Q.
Select the wrong set of statements with respect to muscles I. Z-line is present in the centre of the light band II. Thin filaments are firmly attached to the M-line III. The central part of the thick filaments, not overlapped by thin filaments is called Z-band IV. Light band contains only thin filaments Correct option with all wrong statements is
A) I and IV
B) II and III
C) I and III
D) II and IV
Explanation
(i) Thin filaments are firmly attached to the Z band which bisects the I-band (ii) In the central part of thick filament which is not over lapped by thin filament is called H-band
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.