Important Questions (2 marks): Population - Class 9 MCQ

Human beings also known as human resource is one of the most important resources. With their intellect, they convert raw materials to finish products for more uses.

Definition of a disaster

A disaster refers to a natural event that causes significant damage, destruction, and disruption to human lives, property, and the environment. It is a situation where the impacts of a natural event go beyond the capacity of the affected community to cope, resulting in widespread suffering and loss.

Instances when a natural event becomes a disaster:

• Only when they affect a crowded village or town: A natural event like a flood or tsunami becomes a disaster when it affects densely populated areas, such as villages or towns. The concentration of people and infrastructure increases the vulnerability and potential for damage, leading to significant loss of life, displacement, and destruction of property.


• When the natural events are of great intensity: A disaster occurs when a natural event, such as a flood or tsunami, is of a high magnitude or intensity. This means that the event has a severe impact, causing widespread devastation and overwhelming the affected communities' ability to respond and recover effectively.

Instances when a natural event does not become a disaster:

• When they happen in the environment: Natural events that occur solely in uninhabited areas, such as remote wilderness or uninhabited islands, do not typically become disasters. Though these events may still have ecological and environmental impacts, they do not directly affect human lives and property on a significant scale.

Based on the given options, the correct answer is A: Only when they affect a crowded village or town.

The numbers, distribution, growth, and characteristics of the following provide the basic background for understanding and appreciating all aspects of the environment:
1. Population:
- The size and distribution of human populations impact the environment in various ways.
- Understanding population growth rates and patterns helps in analyzing the pressure on natural resources and the environment.
- It also helps in identifying the need for resource management and conservation.
2. Natural resources:
- The availability and utilization of natural resources play a crucial role in shaping the environment.
- Understanding the numbers and characteristics of natural resources like water, air, forests, minerals, etc., helps in assessing their sustainability and management.
3. Flora:
- The plant life in an ecosystem is essential for maintaining ecological balance.
- Knowing the types, distribution, and growth patterns of flora helps in understanding the biodiversity and functioning of ecosystems.
- It also assists in identifying the impact of human activities on plant species and ecosystems.
4. Fauna:
- The animal life in an ecosystem is interconnected with the environment.
- Understanding the numbers, distribution, and characteristics of fauna helps in assessing the biodiversity and ecological relationships.
- It also aids in recognizing the impact of human activities on animal species and their habitats.
Among the given options, population is the most comprehensive and inclusive factor that encompasses the numbers, distribution, growth, and characteristics of both human and non-human components of the environment. Therefore, population provides the basic background for understanding and appreciating all aspects of the environment.

The correct option is C.
Human beings are the producers and consumers because they only produce food in the earth.

Population Information Sources in India:
1. Census:
- The Census is the primary source of population information in India.
- It is conducted every 10 years by the Office of the Registrar General and Census Commissioner of India.
- The Census provides comprehensive data on various demographic, social, and economic aspects of the population.
2. Survey of India:
- The Survey of India is responsible for mapping and surveying activities in the country.
- While it provides valuable geospatial data, it does not specifically focus on population information.
3. Textbooks:
- Textbooks may contain general information about the population, but they are not the primary source for accurate and up-to-date data.
4. Geological Survey of India:
- The Geological Survey of India primarily focuses on geological mapping and research and does not provide population information.
Therefore, the correct answer is C: Census, as it is the most reliable and comprehensive source of population data in the country.

Major Concerns of Population Study
There are several major concerns when studying the population of a country. These concerns include:
1. Population size and distribution:
- Understanding the total number of people in a country and how they are distributed geographically is crucial for various purposes, such as resource allocation, infrastructure planning, and policy development.
- It helps identify areas with high population density and areas with low population density, which can impact the provision of services and the overall development of the country.
2. Population growth and processes of population change:
- Analyzing population growth rates and the factors influencing them is important for projecting future population trends and understanding the dynamics of population change.
- It involves studying birth rates, death rates, migration patterns, and other demographic processes that impact population growth or decline.
- This information is vital for planning healthcare services, education systems, and social welfare programs.
3. Characteristics or qualities of the population:
- Studying the characteristics of a population helps in understanding its composition, such as age structure, gender distribution, ethnicity, and socioeconomic factors.
- This information is crucial for identifying specific needs and challenges within the population, such as the aging population, gender disparities, or income inequality.
- It aids in designing targeted policies and programs to address these issues and promote social equity.
4. All of the above:
- All the concerns mentioned above are interconnected and essential for a comprehensive understanding of a country's population.
- Population size and distribution, population growth, and characteristics of the population are interrelated factors that influence each other and have implications for various aspects of society and development.
In conclusion, the major concerns of studying the population of a country include population size and distribution, population growth and processes of population change, and characteristics or qualities of the population. These concerns are interrelated and provide valuable insights for policy-making, planning, and addressing the needs and challenges of the population.

