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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How can you help in reducing the problem of waste disposal? Give any two methods |
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Answer» We can help in reducing the problem of waste disposal by these methods: `rarr` By separating biodegradable substances from non-biodegradable substances. `rarr`By reducing, reusing and recycling non-biodegradable substances. |
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| 2. |
Which of the following groups contain only biodegradable items?A. (a) Grass, flowers and leatherB. (b) Grass, wood and plasticC. (c) Fruit-peels, cake and lime-juiceD. (d) Cake, wood and grass |
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Answer» (c) Fruit-peels, cake and lime-juice (d) Cake, wood and grass |
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| 3. |
One of the following helps in the recycling of materials in an ecosystem. This one is :A. autotrophsB. saprotrophsC. omnivoresD. carnivores |
| Answer» Correct Answer - B | |
| 4. |
Which of the following are decomposers of dead organisms ?A. `{:("Bacteria",,"Fungi",,"Viruses"),("no",,"yes",,"yes"):}`B. `{:("Bacteria",,"Fungi",,"Viruses"),("yes",,"no",,"yes"):}`C. `{:("Bacteria",,"Fungi",,"Viruses"),("yes",,"yes",,"no"):}`D. `{:("Bacteria",,"Fungi",,"Viruses"),("yes",,"yes",,"yes"):}` |
| Answer» Correct Answer - C | |
| 5. |
___ wastes can be broken down into simpler substances by decomposers. |
| Answer» biodegradable | |
| 6. |
Gardens and ____are artificial ecosystems. |
| Answer» Correct Answer - crop fields | |
| 7. |
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as :A. eutrophicationB. pollutionC. biomagnificationD. accumulation |
| Answer» Correct Answer - C | |
| 8. |
How would these advantages differ from the advantages of using a long- term perspective in managing our resources ? |
| Answer» Exploiting the nature resources with short-term aims be too much beneficial for the present generation but no resources will be left for the needs of future generations. On the other hand, the management of natural resources on a long-term perspective will meet the basic needs of the present genarations and also ensure that sufficient natural resources are left for the needs of future generations. | |
| 9. |
What is the main function of ozone layer of the atmosphere ? |
| Answer» Ozone absorbs ultraviolet rays from sunlight , protecting us from its harmful effects. | |
| 10. |
Which of the following are environment-friendly practices?A. (a) Carrying cloth-bags to put purchases in while shoppingB. (b) Switching off unnecessary lights and fansC. (c) Walking to school instead of getting your mother to drop you on her scooterD. (d) All of the above |
| Answer» (d) All of the above | |