This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Population of 1000 is covered by – a) Anganwadi workerb) Health assistantc)  Trained Daid)  Village health guide 
Select and explain. 
A. abc, B. ad, C. bc, D. acd
D: acd
Answer: D: acd 
Explanation: Population of 1000 is covered by :


Anganwadi worker
Trained Dai
Village health guide

About option 'b'
A Health assistant → Per 30000 population in plains, and per 20000 population in hilly, tribal and backward areas.