English
Karnataka Board PUCPUC Science 2nd PUC Class 12

What are the suggested reasons for population explosion?

Advertisements
Advertisements

Question

What are the suggested reasons for population explosion?

Give Reasons
Advertisements

Solution

The following are the causes of population growth-

  1. Due to health facilities, there has been a decrease in Infant Mortality Rate (IMR) and Maternal Mortality Rate (MMR).
  2. Increase in the number of reproductive persons.
  3. Improvement in the standard of living due to good health services.
  4. Due to illiteracy, people do not have knowledge of the means of family planning and the methods of family planning are not fully adopted.
  5. Increase in the production of food grains due to scientific and technological progress.
  6. Many epidemics can be eliminated through community health programmes.
  7. Due to low social status, most poor people believe that the more children they have, the more money they will earn by working.
  8. Due to social customs, couples continue to have children in the hope of having a son.
shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Reproductive Health - EXERCISES [Page 50]

APPEARS IN

NCERT Biology [English] Class 12
Chapter 3 Reproductive Health
EXERCISES | Q 5. | Page 50

RELATED QUESTIONS

Correct the following statement:

Oral pills are very popular contraceptives among the rural women.


A mother of a one-year-old child wanted to space her second child. Her doctor suggested 'copper- T' Explain its contraceptive action. 


What is the method of male known as?


Which of the following is a hormone releasing IUD?


What is the function of macrophages in immune defense?


Which of the following are chemical barriers used as contraceptives?


Emergency contraceptives are effective if used within ______.


Choose the right one among the statements given below.


Condoms are one of the most popular contraceptives becuase of the following reasons.


The correct surgical procedure as a contraceptive method is ______.


Diaphragms are contraceptive devices used by the females.

Choose the correct option from the statements given below:

  1. They are introduced into the uterus
  2. They are placed to cover the cervical region
  3. They act as physical barriers for sperm entry
  4. They act as spermicidal agents

The present population growth rate in India is alarming. Suggest ways to check it.


Copper ions-releasing IUDs are more efficient than non-medicated methods. Why?


What are the advantages of natural methods of contraception over artificial methods?


Comment on the essential features required for an ideal contraceptive.


Discuss the mode of action and advantages/disadvantages of hormonal contraceptives.


Given below are four contraceptive methods and their modes of action. Select the correct match:

Method Mode of action
a) Condom (i) Ovum not able to reach Fallopian tube
b) Vasectomy (ii) Prevents ovulation
c) Pill (iii) Prevents sperm reaching the cervix
d) Tubectomy (iv) Semen contains no sperms

A population that exhibits birth rate identical to death rate implies ______.


When ovulation does not occur during the period of intense lactation following parturition, it is termed as ______.


Which of the following statement is incorrect?


Which of the following is a hormone-releasing contraceptive?


The attributes of population but not of the individual are ______.


Given below are certain situations. Analyse the situation and suggest the name of suitable contraceptive device along with mode of action.

Situation Requirement of contraceptive for - Name of contraceptive device Mode of action
1 blocking the entry of sperms through cervix ______ ______
2 spacing between children ______ ______
3 effective emergency contraceptive ______ ______
4 terminal method to prevent any more pregnancy in female ______ ______
5 sterilization in male ______ ______

The technique used to block the passage of sperm in male is______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×