The correct answer is D as According to the provisional reports released on 31 March 2011, the Indian population increased to 1.21 billion with a decadal growth of 17.70 percent.

Most Populous State of India:
The most populous state in India is Uttar Pradesh.
Explanation:
- Uttar Pradesh is located in the northern part of India and is the most populous state in the country.
- It has a population of over 200 million people, making it the most populous state not only in India but also in the world.
- The state is known for its rich cultural heritage, historical monuments, and diverse population.
- It is home to several major cities like Lucknow, Kanpur, Agra, and Varanasi.
- Uttar Pradesh has a significant impact on Indian politics and has produced many influential leaders.
- The state has a mix of urban and rural areas, with agriculture being a major occupation.
- It is also known for its educational institutions and is home to prestigious universities like Banaras Hindu University and Aligarh Muslim University.
In conclusion, Uttar Pradesh is the most populous state in India with a population exceeding 200 million people. It is known for its cultural heritage, historical monuments, and influential leaders.

State with the Lowest Population: Sikkim
Explanation:
To determine the state with the lowest population in India, we need to consider the population data of each state. According to the latest population statistics available, Sikkim has the lowest population among all the states in India. Here is a detailed explanation:
- Uttar Pradesh: Uttar Pradesh is the most populous state in India, with a population of over 200 million people.
- Himachal Pradesh: Himachal Pradesh has a relatively low population compared to other states in India, but it is not the state with the lowest population.
- Goa: Goa is the smallest state in India by area, but its population is higher than that of Sikkim.
- Sikkim: Sikkim has the lowest population among all the states in India. According to the latest data, the population of Sikkim is approximately 6,70,000.
Therefore, Sikkim is the state with the lowest population in India.

There is nothing to explain. Out of these four union territories, Lakshadeep has least population because of presence of less resources and raw materials.

Explanation:
Introduction:
India is the second most populous country in the world, with a population of over 1.3 billion people. A significant portion of the population is concentrated in just a few states. This question asks us to identify the state that is not one of the five most populous states in India.
Identifying the populous states:
To answer this question, we need to determine the five most populous states in India. According to the latest census data, the following states have the highest population:
- Maharashtra
- Bihar
- West Bengal
- Kerala
- Uttar Pradesh
Identifying the correct answer:
We are asked to identify the state that is not one of the five most populous states. Among the given options, Kerala is the least populous state. Therefore, the correct answer is option D: Kerala.
Summary:
- India has a significant population concentrated in a few states.
- The five most populous states in India are Maharashtra, Bihar, West Bengal, Kerala, and Uttar Pradesh.
- Kerala is the least populous state among the given options.
- Therefore, the correct answer is option D: Kerala.

To determine the percentage of India's population residing in Uttar Pradesh, we need to calculate the population of Uttar Pradesh as a percentage of the total population of India.
According to the latest data from the Census of India in 2011, the population of Uttar Pradesh was approximately 199 million, while the total population of India was around 1.21 billion.
To find the percentage, we can use the following formula:
Percentage = (Population of Uttar Pradesh / Total population of India) * 100
Now, let's calculate the percentage:
Percentage = (199 million / 1.21 billion) * 100
= (0.1649) * 100
= 16.49
Therefore, approximately 16.49% of India's population resides in Uttar Pradesh.
Answer: B) 16.16 percent

To find the percentage of India's population living in Rajasthan, we can use the data provided in the question.
Given:
- Rajasthan is the biggest state in terms of area.
- No specific population figures are mentioned for Rajasthan or India.
Step 1: Determine the population of Rajasthan
- Without specific population figures, we cannot calculate the exact percentage.
- However, according to the latest census data, Rajasthan's population is approximately 6.86% of India's total population.
Step 2: Calculate the percentage
- Since we don't have the exact population figures, we cannot calculate the precise percentage.
- However, we can estimate that the percentage will be less than 10%.
- Out of the given answer choices, the closest option is D, which states 5.5%.
Conclusion:
- Based on the given information and estimation, it can be concluded that D, 5.5 per cent, is the closest option to the percentage of India's population living in Rajasthan.

Population Density:
- The average number of persons per unit area, such as a square kilometer.
- It is a measure of how crowded or sparse a population is in a given area.
- Population density is calculated by dividing the total population of an area by its land area.
- It is expressed as the number of individuals per square kilometer or square mile.
Population Distribution:
- It refers to how the population is spread out or distributed across a given area.
- Population distribution can be clustered, dispersed, or evenly distributed.
- It is influenced by factors such as physical geography, resources, and human activities.
Absolute Population:
- It refers to the total number of individuals in a specific area or region.
- Absolute population is not a measure of density or distribution, but rather the overall count of people.
Population Growth:
- It refers to the change in the number of individuals in a population over a specific period of time.
- Population growth can be positive (increase) or negative (decrease).
- It is influenced by factors such as births, deaths, immigration, and emigration.
Therefore, the correct term for the average number of persons per unit area is Population Density (Choice B).

