Heat and Energy Exe-6D Long Answer Concise Physics ICSE Class-9 Selina Publishers. There is the solutions of Long Answer type Questions of your latest textbook which is applicable in 2024-25 academic session. Visit official Website CISCE for detail information about ICSE Board Class-9.
Heat and Energy Exe-6D Long Answer Type
Concise Physics ICSE Class-9 Selina Publishers.
| Board | ICSE |
| Class | 9 |
| Subject | Physics |
| Writer / Publication | Concise Selina Publishers |
| Chapter-6 | Heat and Energy |
| Exe-6D | Greenhouse Effect and Global Warming |
| Topics | Solution of Exe-6(D) Long Answer Type |
| Academic Session | 2024-2025 |
Exercise- 6D Greenhouse Effect and Global Warming
page -162
Long Answer :
Q1- State, in detail, the cause of global warming.
Ans- Following are causes of global warming: 1- Deforestation – plants absorb CO2 that is one of the potent greenhouse gas. 2- Fossils fuel-burning – Automobiles exhaust that contains greenhouse gases 3- Use of chemical fertilizers – Industries exhaust that contains greenhouse gases
Q2- What technologies measures are necessary to minimise the impact of global warming?
Ans- Three technological measures are necessary to minimise the impact of global warming 1- Use of renewable sources of energy for generation of electricity instead of generating electricity from fossil fuel-based power plants 2- Use of battery operated vehicles such as electric cars, bikes and scooters. 3- Use of bio-char stoves for cooking.
Q3- What policy measure should the government enforce in order to minimise global warming?
Ans- The policy measures that the government should enforce in order to minimise global warming are :
1- Educating children to live a sustainable lifestyle — We need to educate the children that genuine happiness lies in a less competitive and more cooperative society. Consuming more and buying more must not be the aim of life.
2- Controlling population through family planning, welfare reforms and empowerment of women.
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