8 practice sets · Page 1 of 1
What is land degradation?
Increase in soil fertility
Decline in the productive capacity of land
Expansion of forests
Improvement of soil quality
Correct Answer: B — Decline in the productive capacity of land
Explanation:
Land degradation reduces the fertility and productivity of land due to misuse or environmental damage.
What is net sown area?
Land left fallow for years
Land that cannot be used for farming
Land used for non-agricultural purposes
Total land cultivated at least once in an agricultural year
Correct Answer: D — Total land cultivated at least once in an agricultural year
Explanation:
Net sown area refers to the land cultivated at least once during a year.
Which resource is used in the production of fossil fuels?
Sunlight
Forests
Biomass
Plants and animals
Correct Answer: D — Plants and animals
Explanation:
Fossil fuels are formed from the remains of ancient plants and animals over millions of years.
Which of the following is a characteristic of resource planning?
Overuse of resources
Ignoring environmental sustainability
Balancing the use of resources with development needs
Destruction of ecosystems
Correct Answer: C — Balancing the use of resources with development needs
Explanation:
Resource planning balances economic development with environmental conservation.
What is fallow land?
Land permanently abandoned
Land left uncultivated for one or more years
Land used only for commercial farming
Land with dense vegetation
Correct Answer: B — Land left uncultivated for one or more years
Explanation:
Fallow land is left uncultivated temporarily so the soil can regain fertility.
What is the main characteristic of laterite soil?
Rich in organic matter
Found only in deserts
Highly leached and acidic
High moisture retention
Correct Answer: C — Highly leached and acidic
Explanation:
Laterite soil forms in regions of high rainfall and temperature, causing nutrients to be heavily leached away.
Which of these is an example of a biotic resource?
Water
Minerals
Soil
Forest
Correct Answer: D — Forest
Explanation:
Forests contain living organisms such as plants and animals, making them biotic resources.
What is the main goal of resource planning?
To use resources recklessly
To maximize profits
To manage resources sustainably for long-term use
To conserve all resources
Correct Answer: C — To manage resources sustainably for long-term use
Explanation:
Resource planning promotes the sustainable use of resources so they remain available for future generations.