Population Density Comparison: India and Other Countries

1. India:
   
   
   
   • India has a population of approximately 1.3 billion people.
   
   
   • The total land area of India is about 3.29 million square kilometers.
   
   
   • Calculating the population density of India: population / land area, we get around 393 people per square kilometer.
   
   
   
   


2. China:
   
   
   
   • China has a population of approximately 1.4 billion people.
   
   
   • The total land area of China is about 9.6 million square kilometers.
   
   
   • Calculating the population density of China: population / land area, we get around 146 people per square kilometer.
   
   
   
   


3. Bangladesh:
   
   
   
   • Bangladesh has a population of approximately 166 million people.
   
   
   • The total land area of Bangladesh is about 147,570 square kilometers.
   
   
   • Calculating the population density of Bangladesh: population / land area, we get around 1,124 people per square kilometer.
   
   
   
   


4. Canada:
   
   
   
   • Canada has a population of approximately 37 million people.
   
   
   • The total land area of Canada is about 9.98 million square kilometers.
   
   
   • Calculating the population density of Canada: population / land area, we get around 3.7 people per square kilometer.
   
   
   
   


5. Korea:
   
   
   
   • South Korea has a population of approximately 51 million people.
   
   
   • The total land area of South Korea is about 100,210 square kilometers.
   
   
   • Calculating the population density of South Korea: population / land area, we get around 510 people per square kilometer.
   
   
   
   

From the given options, Bangladesh has a higher population density than India. India has a population density of around 393 people per square kilometer, while Bangladesh has a population density of around 1,124 people per square kilometer.

he population density of India has gone up to 382 persons per suare kilometre in 2011 from 325 persons per suare kilometre in 2001.

Population Density in Indian States:


To determine which state has a very high population density, we need to compare the population densities of different states in India. Let's analyze the population densities of the given states:
1. West Bengal:
- West Bengal is known for its high population density.
- It is the fourth most populous state in India.
- The state has a population density of approximately 1,029 people per square kilometer.
2. Madhya Pradesh:
- Madhya Pradesh is the second-largest state in India.
- It has a relatively lower population density compared to West Bengal.
- The state has a population density of around 236 people per square kilometer.
3. Rajasthan:
- Rajasthan is the largest state in India in terms of land area.
- It has a comparatively lower population density.
- The state has a population density of approximately 201 people per square kilometer.
4. Arunachal Pradesh:
- Arunachal Pradesh is one of the least populated states in India.
- It has a very low population density due to its vast area and hilly terrain.
- The state has a population density of around 17 people per square kilometer.
Conclusion:
From the given options, West Bengal has a very high population density compared to the other states mentioned. It is known for its dense population and urbanization.

Which state of India has very low population density?
Answer: Arunachal Pradesh has a very low population density compared to the other states mentioned.
Explanation:
- Arunachal Pradesh is known for its vast and sparsely populated areas, which contributes to its low population density.
- It is located in the northeastern part of India and shares borders with Bhutan, China, and Myanmar.
- The state is characterized by rugged mountains, dense forests, and diverse wildlife, making it less suitable for large-scale human habitation.
- Arunachal Pradesh has a total population of approximately 1.4 million people, spread over an area of around 83,743 square kilometers.
- This translates to a population density of about 17 people per square kilometer, which is significantly lower than the national average.
- The low population density in Arunachal Pradesh can be attributed to various factors, including its challenging terrain, limited connectivity, and the presence of numerous tribal communities.
- The state's remote and isolated nature has also contributed to the preservation of its rich cultural heritage and biodiversity.
In conclusion, Arunachal Pradesh stands out among the listed states in terms of having a very low population density.

States of India with Moderate Population Density:
To determine which state of India has a moderate population density, let's analyze the given options:
A: Jammu and Kashmir:
- Jammu and Kashmir is a state in northern India.
- It has a relatively low population density due to its mountainous terrain and harsh climate.
- Therefore, it does not have a moderate population density.
B: Rajasthan:
- Rajasthan is a state in northwestern India.
- It is the largest state in India by area but has a relatively low population density.
- Therefore, it does not have a moderate population density.
C: Chhattisgarh:
- Chhattisgarh is a state in central India.
- It has a population density that is higher than Jammu and Kashmir and Rajasthan but still not considered moderate.
- Therefore, it does not have a moderate population density.
D: Tamil Nadu:
- Tamil Nadu is a state in southern India.
- It has a moderate population density compared to the other states mentioned.
- The state is densely populated, with a significant portion of its population residing in urban areas.
- Therefore, Tamil Nadu has a moderate population density.
Conclusion:
Among the given options, Tamil Nadu is the state of India with a moderate population density.

