Structural Organisation In Animals Question 467
Question: The triceps and biceps muscles are of [MP PMT 1992]
Options:
A) Antagonist type
B) Involuntary type
C) Smooth type
D) Sphincter type
Show Answer
Answer:
Correct Answer: A
Solution:
Biceps and triceps work as antagonistic muscles at elbow.
Contraction of biceps and relaxation of triceps causes flexion of arm.
Similarly, contraction of biceps causes extension of arm at elbow.