Factors Affecting Population Density

Q.

Answer the following questions.

Define death rate.

Q.

How does the mortality rate affect population growth?

Q.

Distinguish between population growth and population change.

Q.

Explain four basic processes due to fluctuation in density of population in a given habitat?

Q.

Mention whether the following statements are True or False.
(a) Cow was the first domesticated animal.
(b) Rapidly growing industries favoured population rise.
(c) Present human population growth is follwoing arithemetic progression.
(d) Natality is the ratio of the number of births to the size of the population.
(e) Tubectomy is a popular surgical method of contraception in human males.

1. (a) True
   (b) True
   (c) False
   (d) False
   (e) True

2. (a) True
   (b) False
   (c) True
   (d) False
   (e) True

3. (a) False
   (b) True
   (c) False
   (d) True
   (e) False

4. (a) False
   (b) True
   (c) True
   (d) False
   (e) False

Q. explain the term annual growth rate of population. how is it affected by the birth rate ??

Q.

Birth rate is the number of live births per thousand persons in_________.

1. 10 years

2. 6 years

3. 3 years

4. 1 year

Q.

Name the factors that affect the population density.

1. Birth rate

2. Inventions

3. Evolution

4. Natural disasters

Q.

The human population in 2010 was growing approximately at the rate of 3, 020 per hour.

1. True

2. False

Q. Production of food rises by (i)______ while population grows by (ii)_____.

1. (i) Arithmetic Progression, (ii) Geometric Progression
2. (i) Geometric Progression, (ii) Arithmetic Progression
3. (i) Harmonic Progression, (ii) Arithmetic Progression
4. (i) Arithmetic Progression, (ii) Harmonic Progression

Q. Most important parameter for determining population growth is

1. Population size
2. Natality
3. Vital index
4. Population growth curves

Q.

The scientific study of human population is called_________.

1. Birth rate

2. Mortality

3. Demography

4. Population density

Q. Production of food rises by (i)______ while population grows by (ii)_____.

1. (i) Arithmetic Progression, (ii) Geometric Progression
2. (i) Geometric Progression, (ii) Arithmetic Progression
3. (i) Arithmetic Progression, (ii) Harmonic Progression
4. (i) Harmonic Progression, (ii) Arithmetic Progression

Q.

Population is a group of__________.

1. individuals in a town

2. individuals in a state

3. individuals in a country

4. all of these

Q.

Which of the following factors is not responsible for the population explosion in India?

1. Traditional beliefs

2. Mortality rate

3. Desire for male child

4. Control in birth rate

Q.

___ can be the name for people moving out of a population.

1. Immigration

2. Emigration

3. Evolution

4. Invention

Q.

People moving into a population can be named as

1. Natality

2. Immigration

3. Mortality

4. Emigration

Q.

Give another name for the death rate.

1. Natality

2. Dispersal

3. Evolution

4. Mortality