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CBSE Class 10 Science Our Environment MCQ Quiz with Answers

Free PDF Download of CBSE Class 10 Science Chapter 15Our Environment Multiple Choice Questions with Answers. MCQ Questions for Class 10 Science with Answers were Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Our EnvironmentMultiple Choice Questions with Answers to know their preparation level.

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Our Environment Class 10 MCQ Quiz Online

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1. Every food chain in the ecosystem begins with……….which are the original source of food.


2. We should reduce the use of the plastic bags, bottles etc. because:


3. Among the following choose the correct option which contains only biodegradable items?
i. Wood, paper, PVC
ii. Paper, seeds, detergent,
iii. Paper, animal excreta, wood
iv. Wool, leaves, paper


4. Which among the following statements is incorrect in view of the plants?


5. Green plants utilize ……… percent of sun’s energy to prepare their food by the process of photosynthesis?


6. Which among the following is a correct full form for DDT?


7. If 100 J energy is available at the producer level in a food chain then the energy available to the secondary consumer will be


8. Which of the following radiations is responsible for the conversion of atmospheric oxygen to ozone?


9. What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger


10. Global warming is a phenomenon related to:


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