Venereal diseases can spread through : Choose the correct answer from the options given below.
- A and C only
- A, B and C only
- B, C and D only
- B and C only
Answer
(4) B and C only
Solution
As per NCERT, sexually transmitted infections (venereal diseases) are transmitted through sexual contact, and some of them (hepatitis-B, HIV) also through sharing of injection needles, surgical instruments etc. with infected persons, transfusion of blood, or from an infected mother to the foetus.
A: Incorrect – sterile needles carry no pathogen, so they cannot spread the infection.
B: Correct – transfusion of blood from an infected person.
C: Correct – infected mother to foetus.
D: Incorrect – these infections do not spread by kissing (casual contact).
E: Incorrect – they are infections, not inherited disorders.
∴ Correct: B and C only.
Answer: (4)