CBSE Class 8 Social Science · Ch 1: Natural Resources and Their Use

Topics in this test

Difficulty: 5 medium · 25 hard

Sample questions with answers

The first 5 questions of this free test.

1. Q1. Read the two statements about resources and choose the correct option: Statement I: All natural substances are resources, whether or not humans can use them. Statement II: A substance becomes a resource only when it has utility and human beings have the knowledge and technology to use it.

   • A. Statement I is incorrect but Statement II is correct
   • B. Both Statement I and Statement II are incorrect
   • C. Both Statement I and Statement II are correct
   • D. Statement I is correct but Statement II is incorrect
   Solution

   A natural substance turns into a resource only when it is useful to people and they know how to use it, so Statement I is wrong and Statement II is right.

2. Q2. A town has a water tank holding $12000$ litres. Its people use water at $800$ litres per day, and nature refills the tank by only $500$ litres per day. If this continues, which conclusion about the resource is correct?

   • A. The tank gains $300$ litres each day and will overflow
   • B. Water here behaves like a non-renewable resource and gets no refill at all
   • C. The tank level stays the same because renewal balances the use
   • D. The water is being used faster than it is renewed, so the stock will keep falling by $300$ litres each day
   Solution

   Daily use ($800$ L) is more than daily renewal ($500$ L), so the net loss is $300$ L a day and the stored water keeps falling until it runs out — the resource is being used faster than it is renewed.

3. Q3. A region has fertile soil, rivers and minerals (natural resources) but its people are poorly educated and unskilled, so the area stays undeveloped. Another region with fewer natural resources but many skilled, educated people develops fast. What does this comparison best show?

   • A. Human resources are essential to make the best use of natural resources
   • B. Minerals are the only resource that matters for development
   • C. Education has nothing to do with the use of resources
   • D. Natural resources alone always decide a region's development
   Solution

   Human resources — people's skill, knowledge and ability — are needed to turn natural resources into useful things, so they are a key resource too.

4. Q4. Four friends describe what makes a substance a resource. Who is 'odd one out' by giving a statement that does NOT agree with the chapter?

   • A. Amit: 'Technology can turn a stock into a usable resource.'
   • B. Riya: 'A substance that has no value or use for humans is still a resource.'
   • C. Dev: 'Human skill and knowledge are needed to use resources.'
   • D. Sara: 'The same substance may be a resource in one place and not in another.'
   Solution

   Resources depend on human use, value and technology; something useless to humans is not called a resource, so that statement is the odd one.

5. Q5. The chapter says resources should be used in a way that meets the needs of the present without harming the ability of future generations to meet their own needs. A factory owner who follows this idea would most likely do which of the following?

   • A. Cut as many trees as possible to earn maximum profit now
   • B. Use up the cheapest fuel without worrying about the future
   • C. Dump all factory waste into the nearest river
   • D. Plant new trees to replace every tree cut for timber
   Solution

   Sustainable development means using resources carefully so that future generations are not deprived, so planting trees to replace those cut fits best.

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