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Chapters
1: Cell: The structural and functional unit of life
2: Structure of chromosome, cell cycle and cell division
3: Genetics: Some Basic Fundamentals
Unit-2 : Plant Physiology
4: Absorption by roots: The Processes Involved
5: Transpiration
6: Photosynthesis
7: Chemical Coordination in Plants
Unit-3 : Human Anatomy and Physiology
8: The Circulatory System
9: The Excretory System
10: The Nervous System
11: Sense Organs
12: The Endocrine System
13: The Reproductive System
Unit-4 : Human Evolution
14: Human Evolution
Unit-5 : Population
▶ 15: Population: The increasing numbers and rising problems
Unit-6 : Pollution
16: Pollution: A Rising Environmental Problem
![Selina solutions for कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई chapter 15 - Population: The increasing numbers and rising problems - Shaalaa.com](/images/concise-biology-english-class-10-icse_6:ef7ce859851f409bac2f7c3be6afc248.jpg "Selina solutions for कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई chapter 15 - Population: The increasing numbers and rising problems")
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Solutions for Chapter 15: Population: The increasing numbers and rising problems
Below listed, you can find solutions for Chapter 15 of CISCE Selina for कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई.
Selina solutions for कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई 15 Population: The increasing numbers and rising problems Progress Check [Pages 201 - 209]
Name the three great cultural revolutions that favoured a steep rise in population.
Mention two areas of medical sciences which have indirectly contributed to high growth in human population.
Is the present day human population growth following a J-shaped curve or S-shaped curve?
Write any six factors which have contributed to a rapid rise of human population in recent times in the world.
Give the approximate figures for the population in India in million at the beginning of twentieth century.
Give the approximate figures for the population in India in million at the end of twentieth century.
Mention whether the following statements are True (T) or False (F).
Urbanisation is the enlargement of towns covering a very large area together with modern facilities.
True
False
Rising population is leading to an increased coverage of land for raising forests.
True
False
Coal and iron are inexhaustible resources.
True
False
Fill up the blanks by choosing the right option.
Public conveyances like buses and railways are ______.
necessities
luxuries
Many sets of garments per member in a family is ______.
a necessity
fashion
Petroleum is a resource of the same category as that of ______.
copper
ground water
Give Technical Terms: A statistical study of human population of a region.
Give the technical terms for the following:
Number of deaths per 1000 people per year.
Give the technical terms for the following:
Number of individuals per sq. km. at any given time.
Give Technical Terms: The technical term used for the difference between birth rate and death rate in population.
List any three consequences of high population density.
List any five major disadvantages of having large families.
What are the age restrictions for marriage for boys and girls respectively in India?
What are the three aspects covered under family welfare?
State whether the following statements are True (T) or False (F). If false, write the correct word for the one which is wrong.
Some vitamin preparations prevent the release of the egg from the ovary.
True
False
Use of a condom for contraception is a barrier method.
True
False
IUDs prevent implantation of embryo in vagina.
True
False
Tubectomy is performed on females.
True
False
Write the full form of MTP.
In what circumstances is MTP recommended?
Selina solutions for कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई 15 Population: The increasing numbers and rising problems Review Questions [Pages 210 - 211]
MULTIPLE CHOICE TYPE (Select the most appropriate option in each case)
The statistical study of human population is ___________.
Demography
Morphology
Etymology
Seismography
Mortality
Natality
Equality
Population density
Population growth
Population explosion
Surgical method of sterilization in women involves cutting and tying of ______.
Ureter
Fallopian tube
Uterus
Urethra
When the number of individuals added to the population exceeds the number of individuals lost, there is ______.
Decrease in carrying capacity
Exponential population growth
Zero population growth
Decrease in biotic potential
The symbol of family welfare is ______.
Red circle
Green triangle
Red square
Red inverted triangle
Death rate is the number of deaths ______.
per 1000 people per year
per 100 people per decade
per 1000 people per decade
per 100 people per year
What was directly responsible for the rapid rise of world population in the twentieth century?
Better education and jobs
Religious and social customs
Better healthcare
Increased food production
Which of the following is not a non-conventional source of energy?
Nuclear energy
Tidal energy
Petroleum energy
Wind energy
Birth rate is technically termed as ______.
Population density
Natality
Carrying capacity
Mortality
Which of the following is an exhaustible source of energy?
Fossil fuels
Nuclear energy
Solar energy
Wmd energy
What are the age restrictions for marriage by law for boys and girls in india?
18 years, 21 years
21 years, 19 years
21 years, 18 years
18 years, 17 years
VERY SHORT ANSWER TYPE
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.
Vasectomy is the surgical method of sterilisation in human males.
True
False
Tubectomy is the placing of a diaphragm on the cervix.
