Goyal Brothers Class-10 Population and Related Problems in India ICSE Biology Solutions Ch-13. We Provide Solutions of Test yourself , MCQs, Very Short Answer, Short Answer of Exercise-13 Population and Related Problems in India . All solutions are given as council prescribe guideline for next upcoming exam. Visit official Website CISCE for detail information about ICSE Board Class-10 Biology.
Ch-13 Population and Related Problems in India Goyal Brothers Prakashan ICSE Class-10 Biology Solutions
Board | ICSE |
Publications | Goyal Brothers publications |
Subject | Biology |
Class | 10th |
Writer | Dr. K.K. Aggrawal |
Chapter-13 | Population and Related Problems in India |
Topics | Solutions of MCQ, Very short and Short Answer Questions |
Edition | for 2022-2023 Academic Session |
Test Yourself-1
Ch-13 Population and Related Problems in India Goyal Brothers Prakashan ICSE Class-10 Biology Solutions
(Page-194)
(i) Give any two reasons behind populations explosion in India.
…………………………
Answer : There two main causes of high increase in population in India viz. High Birth Rate, and Low Death Rate
(ii) Name three major population revolutions in the course of human history.
1. ………………
2. ……………….
3. ……………….
Answer :
Human history has been shaped by three major revolutions: the Cognitive Revolution (70,000 years ago), the Agricultural Revolution (10,000 years ago), and the Scientific Revolution (500 years ago).
Test Yourself-2
Ch-13 Population and Related Problems in India Goyal Brothers Prakashan ICSE Class-10 Biology Solutions
(Page-196)
Complete the statements :
(i) The study of the vital statistics of populations and how they change over time is called …….Demography.………
(ii) Population density is the number of individuals per ……..unit area or volume ………. at any given time.
(iii) Growth rate of population is the difference between the birth rate and …..death rates……
(iv) Unequal distribution of wealth is the ….Wealth inequality……… in the country.
Test Yourself-3
Ch-13 Population and Related Problems in India Goyal Brothers Prakashan ICSE Class-10 Biology Solutions
(Page-199)
The figure given alongside is a technique. Answer the questions that follow:
(i) Name the process/ technique shown.
(ii) What is the purpose of this technique?
(iii) Name the organs numbered 1 to 3.
(iv) Name a similar technique adopted in males.
Answer :
(i) Tubectomy
(ii) female sterilization
(iii) 1.infundibulum,2. ampula 3. cutting part of oviduct
(iv) vasectomy
A. MULTIPLE CHOICE TYPE
Ch-13 Population and Related Problems in India Goyal Brothers Prakashan ICSE Class-10 Biology Solutions
(Page-200)
A. CHOOSE THE MOST APPROPRIATE ANSWER
1. Maximum number of individuals an environment can support is called
(a) biotic potential
(b) carrying capacity
(c) birth rate
(d) mortality
Answer : (b) carrying capacity
2. Cutting and ligating vas deferens is called
(a) vasectomy
(b) tubectomy
(c) aminocentesis
(d) IUCD
Answer : (a) vasectomy
3. Which of the following is not a method of birth control?
(a) Tubectomy
(b) Contraceptive pills
(c) Vasectomy
(d) Amniocentesis
Answer : (d) Amniocentesis
4. Population explosion has led to
(a) environmental pollution
(b) deforestation
(c) shortage of natural resources
(d) All the above
Answer : (d) All the above
5. Birth rate is the number of live births
(a) per 100 people per year.
(b) per 1000 people per year.
(c) per 100 people per month.
(d) per 1000 people per month.
Answer : (b) per 1000 people per year.
B. VERY SHORT ANSWER QUESTIONS
Ch-13 Population and Related Problems in India Goyal Brothers Prakashan ICSE Class-10 Biology Solutions
(Page-200)
Question 1. Name the following:
(i) Average number of children per unit time.
(ii) The process by which fallopian tubes are ligated
(iii) The statistical study of human population of region.
(iv) A method of contraception in which the sperm duct is cut and ligated.
(v) The number of persons living per square kilometre at any given time,
(vi) The number of individuals inhabiting per unit area.
Answer :
(i) Natality or birth rate
(ii) Tubal ligation
(iii) Demography
(iv) Vasectomy
(v) Population density
(vi) Population density
Question 2. Fill in the blanks:
(i) The scientific study of population is called …. population demographics .
(ii) Population increases in ..geometric … ratio while food production increases in arithmetic ratio.
(iii) ...vasectomy.... is the cutting of spermatic ducts in males.
(iv) Birth rate is the number of …..Birth……….. per thousand of the population per year,
Question 3. Mention if the following statements are true/false. If false, rewrite the wrong one in the correct form by changing the words printed in bold face:
(i) Overpopulation has no effect on resources.
(ii) Tidal, wind and nuclear energy are the conventional forms of energy.
(iii) The cutting of fallopian tube in female is called vasectomy.
(iv) Mortality is the number of deaths per thousand of the population per decade
(v) Tubectomy is the surgical method of sterilization in males.
Answer :
(i) False, Overpopulation has great effect on natural resources.
(ii) False, Tidal, wind and nuclear energy are the non conventional forms of energy.
(iii) false, The cutting of fallopian tube in female is called tubectomy.
(iv) true
(v) false, Tubectomy is the surgical method of sterilization in females.
C. SHORT ANSWER QUESTIONS
Ch-13 Population and Related Problems in India Goyal Brothers Prakashan ICSE Class-10 Biology Solutions
(Page-201)
Question 1. Define :
(i) Birth Rate
(ii) Death Rate
(iii) Demography
(iv) Census
(v) Population density
Answer :
(i) The birth rate is the ratio between the number of live-born births in the year and the average total population of that year
(ii) The crude death rate is the number of deaths occurring among the population of a given geographical area during a given year, per 1,000 mid-year total population of the given geographical area during the same year
(iii) Demography is the statistical study of human populations. Demographers use census data, surveys, and statistical models to analyze the size, movement, and structure of populations.
(iv) A census is a survey conducted on the full set of observation objects belonging to a given population or universe. Context: A census is the complete enumeration of a population or groups at a point in time with respect to well defined characteristics: for example, population, production, traffic on particular roads
(v) The population density is the number of population per unit of total land area of a country
Question 2. What is the age limit tor marriage by law for boys and girls in India?
Answer : government of India has proposed raising the minimum legal age of marriage for women from 18 to 21 years. Currently, the minimum legal age for women to marry is 18 years; for men, the corresponding age is 21 years.
Question 3. Name the two surgical techniques (one each for human male and female) which can be used to prevent pregnancy.
Answer : tubectomy in female and vasectomy in male
Question 4. Mention two reasons for the high birth rate in India.
Answer : Lack of family planning education or contraceptives.
Question 5. Write any two major reasons for the population explosion in the world.
Answer : –Reduced mortality rate and increased life expectancy due to improved medical services
Question 6. Mention three reasons why the growth of population has not been appreciably checked in India.
Answer :
- Most of the rural population is illiterate and ignorant which makes them unaware about the importance of a small family.
- Most of the Indian families hold the view that the male child is essential for the family. Therefore, till they get a son, such families keep having several children.
- Our religious and social customs are such that most people do not accept family planning norms.
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