1. The long cylindrical fibres that form a muscle is made up of_________ .
a) Tinofibriles
b) Collagen fibres
c) Fibroblasts
d) Myofibrils
Explanation: The long cylindrical fibres that form a muscle is made up of Myofibrils
2. When muscle cells receive stimulus, they get _________ .
a) Shortened
b) Lengthened
c) Elongated
d) All of these
Explanation: When muscle cells receive stimulus, they get shortened.
3. Muscular movement are intended to _________
a) Move the body to adjust to changes in environment
b) Maintain the position of various body parts
c) Both (a) and (b)
d) none of these
Explanation: Both (a) and (b)
4.Which of the following is a typical skeletal muscle?
a) Biceps
b) Triceps
c) Both (a) and (b)
d) none of these
Explanation: Both (a) and (b)
5. The sheath enclosing the several bundles of muscle fibres is _________ tissue.
a) epithelial
b) connective
c) both
d) neural
Explanation: The sheath enclosing the several bundles of muscle fibres is connective tissue.
6. Which of the following is a fusiform muscle?
a) Cardiac muscle
b) Smooth muscle
c) Both (a) and (b)
d) Skeletal muscle
Explanation: Smooth muscle
7. Smooth muscles are held together by _________ .
a) Connective tissue
b) Cell junctions
c) Epithelial tissue
d) None of these
Explanation: Smooth muscles are held together by cell junctions
8. Where can we find smooth muscles?
a) Artery
b) Vein
c) Stomach
d) All of these
Explanation: All of these
9. Fusion of what sticks the cardiac muscles together?
a) Cell junctions
b) Plasma membranes
c) Intercalated disc
d) All of these
Explanation: Plasma membranes
10. Intercalated discs in cardiac muscles provide _________
a) Tight junctions
b) Communication junction
c) Flexible junction
d) All of these
Explanation: Intercalated discs in cardiac muscles provide communication junction.