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Population - The Increasing Numbers And Rising Problems
Mention three main reasons for the sharp rise in ‘human population’ in the world.
Reasons for the sharp rise in human population in the world are as follows:
1. Better health care is available for all age groups. There are advanced facilities,
doctors and medicines available.
2. Food shortage has been overcome due to the Green Revolution. Better quality
food is produced and is available to all.
3. There are now fewer deaths as compared to ancient times. This is because of the
discovery of medicines and vaccines and large-scale immunization which have controlled and even wiped out many diseases.
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State whether the following statements are true or false. lf false rewrite the correct
form of the statement by changing the first or last word only.
Answer the following briefly:
(ii) Give three advantages of a small family.
Answer the following briefly:
Explain the terms:
1. Population density
Answer the following briefly:
(iii) Explain the terms:
2. Natality
Name the following:
(i) The statistical study of the human population of a region.
Explain the following terms:
(i) Natality
What are the age restrictions for marriage of boys and girls In India?
Give technical terms for the following:
(i) A method of contraception in which the sperm duct is cut and ligated
Give technical terms for the following:
(ii) Statistical study of human population
Given below are incomplete explanations of certain biological processes/terms where a keyword has been left out. Rewrite the completed explanation by inserting the keyword in the space indicated by ^.
(i) Birthrate Is the number of ‘^’ births per thousand of the population per year.
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