Question:
Name the fibre crops and name the climatic conditions required for their growth.
Answer:
Fibre crops are crops which are grown for their fibers, which are used to make paper, cloth, or rope. Cotton and jute are Fibre crops. Cotton requires high temperature, light rainfall, two hundred and ten frost-free days and bright sunshine for its growth. It grows best on black and alluvial soils.
Jute was also known as the "Golden Fibre". It grows well on alluvial soil and
requires high temperature, heavy rainfall and humid climate. This crop is grown in the tropical areas.
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.
Which industry is often referred to as the backbone of modem industry and why?
Q 7.
Mention the different types of resources.
Q 8.
Write a brief note on terrace farming and intercropping.
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.
Rows of trees planted in the coastal areas to check the wind movement is called intercropping ?
Q 20.
Which sources of energy would you suggest for (a) rural areas (b) coastal areas (c) Arid Regions?
Q 21.
Give reason for Petroleum is referred to as black gold.
Q 22.
How was the word agriculture, coined?
Q 23.
What is mixed cropping or mixed farming?
Q 24.
Give a brief note on mining.
Q 25.
Mention some methods that are used to conserve soil
Q 26.
What is population density?
Q 27.
What is plantation agriculture?
Q 28.
Distinguish between the followings
(i) Agro-based and mineral based industry.
Q 29.
Give reason for Most industries are concentrated around coal mines.
Q 30.
Quarrying can become a major environmental concern.
Q 31.
Distinguish between Metallic and non metallic minerals
Q 32.
Give a few examples of man-made resources and natural resources ?
Q 33.
What are the four Characteristics of resources?
Q 34.
Resources have value- discuss ?
Q 35.
What are the classifications of minerals?
Q 36.
How are mineral extracted from earth?
Q 37.
What are the different characteristics of population composition?
Q 38.
Why are human resources important?
Q 39.
What is sustainable development?
Q 40.
Differentiate between Ubiquitous and localised resources?
Q 41.
Name the fibre crops and name the climatic conditions required for their growth.
Q 42.
Different crops are grown in different regions.
Q 43.
Human interference and changes of climate can maintain the ecosystem ?
Q 44.
Why cotton textile industry rapidly expanded in Mumbai?
Q 45.
Name any three common minerals used by you every day.
Q 46.
Distinguish between Ferrous and nonferrous minerals
Q 47.
Write a brief note on wind power ?
Q 48.
What is the difference between Subsistence farming and Commercial farming?
Q 49.
What are the 3 categories of Commercial farming?
Q 50.
How can one increase agricultural production?
