Sec 2 WB 2.4 Answer

Normal Academic (pg. 14)
Express stream students please scroll down.

Qn 1(a)(i)
Fig. 1

Qn 1(a)(ii)
Country X has a low rate of population growth

Qn 1(b)

• In countries with high standards of hygiene, there is clean food, water and air. Therefore, pople are less prone to contracting diseases (such as cholera).
• In countries where the people enjoy higher levels of income, they have better nutrition, as they are able to buy sufficient food and water. This enables people to live longer and healthier lives.
• In countries which have good medical and health care systems, vaccinations are provided to prevent diseases and well trained doctors provide good health care. Therefore, people are able to enjoy longer and healthier lives.

(Choose any two)

Qn 1(c)
People who marry later have children later in their lives. This leads to fewer children being produced as the childbearing years for women are reduced.

Qn 1(d)(i)
Incentives such as tax rebates are given to women who have children when they are younger. The government has also opened up more child care centres to help parents look after their children while they are at work.

Qn 1(d)(ii)
Singapore will have more elderly people and experience an ageing population.
There is likely to be a smaller number of people who are working. This means that the government will have to increase taxes for each working person in order to fund public projects.


Express Stream

Qn 1(a)

• In countries with high standards of hygiene, there is clean food, water and air. Therefore, pople are less prone to contracting diseases (such as cholera).
• In countries where the people enjoy higher levels of income, they have better nutrition, as they are able to buy sufficient food and water. This enables people to live longer and healthier lives.
• In countries which have good medical and health care systems, vaccinations are provided to prevent diseases and well trained doctors provide good health care. Therefore, people are able to enjoy longer and healthier lives.

(Choose any two)

Qn 1(b)
People who marry later have children later in their lives. This leads to fewer children being produced as the childbearing years for women are reduced.

Qn 1(c)
More women are working and find it difficult to balance work and family. Thuis, they choose to have fewer children. The high cost of raising children has also discouraged people from having more children.

Qn 1(d)(i)
Incentives such as tax rebates are given to women who have children when they are younger. The government has also opened up more child care centres to help parents look after their children while they are at work.

Qn 1(d)(ii)

• Singapore will have a growing percentage of elderly persons compared to young people, thus will experience an aging population.
• There is likely to be a smaller number of people who are working. This means that the government will have to increase taxes for each working person in order to fund public projects.
• With an ageing population, there will be a smaller talent pool with fewer people to lead and serve the country.

Sec 2 WB 2.4 Answer

* NA students, please read through these answers as they are also applicable to your worksheet.

Express

Qn 1(a)
In countries with high standards of hygiene, there is clean food, water and air. Therefore people are less prone to contracting diseases.
In countries where the people enjoy higher levels of income, they have better nutrition, as they are able to buy sufficient food and water. This enables people to live longer and healthies lives.
In countries which have good medical and health care systems, vaccinations are provided to prevent diseases and well-trained doctors provide good health care. Therefore, people are able to enjoy longer and healthier lives.
(Any 2 of these answers)

Qn 1(b)
People who marry later have children later in their lives. This leads to fewer children being produced as the childbearing years for women are reduced.

Qn 1(c)
More women are working and find it difficult to balance work and family. This, they choose to have fewer children. The high cost of raising children has also discouraged people from having more children.

Qn 1(d)(i)
Incentives such as tax rebates are given to women who have children when they are younger. The government has also opened up more childcare centres to help parents look after their children while they are at work.

Qn 1(d)(ii)
Singapore will have a growing percentage of elderly persons compared to young people, thus will experience an ageing population.
There is likely to be a smaller number of people who are working. This means that the government will have to increase taxes for each working person in order to fund public projects.
With an ageing population, there will be a smaller talent pool with fewer people to lead and serve the country.
(Any 2 of these answers)

Sec 2 WB 2.3 Answer

* NA students, please read through these answers as they are also applicable to your worksheet.

Express

Qn 1(a)
Yes. Malawi probably experiences a high rate of population growth because the photograph shows a large family comprising five children.

Qn 1(b)

• The family size tends to be large as many couples marry at an early age. This increases the number of years that women have for childbearing.
• When many couples lack knowledge on family planning, they end up having many children and thus have larger families.

Qn 1(c)
High birth rate and low death rate

Qn 1(d)
Shortage of jobs, shortage of education, shortage of housing, shortage of resources, environmental problems due to increased waste production

Qn 1(e)
Education on family planning - In Bangladesh, family planning advice is given to people living in rural areas.
Incentives and penalties - In China, incentives and penalties are given out through the 'one child' policy to control the population growth.

please note: Common Test questions will definitely be more demanding than the ones found in your workbook.

QnA Population Studies (Sec 2, Chapter 2)

Ask your questions, leave your comments...