True
False
Cow was the first domesticated animal.
True
False
Rapidly growing industries favoured population rise
True
False
Present human population growth is following arithmetic progression.
True
False
Birth rate (natality) is the number of live births per hundred people of population per decade.
True
False
Tubectomy is a popular surgical method of contraception in human males.
True
False
List three major landmarks in human history which contributed to the sudden rise in population of the world.
Sterilisation in men means preventing the flow of sperms into the seminal vesicles by cutting and ligating the vas deferens. Can there be a corresponding operation made in women? If yes, where?
Write the full form of the following abbreviation:
IUDs
Write the full form of the following abbreviation:
MTP
Explain briefly the relationship between poverty and population and how one affects the other.
Mention two reasons for the rapid increase of population in India.
Match the terms given in column A with those in column B.
| Column A | Column B | ||
| (a) | Forest | (i) | Arithmetic progression |
| (b) | Food | (ii) | Geometric progression |
| (c) | Population | (iii) | Deforestation |
| (d) | Coal | (iv) | Afforestation |
| (e) | Flash floods | (v) | Renewable source of energy |
| (vi) | Non-renewable source of energy |
Given below is a set of paired terms. The first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Death rate : Mortality :: Birth rate : ______.
Given below is a set of paired terms. The first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Tubectomy : Oviduct :: Vasectomy : ______.
Given below is a set of paired terms. The first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Intrauterine device : Copper-T :: Oral pills : ______.
Given below is a set of paired terms. The first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Barrier method : Diaphragms :: Surgical method : ______.
Given below is a set of paired terms. The first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Cutting down of forests : Deforestation :: Planting more trees : ______.
DESCRIPTIVE TYPE
Define the following term:
Population
Define the following term:
Population density
Define the following term:
Demography
Define the following term:
Resources
Define the following term:
Growth rate of population
Distinguish between the following pair:
Exhaustible and Inexhaustible resources.
Distinguish between the following pair:
Conventional and Non-conventional sources of energy.
Distinguish between the following pair:
Natality and Mortality.
Distinguish between the following pair:
Tubectomy and Vasectomy.
Distinguish between the following pair:
Deforestation and Afforestation.
What do you mean by the 3Rs in the context of sustainable development?
Our resources cannot keep pace with the rising population. Give three examples in support of this statement.
How can the knowledge of the process of reproduction help people in limiting the size of their families? Give two concrete examples.
What is the idea behind the phrase “population explosion”?
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:
- Rate of growth of population of country ______ has declined between years ______ and ______.
- The country ______ shows negative population growth between years ______ shows negative population growth between years ______.
- The country ______ shows zero population growth between years ______ and ______.
Observe the diagrams (A) and (B) given below and answer the following questions.
 |
 |
- Label the parts 1 to 5.
- What does figure A depict?
- What does figure B depict?
- Comment on P and Q.
- Mention one function each of part 2 and 4.
Solutions for 15: Population: The increasing numbers and rising problems
Selina solutions for कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई chapter 15 - Population: The increasing numbers and rising problems
Shaalaa.com has the CISCE Mathematics कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई CISCE 15 (Population: The increasing numbers and rising problems) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Selina textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई chapter 15 Population: The increasing numbers and rising problems are Rising Population - A Global Threat, World Population Through the Ages, Rapid Rise in Population, Population Explosion- A Serious Global Concern, Simplified Model Of Population Growth, Concept of Population in India, Factors Responsible For The Population Explosion In India, Rising Population - Pressure on Natural Resources, Population Growth And Urbanisation: Pressure On Resources, Need To Reduce Population Growth Rate, Need For Adopting Control Measures, Population Education And Population Control, Rising Population - A Global Threat, World Population Through the Ages, Rapid Rise in Population, Population Explosion- A Serious Global Concern, Simplified Model Of Population Growth, Concept of Population in India, Factors Responsible For The Population Explosion In India, Rising Population - Pressure on Natural Resources, Population Growth And Urbanisation: Pressure On Resources, Need To Reduce Population Growth Rate, Need For Adopting Control Measures, Population Education And Population Control, Rising Population - A Global Threat, World Population Through the Ages, Rapid Rise in Population, Population Explosion- A Serious Global Concern, Simplified Model Of Population Growth, Concept of Population in India, Factors Responsible For The Population Explosion In India, Rising Population - Pressure on Natural Resources, Population Growth And Urbanisation: Pressure On Resources, Need To Reduce Population Growth Rate, Need For Adopting Control Measures, Population Education And Population Control.
Using Selina कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई solutions Population: The increasing numbers and rising problems exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE कन्साइस बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई students prefer Selina Textbook Solutions to score more in exams.
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