Resources Book Back Questions 6th Social Science Lesson 12
6th Social Science Lesson 12
12] Resources
Book Back Questions with Answer and Do You Know Box Content
Do you Know?
Anything becomes a resource only when its use is discovered. The needs of human beings are ever changing. According to the ever changing needs, resources keep changing. Time and Technology are two important factors that determine whether a substance is a resource or not. For example: Sun’s energy to generate electricity was made possible after the invention of solar panels (technology) ; and the receding of coal and petrol was in need of an inexhaustible resource (time) .
Marine yeast has greater potential than the terrestrial yeast. They can be used in baking, brewing, wine, bio-ethanol and pharmaceutical protein production.
Tropical rain forests are called the ‘World’s largest Pharmacy’ as 25% of the natural vegetation are medicinal plants (e.g.) Cinchona.
Ambergris is an extract from the sperm whale. A pound (0.454 kg) of sweet – smelling ambergris is worth US $63,000 and used in perfume industries.
Match the following:
1. Natural resource – Minerals
2. International resources – Sustainable development
3. Reduce, Reuse, Recycle – Air
4. Non-renewable – Manufacturing
5. Universal resource – Ambergris
6. Secondary activities – Forest
Fill in the blanks:
1. Sugarcane is processed to make _______________
2. Conservation of resources is ___________ use of resources.
3. Resources which are confined to certain regions are called ____________
4. _____________ resources are being used in the present.
5. ____________ resources are the most valuable resources.
6. Collection of resources directly from nature is called ______________
Consider the following the statements and tick the appropriate answer:
1. Statement: Solar energy is the best substitute for thermal energy in tropical regions.
Inference 1: Coal and petroleum resources are receding.
Inference 2: Solar energy will never deplete.
Now choose the right answer:
(a) Only conclusion 1 follows
(b) Only conclusion 2 follows
(c) Neither 1 nor 2 follows
(d) Both 1 and 2 follow
2. Statement: If you don’t conserve resources, human race may become extinct.
Inference 1: You need not conserve resources.
Inference 2: You need to conserve resources.
Now choose the right answer:
(a) Only conclusion 1 follows
(b) Only conclusion 2 follows
(c) Neither 1 nor 2 follows
(d) Both 1 and 2 follow
3. Statement: Man switched over to agriculture.
Inference 1: Food gatherers experienced scarcity of food.
Inference 2: Food gathered was not nutritious.
Now choose the right answer:
(a) Only conclusion 1 follows
(b) Only conclusion 2 follows
(c) Neither 1 nor 2 follows
(d) Both 1 and 2 follow
Answers:
Match the following:
1. Air 2. Ambergris 3. Sustainable development 4. Minerals 5. Forest 6. Manufacturing
Fill in the blanks:
1. Sugar 2. Careful 3. Localized resources 4. Actual resources 5. Natural
Consider the following the statements and tick the appropriate answer:
- Both 1 and 2 follow
- Only conclusion 2 follows
- Only conclusion 1 follows