Q 1) Answer the following questions.
i) Why are resources distributed unequally over the earth?
Answer:
- Earth has different topography, climate and altitude at different places. The difference in these factors has resulted in unequal distribution of resources on the earth.
- Also, the difference in the level of development and technology determines the variation in distribution.
ii) What is resource conservation?
Answer:
- Using resources carefully and giving them time to get renewed is called resource conservation.
- Resource conservation focuses on reducing consumption, recycling and reusing things. It is the protection and ethical use of valuable resources such as minerals, water, trees, wildlife and others.
iii) Why are human resources important?
Answer:
- People can make the best use of nature to create more resources when they have the knowledge, skill and the technology to do so. That is why human resources are important.
- Education and healthcare help in making people a valuable resource.
iv) What is sustainable development?
Answer:
- Balancing the need to use resources and also conserve them for the future is called sustainable development.
- The future of our planet and its people is linked with our ability to maintain and preserve the life support system that nature provides.
- Development is sustainable when all renewable resources are used carefully, the diversity of life on the earth is conserved, and the damage to the natural environment is minimised in order to save it for future generations.
Q 2) Tick the correct Answer.
i) Which one of the following does NOT make the substance a resource?
a) Utility
b) Value
c) Quantity
Answer: c) Quantity
ii) Which one of the following is a human-made resource?
a) Medicines to treat cancer
b) Spring water
c) Tropical forest
Answer: a) Medicines to treat cancer
iii) Complete the following statement:
Biotic resources are ____________
a) Derived from living things
b) Made by human beings
c) Derived from non-living things
Answer: a) Derived from living things