Question:
Human interference and changes of climate can maintain the ecosystem ?
Answer:
False Reason: Changes of climate and human interferences can cause the loss of natural habitats for the plants and animals, hence destroy the ecosystem.
Resources
Q 1.
What are population pyramids? How do they help in understanding about the population of a country?
Q 2.
What is a water-cycle?
Q 3.
What are the four Characteristics of resources?
Q 4.
What is meant by arable land?
Q 5.
What are natural resources?
Q 6.
Distinguish between Ferrous and nonferrous minerals
Q 7.
What are the classifications of minerals?
Q 8.
Differentiate between Ubiquitous and localised resources?
Q 9.
Resources have value- discuss ?
Q 10.
What is Nomadic herding?
Q 11.
What are the two main classifications of power resources?
Q 12.
Why are resources distributed unequally over the earth?
Q 13.
Name any two steps that government has taken to conserve plants and animals.
Q 14.
Ganga-Brahmaputra plain of India is an overpopulated region.
Q 15.
Distinguish between Conventional and non conventional sources of energy
Q 16.
What are the advantages in mixed cropping?
Q 17.
What is meant by the term industry?
Q 18.
Name the 3 sectors of activities done by people.
Q 19.
Write a brief note on Intensive subsistence farming.
Q 21.
How are mineral extracted from earth?
Q 22.
What are the factors that determine the pattern in which a particular region is used?
Q 23.
Mention some methods that are used to conserve soil
Q 24.
Write a brief note on the Ministry of Human Resource Development in India.
Q 25.
What is the average density of population in India?
Q 26.
Why is population growth slowing in united Kingdoms?
Q 27.
Mention the different types of resources.
Q 28.
What is mixed cropping or mixed farming?
Q 29.
What can we do to conserve resources?
Q 30.
Why is population study essential?
Q 31.
Name the fibre crops and name the climatic conditions required for their growth.
Q 32.
What is a resource?
Q 33.
What are abiotic resources?
Q 34.
What are the activities under the secondary sector?
Q 35.
What do the 3Rs stand for in context with conservation of natural resources?
Q 36.
Name a few landforms.
Q 37.
Differentiate between emigrants and immigrants.
Q 38.
What is resource conservation?
Q 39.
The world population has grown very rapidly. Why?
Q 40.
What is an ore? Where are the ores of metallic minerals generally located?
Q 41.
Which sources of energy would you suggest for (a) rural areas (b) coastal areas (c) Arid Regions?
Q 42.
Give reason for Most industries are concentrated around coal mines.
Q 43.
How was the word agriculture, coined?
Q 45.
Sixty per cent of the world's people stay in just 10 countries. Name the countries with the percentage of world population.
Q 46.
Why are human resources important?
Q 47.
Suggest three ways to conserve water.
Q 48.
Why cotton textile industry rapidly expanded in Mumbai?
Q 49.
Name any three common minerals used by you every day.
Q 50.
Name two regions rich in natural gas resources.