CBSE Class 8 Social Science Natural Resources and Their Use (Class 8 NCERT New) Quiz 4

1. The different inputs required to enable the use of the natural resources available in different geographical areas include:

A Technology, skilled labor, capital, and infrastructure B Only skilled labor C Only capital investment D Only government policies

2. What is biodiversity loss?

A Increase in the variety of life on Earth B The decline in the variety of life on Earth C The responsible use of natural resources D Restoration of renewable resources

3. Fill in the blank: Scientists studying the irresponsible treatment of natural resources have warned that it leads to ________ and climate change.

A biodiversity loss B economic growth C technological advancement D urban development

4. One consequence of the improper use of chemical fertilisers and pesticides in farming is:

A Soil and water pollution B Increased crop yield C Improved soil fertility D Enhanced pest resistance

5. Which traditional practices help in holistic soil management?

A Use of chemical fertilisers B Use of cow dung and other natural fertilisers C Single-cropping D Wasteful consumption of water

6. What is one strategy attempted to remedy the depletion of groundwater levels?

A Increasing chemical fertilisers B Water harvesting and rejuvenation of ponds and tanks C Extracting more groundwater D Ignoring traditional practices

7. Read the passage 'Overexploitation of groundwater: a caselet from Punjab'. What was Punjab known for during the Green Revolution?

A High-yielding wheat varieties B Self-sufficiency in food C Depleted groundwater resources D Use of pesticides and fertilisers

8. Read the passage 'Overexploitation of groundwater: a caselet from Punjab'. In the 1960s, farmers in Punjab shifted to high-yielding varieties of ______ and paddy, which required more water than traditional seeds.

A wheat B maize C barley D millet

9. Read the passage 'Overexploitation of groundwater: a caselet from Punjab'. What is one major effect of over-pumping groundwater in Punjab?

A Increased crop yield B Groundwater level has become inaccessible till depths of about 30 metres C Improved soil quality D Decreased use of pesticides

10. Read the passage 'Overexploitation of groundwater: a caselet from Punjab'. The chemicals from pesticides and fertilisers have dissolved in the groundwater causing health hazards.

A True B False