Question

Question 14:
Write the full forms of the following as they occur in biology :
(i) STD (ii) AIDS (iii) HIV

Lakhmir Singh Biology Class 10

Answer 1

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STD=(sexually transmitted disease)

AIDS=(acquired immuno deficiency syndrome) 

HIV=(human immunodeficiency virus)

Answer 2

STD = Subscriber Trunk Dialling
AIDS = Acquired Immune Deficiency Syndrome
HIV = Human Immunodeficiency Virus