The World Population- 1 - Free MCQ Practice Test with solutions, UPSC Geography

According to NCERT

The term population distribution refers to the way people are spaced over the earth’s surface. Broadly, 90 per cent of the world population lives in about 10 per cent of its land area

The ratio between the number of people to the size of land is the density of population. There are areas with high, medium and low density of population.

Political unrest is a part of social and cultural environment. Rest all are the geographical factors.

Around 1750 A.D., at the dawn of the Industrial Revolution, the world population was 550 million. World population exploded in the eighteenth century after the Industrial Revolution.

Africa has the highest rate of population growth among the continents.

• Emigrants: Emigrants are individuals who are moving out of a particular place or country to settle in another country.


• Immigrants: Immigrants are individuals who are moving into a particular place or country from another country.


• Foreigner: A foreigner is a person who is not a citizen or national of the country in which they are residing.


• Citizen: A citizen is a person who is recognized as a legal member of a particular country and has certain rights and responsibilities within that country.

The correct term for migrants moving out of a place is emigrants.

It is important to understand the difference between emigrants, immigrants, foreigners, and citizens when discussing migration and movement of people between countries.

• International Migration: When people move from one country to another country, it is termed as international migration.


• Reasons for International Migration: People may migrate internationally for various reasons such as better job opportunities, education, family reunification, or seeking asylum.


• Impact of International Migration: International migration can have social, economic, and cultural impacts on both the sending and receiving countries.


• Challenges of International Migration: International migration can also pose challenges such as integration issues, cultural differences, and legal barriers.


• Government Policies: Governments often have policies in place to regulate international migration, including visa requirements, border control, and refugee resettlement programs.

The correct answer is C as per the 2011 Census, GoI, the population density of India in terms of number of persons per square kilometre had reached 382 persons per sq km as compared to 325 persons per sq km in the 2001 Census. This represents a rise by about 57 people per sq km of India on average as compared to the last Census.

The correct answer is D as culture environment includes settlements

Due to favorable factors like fertile land, water availability, suitable climate, and economic opportunities, nearly 90% of the global population is concentrated in about 10% of the land area, while large regions remain sparsely populated.