Human Resources - CBSE Notes and Guess for 8th NCERT Geography - Resources and Development


Class 8 NCERT Geography - Resources and Development


 CBSE Notes 

Density of Population: The number of persons living per unit area, say per square kilometer on the average is called Density of Population. Example - 324 persons per square kilometer in India (2001 census)

Sex Ratio: The number of females per thousand of males is termed as sex ratio.

Birth Rate: Birth Rate refers to live births per thousand of persons every year.

Natural Growth Rate: The difference between birth rate and death rate of a country is known as Natural Growth Rate.

Life Expectancy: Life expectancy is the number of years for which an average man expects to live. 

Solutions of CBSE Guess Questions (1 Mark)

QUESTION.1: Which hemisphere has more population?
Answer: Northern hemisphere.

QUESTION.2: What is the average density of world population?
Answer: 45 persons per square km.

QUESTION.3: Name the country with slowing growth rate of population.
Answer: United Kingdom.

QUESTION.4: What are the people called who have come from other countries?
Answer: Immigrants.

QUESTION.5: What is Emigration?
Answer: Movement of people to other countries is called Emigration. 

Solutions of CBSE Guess Questions (5 Mark)

QUESTION.6: Which are the geographical factors affecting the distribution of population?
Answer: The geographical factors affecting the distribution of population are:
a.       Topography - People generally prefer living on plains rather than on mountains or plateaus as these areas are suitable for farming and other similar activities.
b.       Soil - People prefer to live in areas with fertile soil as it supports agriculture.
c.       Climate - People avoid extreme climates.
d.       Water - People prefer living in the areas where fresh water is easily available.
e.       Minerals - People are attracted towards the areas rich in mineral deposits.

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