2. Questions Bank
  3. 9th Class
  4. Science
  5. Why do we fall Ill?

9th Class Science Why do we fall Ill? Question Bank 9th CBSE Science Why do we fall Ill?

  • question_answer
      What is the incubation period of hepatitis B?

    Answer:

                      AIDS can be transmitted through sexual intercourse, use of contaminated syringes as well as by transfusion of contaminated blood.


You need to login to perform this action.
You will be redirected in 3 sec spinner