Which of the following are the characteristics of a seminar?
- It is a form of academic instruction.
- It involves questioning, discussion and debates.
- It involves large groups of individuals.
- It needs involvement of skilled persons.
Select the correct from the codes given below:
(a) (2) and (3) (b) (2) and (4) (c) (2), (3) and (4) (d) (1), (2) and (4)