Population and Its Control Questions and Answers Class 10

1 Mark Questions

Question 1 : Write any two major reasons for the population explosion in India.

Answer : Two major reasons for the population explosion in India are:

i) illiteracy

ii) High birth rate

Question 2 : Give the biological/technical terms for the following.

Statistical study of human population.

Answer : Demography is statistical study of human population.

Question 3 : Write any two major reasons for the population explosion in the world.

Answer : i) Abundance of food.

ii) Decreased death rate.

Question 4 : Differentiate between the natality and mortality. (definition)

Answer : Natality : It is defined as the total number of live births per 1,000 individuals of a population per year.

Mortality : It is defined as the total number of deaths per 1,000 individuals of a population per year.

Question 5 : Explain the term natality.

Answer : It is defined as the total number of live births per 1,000 individuals of a population per year.

Question 6 : Insert a key word in place of ‘^’ in the statement given below and complete it. Birth rate is the number of ‘^’ births per thousand of the population per year.

Answer : Natality or birth rate is the number of live birth per thousand of the population per year.

Question 7 : Mention three main reasons for the sharp rise in human population in the world.

Answer : i) Decreased death rate due to advanced medical facilities.

ii) Increase in the food availability due to advanced agricultural technology.

iii) Fewer infant deaths.

Question 8 : Explain the term death rate.

Answer : Death rate is the number of deaths per thousand of the population per year.

Question 9 : Mention three reasons why the growth of population has not been appreciably checked in India.

Answer : i) Illiteracy

ii) Desire for a male child.

iii) Children are regarded as God’s gift.

Question 10 : State true or false. If false, write the correct statement by changing the incorrect word/words only.

Mortality is the number of deaths per thousand of the population per decade.

Answer : The statement is false. Mortality is the number of deaths per thousand of the population per year.

Question 11 : Mention two reasons for the high birth rate in India.

Answer : i) Advancement of medical science, so there is low infant mortality.

ii) Better health care facilities.

Question 12 : Explain the term birth rate.

Answer : Birth rate is the number of live birth per thousand of the population per year.

Question 13 : Given below is the biological statement which is incomplete and hence incorrect. Rewrite the correct form of the statement by inserting a suitable word/words at the right place. Do not delete any word already given in the statement.

Death rate is the number of deaths of the given population per year.

Answer : Death rate is the number of deaths per thousand of the population per year.

Biology Questions and Answers ICSE Class 10 :