The causative organism of tuberculosis is:   

Correct option is A

Answer: (a) Mycobacterium tuberculosis
· Explanation: This bacterium affects the lungs and other organs.
· (b) Salmonella typhi – Typhoid.
· (c) Streptococcus – Sore throat, pneumonia.
· (d) Bacillus anthracis – Anthrax.