Teaching EMRS JSA (Junior Secretariat Assistant) Mock Test Series 2023 General Science Biology Human body
Which of the following combinations is correct ?
| Disease | Causative micro-organism | Mode of transmission | |
| (a) | Polio | Bacteria | Air and water |
| (b) | Cholera | Virus | Water and food |
| (c) | Hepatitis B | Bacteria | Food and water |
| (d) | measles | Virus | Air |
1
Only (d)
2
Only (b)
3
(b) and (d)
4
(a) and (c)