: C

For more questions refer to video & pdf attached