Question 1:
Why are resources distributed unequally over the earth?
Answer:
Resources are distributed unequally over the Earth as a number of geographical factors like altitude, terrain and climate are responsible for their distribution and these factors vary widely over the surface of the earth.
Question 2:
What is resource conservation?
Answer:
Resource conservation is the practice of using the resources carefully and giving them time to get renewed. It is planned and careful use of natural resources, so that these resources can be used for a long period of time.
Question 3:
Why are human resources important?
Answer:
Human resources are very important as more resources can be created when people have the knowledge, skill and technology to aid them in creating so. In order to make people a valuable resource, education and health plays a major role.
Question 4:
What is sustainable development?
Answer:
Sustainable development means the careful utilisation of resources so that along with meeting the present requirements, the requirements of the future generation are also taken care of.
Question 5:
Which one of the following does NOT make substance a resource?
Answer:
Quantity
Question 6:
Which one of the following is a human-made resource?
Answer:
Medicines to treat cancer
Question 7:
Complete the statement. Non-renewable resources are
Answer:
those which have limited stock
Question 8:
State whether the given statement are true or false. If true, write the reason.
Human interference and changes of climate can maintain the ecosystem.
Answer:
It is false.
Question 9:
Name any three common minerals used by you everyday.
Answer:
Three common minerals used by us everyday are:
(a) Iron ore for making steel
(b) Sand for constructing building
(c) Copper wires