Country197119811991 A6.49.610.6 B15.715.715.3 Fill in the blanks: (a) Rate of growth of population of country ……………… has declined between years ……………....
3. What is the idea behind the phrase “population explosion”?
Solution:- The term "population explosion" refers to the quick and large increase in global population over the previous few hundred years. It all started in the mid-nineteenth century. Two-thirds...
2. How can the knowledge of processes of reproduction help people in limiting the size of their families? Give two concrete examples.
Solution:- (i) People should be made aware of the benefits of having small families as well as the drawbacks of having a large family. Education should change the orthodox view, which is to have at...
1. Our resources cannot keep pace with the rising population. Give three examples in support of this statement.
Solution:- (i) Food: Food is one of humans' most basic needs. True, humans have been developing better and better ways to produce more food, but this cannot keep up with the increase in population....
15. List the advantages of having small families.
Solution:- (i) Children from small households, particularly first and only children, have greater levels of academic and personal accomplishment than children from bigger families. (ii) It is less...
14. What is meant by family welfare centres? What is the symbol of family welfare in our country?
Solution:- In India, the inverted red triangle has become a famous symbol representing family well-being. It is prominently displayed in all such offices and hospitals where free family planning...
13. Sterilisation in men means preventing the flow of sperms into the seminal vesicles by cutting or ligating the vas deferens. Can there be a corresponding operation made in women? If yes, where?
Solution:- Yes, a similar operation might be performed on women. In women, the procedure is known as a tubectomy. Tubectomy involves opening the abdomen and cutting or ligating the fallopian tubes...
12. What was the approximate Indian population according to the 1981 census? What was it in 1991?
Solution:- The approximate Indian population according to the 1981 census is 683 million and it was 846 in 1991.
11. List three major landmarks in human history which contributed to the sudden rise in population of the world.
Solution:- (a) Tool making revolution. (b) Agricultural revolution. (c) Scientific industrial revolution.
10. Explain briefly the relationship between poverty and population and how one affects the other.
Solution:- The majority of our society's rural population is still illiterate, uninformed, and believes in superstitions. They also have little understanding of how the human reproductive system...
9. Some great author has said that a population explosion is far more dangerous than an atomic explosion. Justify his statement?
Solution:- A population explosion is far more perilous than an atomic explosion since it causes a slew of serious difficulties that cast doubt on humanity's survival. The fastest-growing human...
8. Mention two reasons for the rapid increase of population in India.
Solution:- (i) Illiteracy: The majority of our society's rural population is still illiterate, uninformed, and believes in superstitions. They also have little understanding of how the human...
7. Give two advantages of a small family?
Solution:- (i) The financial costs of keeping a family together are smaller. (ii) Each child receives greater parental attention and educational benefits, which boosts her self-esteem in...
6. What are the age restrictions for marriage by law for boys and girls in India?
Solution:- The age restrictions for marriage by law for boys is 21 years and for girls is 18 years.
5. What is the present rate of growth of population of the world and of our own country?
Solution:- The present rate of growth of the population of the world is around 1.05% and of India is 1.13%.
4. Mention whether the following statements are true (T) or false (F). Give reason in support of your answer.
(a) Cow was the first domesticated animal. (b) Rapidly growing industries favoured population rise. (c) Present human population growth is following arithmetic progression. (d) Birthrate (natality)...
3. Define the following terms:
(a) Birth rate (b) Death rate (c) Population density (d) Exhaustible resource (e) Rate of growth of population Solution:- (a) The birth rate, also known as natality, is the number of live births per...
2. What is the total world population at present?
Solution:- The world's population is estimated to be at 7.7 billion people.
1. Write true (T) and false (F) for the following:
(a) Vasectomy is the surgical method of sterilisation in human males ………………………………… (b) Tubectomy is the placing of a diaphragm on the cervix………………………………….. Solution:- (a) True. (b)...
2. Name two surgical techniques (one for the human male and another for the human female) that can be used to prevent pregnancy.
Solution:- For male Vasectomy For female Tubectomy
1. Give the technical term for statistical study of human population of a region.
Solution:- the technical term for the statistical study of the human population of a region is Demography.
2. Birth rate is the number of live births
(a) Per 1000 people per year
(b) Per 100 people per decade
(c) Per 1000 people per decade
(d) Per 100 people per year
Solution:- (a) Per 1000 people per year
1. What was directly responsible for the rapid rise of world population in the twentieth century?
(a) Increased food production
(b) Better transport facilities
(c) Better education and job prospects
(d) Use of antibiotics and prophylactic vaccinations
Solution:- (d) Use of antibiotics and prophylactic vaccinations