This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health Education & Communication, Subject name: Social & Preventive Medicine
All are true about panel discussion except - 
Select and explain. 
A. Two way discussion, B. 6 to 20 members participates, C. Chief members initiates, D. Each one prepares the topic of discussion
B: 6 to 20 members participates
Answer: B: 6 to 20 members participates 
Explanation: Ans. is 'b' i.e., 6-20 members participates [Ref Park 22nd/e p. 80S & 21nd/e p. 804JPanel discussiono It is a two way communication.o 4-8 persons who are qualified to talk about a topic and discuss a given problem in front of a large group or audience.o The panel comprises a chairman.o The chairman opens the meeting, welcomes the group and introduces the panel speakers,o He indroduces topic briefly and invite the panel speakers to present their point of view,o After the main aspects of subject are explored by panel speakers, the audience is invited to take part,o If members of the panel are unacquainted with this method, they may have a preliminary meeting, prepare the material on the subject and decide upon the method and plan of presentation.