Sec 1 WB 2.2 Answer

Qn 1(a)
A: Trees are cut down.
B: Factories that give out a lot of smoke are built.
C: Modern buildings are built.
D: Crops/ Vegetables are planted by people.

Qn 1(b)
By cutting down the trees, the natural habitats of animals are destroyed and the animals may become extinct. (A)
The air becomes polluted. (B)
By constructing buildings, people have changed the physical environment and turned it into a human environment. (C)
The original plants have been removed. (D)

Qn 1(c)
We should be concerned especially if these activities affect the environment negatively. For example, polluted air can make people ill and a loss of trees means a loss of natural habitats.

Qn 1(d) (for express)
A large pit has been dug and a truck is dumping waste into it.

Sec 2 WB 2.2 Answer

Express & Normal Academic

Qn 1(b)
Population density refers to the number of people living in a particular area. It is usually expressed in terms of the number of people per sq kilometre of the land.

Qn 1(c)
These areas have fertile soil.
The climate is not harsh.
There are fresh water resources available.

Qn 1(d)(i) Country with high population density
Singapore
Physical Environment: The climate is not harsh.
Level of Technology: There are well developed transport and communication facilities.
Other factors: There is a high level of development with various economic activities such as manufacturing and tourism.

Bangladesh
Physical Environment: There is an abundant supply of flat and fertile land.
Level of Technology: There are well developed transport and communication facilities.
Other factors: The main economic activity is farming which requires much labour.

Netherlands
Physical Environment: There is an abundant supply of water.
Level of Technology: There are well developed transport and communication facilities.
Other factors: The vibrant city culture has attracted people to live there.

Qn 1(d)(ii) Country with low population density
Greenland
Physical Environment: The climate is harsh or too cold.
Level of Technology: There are limited medical facilities.
Other factors: The place is isolated from the rest of the world. There is a low level of manufacturing.

Nepal
Physical Environment: There are high mountains and infertile soil.
Level of Technology: Amenities such as electrical supply and piped water supply are not widely available.
Other factors: There is a low level of economic development and few jobs are available.

Papua New Guinea
Physical Environment: There are large areas of thick rainforest.
Level of Technology: The transport and communications facilities are not well developed.
Other factors: There is a low level of economic development and few jobs are available.

Qn 2 Photo A
Low population density: In the desert, the hot and dry conditions are unsuitable for living and farming.
Qn 2 Photo B
High population density: Many people live near a river because it provides them with a supply of fresh water.
Qn 2 Photo C
High population density: Many people live in cities as the advances in technology have provided them with comfortable living environments.

Sec 2 WB 2.1 Answer

Express (pg 5) (for Normal Academic students, pls scroll down)

Qn 1(a) 4.4 Billion

Qn 1(b) 8.2 Billion

Qn 1(c)
The world population increased slowly from 1830 to 1900 as shown by the gentle slop of the graph. Population increased from 1 billion to 2 billion.
Population increased more rapidly from 1900 to 1930. A rapid increase in the world's population occurred between 1930 and 1960 as shown by the steep slope of the graph. It increased from 2 billion to 3 billion.
Between 1960 and 2025, a very rapid increase in the world's population is expected. It is expected to increase to 8.2 billion people by the year 2025.

Qn 1(d)(i) The two continents are Asia and Africa

Qn 1(d)(ii) Rise in birth rate and fall in death rate

Qn 1(e)(i)
Rate of natural increase
= Birth Rate - Death Rate
= 36 - 25
= 11 per 1000 people

Qn 1(e)(ii) Positive

Qn 1(f) Their rate of natural increase is likely to be positive.


Normal Academic (pg 5)

Qn 1(a) 4.4 Billion

Qn 1(b) 8.2 Billion

Qn 1(c)(i)
The world population increased slowly from 1830 to 1900. The gentle slop of the graph shows this slow increase from . Population increased from 1 billion to 2 billion people.
Qn 1(c)(ii)
A rapid increase in the world's population occurred between 1930 and1960. The steep slope of the graph shows the rapid increase from 2 billion to 3 billion people.
Qn 1(c)(iii)
Between 1960 and 2025, a very rapid increase in the world's population is expected. The world population is estimated to reach 8.2 billion people by the year 2025.

Qn 1(d)(i) The two continents are Asia and Africa

Qn 1(d)(ii) Rise in birth rate and fall in death rate

Qn 1(e)(i)
Rate of natural increase
= Birth Rate - Death Rate
= 36 - 25
= 11 per 1000 people

Qn 1(e)(ii) Positive

Qn 1(f) Their rate of natural increase is likely to be positive.

Watch me spin!

Just found this wonderful video showing the revolution of the Earth around the Sun. Absolutely thrilled! Hope you'll stop by and be fascinated too.

(Click the word "video" to go to the site.)