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Selina solutions for Class 10 Biology chapter 11 - Population - The Increasing Numbers and Rising Problems

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Chapter 11: Population - The Increasing Numbers and Rising Problems

Chapter 11: Population - The Increasing Numbers and Rising Problems solutions [Page 0]

MULTIPLE CHOICE TYPE:

What was directly responsible for the rapid rise of world population in the twentienth century?
(a) Increased food production
(b) Better transport facilities
(c) Better education and job prospects
(d) Use of antibiotics and prophylactic vaccinations

MULTIPLE CHOICE TYPE:

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

Chapter 11: Population - The Increasing Numbers and Rising Problems solutions [Page 0]

Give the technical term for the statistical study of human population of a region.

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

Chapter 11: Population - The Increasing Numbers and Rising Problems solutions [Page 0]

Write true (T) or false (F) for the following:

Vasectomy is the surgical method of sterilization in human males………….

Write true (T) or false (F) for the following:

Tubectomy is the placing of a diaphragm on the cervix……………………..

What is the total world population at present?

Define the terms Birth rate.

Define the terms Death rate.

Define the terms Rate of growth of population.

Define the terms Population density.

Define the terms Exhaustible resource.

Mention whether the following statement is true (T) or false (F) Give reason in support of
your answer.

Cow was the first domesticated animal

Mention whether the following statement is true (T) or false (F) Give reason in support of
your answer.

Rapidly growing industries favoured population rise.

Mention whether the following statement is true (T) or false (F) Give reason in support of
your answer.

Present human population growth is following arithmetic progression.

Mention whether the following statement is true (T) or false (F) Give reason in support of
your answer.

Birth rate (natality is the number of live births per hundred people of population per decade).

Mention whether the following statement is true (T) or false (F) Give reason in support of
your answer.

Tubectomy is a popular surgical method of contraception in human males.

What is the present rate of growth of population of the world and of our own country?

What are the age restrictions for marriage by law for boys and girls in india?

Give two advantage of a small family.

State two reasons for the increase of population in India.

Some great author has said that a population explosion is far more dangerous than an atomic explosion. Justify his statement?

Explain briefly the relationship between poverty and population and how one affects the other.

What was the approximate Indian population according to the 1981 census? What was it in 1991?

List three major landmarks in human history which contributed to the sudden rise in population of the world.

Sterilization in men means preventing the flow of sperms into the seminal vesicles by cutting or ligaturing the vas deferens. Can there be a corresponding operation made in women? If yes, where?

What is meant by family welfare centres? What is the symbols of family welfare in our country?

List the advantages of having small families.

Chapter 11: Population - The Increasing Numbers and Rising Problems solutions [Page 0]

Our resources cannot keep pace with the rising population. Give three examples in support of this statement.

How can the knowledge of processes of reproduction help people in limiting the size of their families? Give two concrete examples

What is the idea behind the phrase “ population explosion”?

Chapter 11: Population - The Increasing Numbers and Rising Problems solutions [Page 0]

Given below are hypothetical figures in regard to population (in crores) of two countries A and B during the last three decades.

Country 1971 1981 1991
A 6.4 9.6 10.6
B 15.7 15.7 15.3

Fill in the blanks:
(a) Rate of growth of population of country ……….. has declined between years ………… and ………….
(b) The country …………… shows negative population growth between years …….. and …………
(c) The country …………….. shows zero population growth between years ………….. and ………………….

Chapter 11: Population - The Increasing Numbers and Rising Problems

Selina Selina ICSE Concise Biology Class 10

Selina ICSE Concise Biology for Class 10 - Shaalaa.com

Selina solutions for Class 10 Biology chapter 11 - Population - The Increasing Numbers and Rising Problems

Selina solutions for Class 10 Biology chapter 11 (Population - The Increasing Numbers and Rising Problems) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Selina ICSE Concise Biology for Class 10 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com are providing such solutions so that students can prepare for written exams. Selina textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 10 Biology chapter 11 Population - The Increasing Numbers and Rising Problems are Concept of Population, Problems Posed by the Increase in Population in India, Need for Adopting Control Measures - Population Control.

Using Selina Class 10 solutions Population - The Increasing Numbers and Rising Problems exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 10 prefer Selina Textbook Solutions to score more in exam.

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