Class 4 Science Chapter 2 Test 1 Updated: 11 Jun 2022 376 Welcome to your Class 4 Science Chapter 2 Test 1 1. An abiotic component of an ecosystem is Micro organisms Animals Plants water 2. Which of the following as a biotic component of ecosystem? Water Air Fire Plants 3. Which of the following is not an abiotic component of an environment Plants Air Water Light 4. The non-living component of an ecosystem is called _______ components. Biotic Abiotic Both a & b None of these 5. The collection of abiotic and biotic components of an environment is called ____________ Desert Forest Ecosystem Lake 6. The living and non – living components of an environment ______ with each other. Destruct Interact Social None of these 7. Which of the following is the non-living component of an environment? Hen Plants Sunlight Birds 8. Temperature, air, water, light and soil are called _________ components of an ecosystem. Biotic Abiotic Both a & b None of these 9. Sunlight is abiotic component of the environment like Temperature Herbivores Plants Mammals 10. The largest desert of the world is ______. Cholistan Thal Sahara None of these 11. The component of ecosystem is/are. Biotic Abiotic Both a & b None of these 12. The desert located in Mianwali and Bhakkar in Pakistan is called ______ Cholistan Thal Sahara None of these 13. An example of abiotic components of an environment are Soil Temperature Air All of these 14. The living component of an ecosystem are called _________ component. Biotic Abiotic Both a & b None of these 15. The desert located in southern parts of Punjab is called ________ Cholistan Thal Sahara None of these Time's up
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