CBSE Class 10 Science 2015 Term II Delhi Set 2

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Question : 9
Total: 11
What are sexually transmitted diseases. List two example of each diseases caused due to (i) bacterial infection and (ii) viral infection. Which device or devices may be used to prevent the spread of such diseases?
Solution:  
Diseases which are transmitted from an infected person to a healthy person are called Sexually Transmitted Diseases.
Two examples of STDs are :
(i) Bacterial diseases - Gonorrhoea and syphilis
(ii) Viral diseases - Warts and AIDS
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