Management of Natural Resources — Questions & Answers

Sample questions from Management of Natural Resources

1. Q1. At the present rate of consumption, the known petroleum reserves of the world are likely to last for only about:

   • A.10 years
   • B.200 years
   • C.40 years✓
   • D.500 years
   Solution

   Petroleum reserves are estimated to last roughly forty more years, far less than coal reserves.

2. Q2. The organised protest against raising the height of the Sardar Sarovar Dam on the Narmada is known as:

   • A.Chipko Andolan
   • B.Ganga Action Plan
   • C.Silent Valley Movement
   • D.Narmada Bachao Andolan✓
   Solution

   The Narmada Bachao Andolan opposed the increased height of the Sardar Sarovar Dam because of the resulting submergence and displacement.

3. Q3. A river ecosystem contains algae, insects, fish and birds. If a persistent pesticide enters the water, the highest concentration is expected in: Analyse the related management case:

   • A.fish-eating birds✓
   • B.algae only
   • C.water molecules
   • D.soil minerals only
   Solution

   Biomagnification increases concentration at higher trophic levels.

4. Q4. Why should non-biodegradable waste be reduced?

   • A.It persists and accumulates in the environment✓
   • B.Microbes destroy it immediately
   • C.It becomes rainfall
   • D.It improves every soil
   Solution

   Persistent waste can pollute land and water and harm organisms.

5. Q5. Why are fossil fuels considered unsustainable at present rates of use?

   • A.They are finite and their burning causes pollution✓
   • B.They form within days
   • C.They produce no gases
   • D.They are renewable every season
   Solution

   Fossil fuels take geological time to form and release pollutants on burning.

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