What are congenital diseases?

What do you mean by congenital diseases? Give one example.

Name atleast one congenital disease which occurs (a) due to gene or chromosomal mutation (b) due to the effect of environmental factors.

Assertion : AIDS is not a congenital disease. Reason : AIDS is the deficiency of immune system acquired during the lifetime of an individual.

What are communicable diseases?

What are communicable diseases ? Give two examples.

Choose the correct set of statements from the following (I) Phenylketonuria is an inborn error of Metabolism (II) Haemophilia is not a congenital disease (III) Bleeder's disease is known as Royal family Disease (IV) Dizygotic twins are common in human beings

What are lifestyle diseases ? How are they caused ? Name any two such diseases.