Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Polity Basics of Constitution
Disease like diarrhoea, dysentery, cholera can be prevented through
1
education of health and hygiene
2
better health care facilities
3
providing safe drinking water
4
More than one of the above
5
None of the above