Question

BCG vaccine provides protection against
A. Measles
B. T.B.
C. Cholera
D. Small-pox

Answer 1

Hint:Vaccine is the mild non-infectious form of disease injected into the body of humans or animals to trigger acquired immune response and ultimately to provide resistance to the body from that disease. BCG stands for Bacillus Calmette-Guerin vaccine used against tuberculosis.

Complete answer:Measles is a viral disease caused by Morbillivirus mostly occurs in the winter and spring season. This can be spread from one person to another via droplets of cough. There are two vaccines to protect against measles namely, the MMR vaccine and the MMRV vaccine.
V. cholera is a bacterial disease causing diarrhea and dehydration. The causative agent is Vibrio cholerae, usually spread via contaminated water. Vaxchora is an oral vaccine for Cholera.
Smallpox is a contagious viral disease caused by the Variola virus. The vaccine used to treat smallpox is Vaccinia.
T.B. i.e. Tuberculosis is a bacterial disease that causes severe infection to the lungs. Spreads when an infected person coughs or sneezes. Mycobacterium tuberculosis is the causative agent for T.B.
BCG vaccine Bacillus Calmette-Guerin vaccine is used for the treatment.
So, the correct answer to the question is option B) T.B.

Additional information:
Symptoms for T.B. are as below-
Heavy cough lasting from three weeks or longer, chest pain, coughing blood.

Note:

Diseases	Causative agent	Vaccine / treatment
Measles	Morbillivirus	MMR vaccine and the MMRV vaccine
Cholera	Vibrio cholerae	Vaxchora
Smallpox	Variola virus	Vaccinia
Tuberculosis	Mycobacterium tuberculosis	BCG vaccine