A. To help students get through in the examination
B. To make students disciplined
C. To develop the abilities of students
D. To develop the social behaviors among students

A. Clarity of thought
B. Dramatic Presentation
C. Speaking in a mild tone
D. Speaking without pause

A. Components
B. Pupilteacher
C. Supervisor
D. Headmaster

A. Blackboard writing
B. Solving questions
C. Asking questions
D. All the above

A. Brain
B. Spinal cord
C. both a & b
D. non of the above

A. Electron affinity
B. Atomic radius
C. Periodicity of property
D. none of these