Class 10th Science Chapter – 13 Our Environment
| Textbook | NCERT |
| Class | 10th |
| Subject | Science |
| Chapter | 13th |
| Chapter Name | Our Environment |
| Category | Class 10th Science |
| Medium | English |
| Source | Last Doubt |
| Class 10th Science Chapter – 13 Our Environment MCQ with Answer In This Chapter We Will Read About What is environment 10 lines?, What is the environment in short notes?, What is the importance of environment in our life?, What is environment about 5 lines?, What is environment in English 5 points?, How to save nature 10 points?, What is environment in 300 words?, What is environment class 7 in short?, What is a environment full essay?, How can we save the environment 20 points?, What is environmental class 6?, What are 100 ways to save the environment? and Much More. |
Class 10th Science Chapter – 13 Our Environment
Chapter – 13
Our Environment
MCQ
| 1. The driving force of any ecosystem is A. Carbohydrates B. Solar energy C. Biomass D. ATP Answer- (B) Solar energy |
| 2. Kitchen wastes can be hygienically disposed of through A. Dumping B. Composting C. Incineration D. Recycling Answer – (B) Composting |
| 3. Environment includes A. Land, air, water B. Light, temperature, rainfall C. Plants, animals, microbes D. All of these Answer – (D) All of these |
| 4. Which of the following is a linear arrangement of organisms? A. Food chain B. Food web C. Trophic levels D. Community Answer – (A) Food chain |
| 5. An agricultural cropland is A. A biome B. A natural ecosystem C. An artificial ecosystem D. None of these Answer – (C) An artificial ecosystem |
| 6. What is the order of the waste management hierarchy, from most to least favoured? A. Prevention-Recycle-Reuse-Disposal B. Prevention-Reuse-Disposal-Recycle C. Prevention-Disposal-Reuse-Recycle D. Prevention-Reuse-Recycle-Disposal Answer – (D) Prevention-Reuse-Recycle-Disposal |
| 7. Problem of solid waste disposal can be reduced through A. Recycling B. Lesser pollution C. More timber D. Population control Answer – (A) Recycling |
| 8. An environment-friendly practice is A. Using CFLs at homes and offices B. Using the car to go to nearby places C. Using AC in every room D. Burning plastics Answer – (A) Using CFLs at homes and offices |
| 9. Which of the following limits the number of trophic levels in a food chain? A. Water B. Polluted air and water C. Deficient food supply D. Decrease in energy at higher trophic levels Answer – (D) Decrease in energy at higher trophic levels |
| 10. The cleaners of nature are A. Producers B. Consumers C. Herbivores D. Decomposers Answer – (D) Decomposers |
| 11. Ozone hole may cause A. Mutations B. Global warming C. Skin cancer D. All of these Answer – (D) All of these |
| 12. In a food chain, the third trophic level is always occupied by A. Carnivores B. Herbivores C. Producers D. Decomposers Answer – (A) Carnivores |
| 13. The biotic components of an ecosystem consist of A. Plants and animals B. Algae and fungi C. Producers, consumers & decomposers D. Air, water, soil Answer – (C) Producers, consumers & decomposers |
| 14. Which of the following could be incinerated? A. Paper B. Medicine bottles C. Needle of the syringe D. All of the above Answer – (C) Needle of the syringe |
| 15. The harmful chemical which is accumulating in human beings through the food chain is A. BHC B. DDT C. Abscisic acid D. CFC Answer – (B) DDT |
| 16. Carnivores represent A. Primary consumers B. Reducers C. Phytoplanktons D. Secondary and tertiary consumers Answer – (D) Secondary and tertiary consumers |
| 17. Which of the following constitutes a food chain? A. Grass, goat and human B. Goat, cow and elephant C. Grass, fish and zebra D. Grass, wheat and apple Answer – (A) Grass, goat and human |
| 18. Biodegradable wastes include A. Aluminium foils B. Glass bottles C. Pesticides D. Wood shavings Answer – (D) Wood shavings |
| 19. What is the most expensive component of solid waste handling? A. Collection B. Storage C. Treatment D. Separation Answer – (A) Collection |
| 20. Which of the following statement regarding recycling is wrong? A. Saves precious resources B. Require stable market C. Improves efficiency of treatment processes D. Increases the need for mining virgin materials Answer – (D) Increases the need for mining virgin materials |
| NCERT Solution Class 10th Science All Chapters MCQ |
| NCERT Solution Class 10th Science All Chapters Notes |
| NCERT Solution Class 10th Science All Chapters Question & Answer |
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