Resources Book Back Questions 7th Social Science Lesson 14
7th Social Science Lesson 14
14] Resources
Book Back Questions with Answer and Do You Know Box Content
Do You Know?
Kamuthi solar power project is one of the largest solar power projects in the world. It is situated in Ramanathapuram District in Tamil Nadu. The Kamuthi solar power project was completed on 21st September 2016. Investment of this project is around 4,550 Crores. The installed capacity of this project is 648 MW.
Three Gorges Dam in China is the largest hydroelectricity project in the world. Its construction started in 1994 and ended in 2012. The installed capacity of the dam is 22,000MW.
Most of the coal deposited that we use now, where formed about 300 million years ago. Much of the earth was covered with steamy swamps. As the plants and trees are dead, their remains were buried underneath the swamps. Eventually, they were transformed into coal beneath the ground due to excessive heat and pressure.
Choose the best answers:
1. Which one of the following is renewable resource?
(a) Gold
(b) Iron
(c) Petrol
(d) Solar Energy
2. Where is the largest solar power project situated in India?
(a) Kamuthi
(b) Aralvaimozhi
(c) Muppandal
(d) Neyveli
3. Which is one of the first metals known and used by man?
(a) Iron
(b) Copper
(c) Gold
(d) Silver
4. _______________ is one of the indispensable minerals used in electrical and electronics Industry.
(a) Limestone
(b) Mica
(c) Manganese
(d) Silver
5. Electricity produced from coal is called _____________
(a) Thermal Power
(b) Nuclear power
(c) Solar power
(d) Hydel power
Fill in the blanks:
1. _____________ is the largest producer of hydro-electricity.
2. Iron ores found at _____________ in Tamil Nadu.
3. _____________ is produced from bauxite ore.
4. ____________ is used in making electrical batteries.
5. Petroleum and its derivatives are called ____________
Match the following:
1. Renewable resource – Iron
2. Metallic resource – Mica
3. Non-metallic resource – Wind energy
4. Fossil fuel – Sedimentary rock
5. Limestone – Petroleum
Consider the following the statements and tick the appropriate answer:
1. Assertion (A): Wind power is Clean Energy.
Reason (R): Wind turbines do not produce any emissions.
(a) A and R are correct and R explains A
(b) A and R are correct but R does not explain A
(c) A is incorrect but R is correct
(d) Both A and R are incorrect
2. Assertion (A): Natural gas is found with petroleum deposits.
Reason (R): It can be used as a domestic and industrial fuel.
(a) A and R are correct and R explains A
(b) A and R are correct but R does not explain A
(c) A is incorrect but R is correct
(d) Both A and R are incorrect
Answers:
Choose the best answers:
1. Solar Energy 2. Kamuthi 3. Copper 4. Mica 5. Thermal power
Fill in the blanks:
1. China 2. Kanjamalai 3. Aluminium 4. Manganese 5. Black Gold
Match the following:
1.Wind Energy 2. Iron 3. Mica 4. Petroleum 5. Sedimentary Rock
Consider the following the statements and tick the appropriate answer:
1.A and R are correct and R explains A
2.A and R are correct and R explains A