Option 1 in the given question states that diseases 1 (Cholera) and 3 (Filaria) are caused by bacteria. Cholera is indeed caused by a bacterium called Vibrio cholerae, which is transmitted through contaminated water and food. However, Filaria, also known as lymphatic filariasis, is not caused by bacteria. It is a parasitic disease caused by the filarial worms Wuchereria bancrofti, Brugia malayi, and Brugia timori. Therefore, option 1 is incorrect.

Option 2 in the given question states that diseases 2 (Tuberculosis) and 4 (Typhoid) are caused by bacteria. This is partially correct. Tuberculosis is indeed caused by the bacterium Mycobacterium tuberculosis. It primarily affects the lungs but can also affect other parts of the body. Typhoid, on the other hand, is caused by the bacterium Salmonella enterica serovar Typhi. It is transmitted through contaminated food and water. Therefore, option 2 is incorrect.

Option 3 in the given question states that diseases 1 (Cholera), 3 (Filaria), and 4 (Typh