Q2 of 38 Page 175

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

There are two surgical techniques that can be used to prevent pregnancy.

(a) Tubectomy - It is performed in females


(b) Vasectomy- It is done in males.


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2

Birth rate is the number of live births

 1

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

 1

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

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


(b) Tubectomy is the placing of a diaphragm on the cervix……………………………

 2

What is the total world population at present?