Question:
Give five ways in which you can save energy at home.
Answer:
We can switch off the lights and fans when not needed.
Close the taps properly so that they do not drip.
Close the vessel while cooking to reduce cooking time.
Walk or use a bicycle to travel short distances.
Use the staircase instead of the lift if you can.
Resources
Q 1.
What are population pyramids? How do they help in understanding about the population of a country?
Q 2.
Which are the two main climatic factors responsible for soil formation?
Q 3.
What is Nomadic herding?
Q 4.
Distinguish between Biogas and natural gas
Q 5.
How is farming classified?
Q 6.
Write a brief note on terrace farming and intercropping.
Q 7.
Which industry is often referred to as the backbone of modem industry and why?
Q 8.
Mention the different types of resources.
Q 9.
Discuss the role of any two factors influencing population change.
Q 10.
What is meant by the term industry?
Q 11.
The world population has grown very rapidly. Why?
Q 12.
Why is land considered an important resource?
Q 13.
Name any two steps that government has taken to conserve plants and animals.
Q 15.
Write a brief note on salt.
Q 16.
What are the causes for the destruction of natural vegetation and wildlife?
Q 17.
What is the average density of population in India?
Q 18.
What is agriculture?
Q 19.
What is plantation agriculture?
Q 20.
Rows of trees planted in the coastal areas to check the wind movement is called intercropping ?
Q 21.
Which sources of energy would you suggest for (a) rural areas (b) coastal areas (c) Arid Regions?
Q 22.
Give reason for Petroleum is referred to as black gold.
Q 23.
Quarrying can become a major environmental concern.
Q 24.
Distinguish between Metallic and non metallic minerals
Q 25.
How was the word agriculture, coined?
Q 26.
What is mixed cropping or mixed farming?
Q 27.
Give a brief note on mining.
Q 28.
Mention some methods that are used to conserve soil
Q 29.
What is population density?
Q 30.
Differentiate between Ubiquitous and localised resources?
Q 31.
Name the fibre crops and name the climatic conditions required for their growth.
Q 32.
Distinguish between the followings
(i) Agro-based and mineral based industry.
Q 33.
Name any three common minerals used by you every day.
Q 34.
Give reason for Most industries are concentrated around coal mines.
Q 35.
Give a few examples of man-made resources and natural resources ?
Q 36.
What are the four Characteristics of resources?
Q 37.
Resources have value- discuss ?
Q 38.
What are the classifications of minerals?
Q 39.
How are mineral extracted from earth?
Q 40.
What is Hydel power?
Q 41.
What are the different characteristics of population composition?
Q 42.
Why are human resources important?
Q 43.
What is sustainable development?
Q 44.
Different crops are grown in different regions.
Q 45.
Human interference and changes of climate can maintain the ecosystem ?
Q 46.
Why cotton textile industry rapidly expanded in Mumbai?
Q 47.
Distinguish between Ferrous and nonferrous minerals
Q 48.
Write a brief note on wind power ?
Q 49.
What is the difference between Subsistence farming and Commercial farming?
Q 50.
What are the 3 categories of Commercial farming?