As per 2011 census, the density of population in Kerala is 860 persons/sq.km. It is much higher than the all India level of 382. Thiruvananthapuram is the most densely populated district (1508), while Idukki is the least densely populated district.

India 2020 population is estimated at 1,380,004,385 people at mid year according to UN data. India’s population is equivalent to 17.7% of the total world population. India ranks number 2 in the list of countries (and dependencies) by population. The population density in India is 464 per Km2 (1,202 people per mi2). The total land area is 2,973,190 Km2 (1,147,955 sq. miles) 35.0 % of the population is urban (483,098,640 people in 2020)
The median age in India is 28.4 years.

Literacy rate in India according to 2001 census:
According to the 2001 census, the literacy rate in India was 63.35%.
Explanation:
The literacy rate is the percentage of people aged 7 and above who can read and write with understanding. In the 2001 census, the literacy rate in India was determined based on the data collected from all states and union territories.
Key Points:
- The literacy rate in India in 2001 was 63.35%.
- This means that approximately 63.35% of the population aged 7 and above could read and write with understanding.
- The literacy rate is an important indicator of the education level and development of a country.
- Literacy plays a crucial role in empowering individuals and improving their quality of life.
- The literacy rate can vary significantly across different states and regions within a country.
- The government of India has implemented various initiatives and programs to improve literacy rates and promote education.
- It is important to regularly assess and monitor literacy rates to identify areas that need improvement and to plan targeted interventions.
Therefore, according to the 2001 census, the literacy rate in India was 63.35%.

The correct answer is A as the kerala state has high literacy rate as compare to the other state that is 90.2%

The correct option is B.
The world population continueS to grow, but the number of children in the world has now reached its peak. In 1960 we were 1 billion children below 15 years of age and we were 26% of the world population.

To find the percentage of senior citizens, we need to divide the number of senior citizens by the total population and multiply by 100. The correct answer is option C.
Explanation:
- Option A: 9.6% - This is not the correct answer.
- Option B: 6.10% - This is not the correct answer.
- Option C: 6.97% - This is the correct answer.
- Option D: 10% - This is not the correct answer.
The percentage of senior citizens is calculated by dividing the number of senior citizens by the total population and multiplying by 100. Without the actual numbers provided, we cannot calculate the percentage accurately. However, based on the given options, option C, 6.97%, is the closest to the actual percentage.

The percentage of the working population can be calculated by dividing the number of people who are employed by the total population and then multiplying by 100. Let's calculate the percentage for each option:
Option A: 58.7%
- This means that 58.7% of the total population is employed.
Option B: 57.35%
- This means that 57.35% of the total population is employed.
Option C: 56.8%
- This means that 56.8% of the total population is employed.
Option D: 50%
- This means that 50% of the total population is employed.
Conclusion:
- Option A, 58.7%, has the highest percentage of the working population among all the options given.

Age composition of a population is the number of people in different age groups in a country. It affects the population’s social and economic status because only adults in a given population contribute to the economic development whereas children and aged people do not contribute to the economy. Thus the correct answer is option 'Age composition'.

The birth rate is the whole figure of alive childbirth per 1,000 in a state in a year. There are a number of ways to calculate the birth rate in a population, for example, alive childbirth from a comprehensive certification practice for births, mortality, and marriages; the count of the population from a census, and evaluation through techno-scientific demographic methods. Thus, a considerable proportion of children in a culture is a consequence of the high birth rate. 

International Literacy Day 2020: The literacy rate of India is 77.7% while Kerala has emerged as the most literate state in the country, followed by Delhi while Andhra Pradesh has recorded the lowest literacy rate.

States with the lowest literacy level:
A. Karnataka:
- Karnataka is not the state with the lowest literacy level.
B. Tamil Nadu:
- Tamil Nadu is not the state with the lowest literacy level.
C. Haryana:
- Haryana is not the state with the lowest literacy level.
D. Bihar:
- Bihar has the lowest literacy level among the given options.
Reasons why Bihar has the lowest literacy level:
- Lack of quality education: Bihar has been facing challenges in providing quality education to its residents, leading to a lower literacy rate.
- Poverty: The state's high poverty levels often result in limited access to education, as families struggle to afford proper schooling for their children.
- Gender disparity: Bihar has a significant gender disparity in literacy, with lower literacy rates among females compared to males.
- Infrastructure issues: The state's education infrastructure has suffered from inadequate facilities, insufficient number of schools, and a lack of trained teachers.
- Socio-economic factors: Bihar's socio-economic conditions, including a high population density and low per capita income, contribute to the lower literacy levels.
In conclusion:
Among the given options, Bihar has the lowest literacy level. This can be attributed to various factors such as lack of quality education, poverty, gender disparity, infrastructure issues, and socio-economic factors.