Population Srijan Publications Solutions ICSE Class-10 Ch-14

Population Srijan Publications Solutions ICSE Class-10 Ch-14. We Provide Solutions of Very Short Answer Type, Short Answer Type, Long Answer Type Questions and MCQs of Exercise-14 Population and Related problems in India Srijan Publications ICSE Class-10 Ch-14. Visit official Website CISCE  for detail information about ICSE Board Class-10.

Population and Related problems in India Srijan Publications Solutions ICSE Class-10 Ch-14

Board ICSE
Publications Srijan Publications
Subject  Biology
Class 10th
Writer Veer Bala Rastogi
Chapter-14 Population and Related problems in India
Topics Solutions of  MCQs, Very short and Short Long  Answers Questions
Edition for 2022-2023 Academic Session

A. VERY SHORT ANSWER TYPE QUESTIONS

Ch-14 Population and Related problems in India Srijan Publications ICSE Class-10 Biology Solutions

(Page-215)

Questions 1. Give one word for the following:

(a) The scientific study of the human population.–Demography

(b) The number of individuals per square kilometre.–population density

(c) Average number of births per unit time.—Mortality

(d) The difference between birth rate and death rate. growth rate

(e) Statistical study of human population of a region. Demography

(f) A method of contraception in which the sperm duct is cut and ligated–A vasectomy

(g) Statistical study of human population.–Demography

(h) The number of individuals inhabiting per unit area–Population density

Questions 2. Fill in the blanks with suitable words.

(a) The world population crossed ….7…. billion in the year 2020.

(b) Population increases in ..Geometric.. ratio while food production increases in ….arithmetic…. ratio.

(c) Birth rate is the number of ….live… births per thousand of the population per year.

(d) Minimum age of marriage, i.e., …21..  for boys and …18…. for girls should be enforced strictly.

(e) Popular symbol of family planning is …An inverted Red Triangle ……

(f) …..Tubectomy…. is the cutting of fallopian tubes in females.

Questions 3. Mention whether the following statements are true or false. If false, rewrite the correct statement by changing the underlined words.

(a) Food production has increased due to advancement in science and technology.

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

(c) Mortality is the number of deaths per thousand of the population per decade.

(d) Overpopulation has no effect on resources.

(e) Tubectomy is the cutting and legating the sperm duct in male.

 

B. Short Answer Type Questions

Ch-14 Population and Related problems in India Srijan Publications ICSE Class-10 Biology Solutions

(Page-215)

Questions 1. Answer the following questions.

(a) Mention three main reasons for the sharp rise in Human population’ in the world.

(b) Mention two reasons for the increase of population in India.

(c) Give three advantages of a small family.

(d) Name two surgical techniques (one for the human male and another for the human female) that can be used to prevent pregnancy in the female.

Answer :

(a)  Reasons for the sharp rise in human population in the world are as follows:

  • Better health care is available for all age groups. There are advanced facilities, …
  • Food shortage has been overcome due to the Green Revolution. Better quality. …
  • There are now fewer deaths as compared to ancient times. This is because of the

(b)   reasons for the increase of population in India

  • Low Age at Marriage: …
  • High Illiteracy: …
  • Religious Attitude towards Family Planning:

(c) benefits of a small family.

  • Better life quality for children. …
  • Amplified economic success. …
  • Better life quality for parents. …
  • Less pressure on family budgets. …
  • Maximum level of happiness. …
  • Less strain for mothers. …
  • A small family is an ecologically sustainable option

(d) Tubectomy and vasectomy

Questions 2. Define the following terms.

(a) Demography–Demography is the statistical study of human populations

(b) Natality–Natality refers to the birth rate within a population. It can be expressed as the number of births per 1,000 individuals

(c) Population density–Population density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density

(d) Birth rate: the number of live births per thousand of population per year.

(e) Death rate:  usually calculated as the number of deaths per one thousand people per year.

(f) IUD:- a contraceptive device fitted inside the uterus and physically preventing the implantation of fertilized ova.

(g) MTP: The Medical Termination of Pregnancy Act, 1971. (Act No. 34 of 1971) (10th August 1971) An Act to provide for the termination of certain pregnancies by registered Medical Practitioners and for matters connected

(h) Vasectomy: surgical division or resection of all or part of the vas deferens usually to induce sterility in human male

 

C. Long Answer Type Questions

Ch-14 Population and Related problems in India Srijan Publications ICSE Class-10 Biology Solutions

(Page-215)

Questions 1. Describe the factors that affect population density.

Answer : Physical factors that affect population density include water supply, climate, relief (shape of the land), vegetation, soils and availability of natural resources and energy. Human factors that affect population density include social, political and economic factors

Questions 2. Define growth curve. Discuss the phases of various types of growth curves.

Answer :

A growth curve is a graphical representation that shows the course of a phenomenon over time. An example of a growth curve might be a chart showing a country’s population increase over time.

There are two types of growth curves: the j shaped growth curve and the s-shaped growth curve. Both the types of growth curves fit population growth models that have different environmental pressures

— : End of Population Srijan Publications Solutions ICSE Class-10 Ch-14 :–

Return to :- Srijan Publication ICSE Biology for Class 10 Solutions

Thanks

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

error: Content is protected !!