1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following statements are correct regarding skeletal muscle?

A. Muscle bundles are held together by collagenous connective tissue layer called fascicle.

B. Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions.

C. Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins.

D. M line is considered as functional unit of contraction called sarcomere.

Choose the most appropriate answer from the options given below:

A
B and C only
B
A, C and D only
C
C and D only
D
A, B and C only
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Choose the correct statement about a muscular tissue

A
Smooth muscles are multinucleated and involuntary.
B
Skeletal muscle fibres are uninucleated and found in parallel bundles.
C
Intercalated discs allow the cardiac muscle cells to contract as a unit.
D
The walls of blood vessels are made up of columnar epithelium.
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

According to the sliding filament theory:

A
The actin filaments slide away from A-band resulting in shortening of sarcomere.
B
Actin and myosin filaments slide over each other to increase the length of the sarcomere.
C
Length of A-band does not change
D
I-band increases in length.
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Gout is a type of disorder which leads to:

A
Weakening of bones due to low calcium level
B
Inflammation of joints due to accumulation of uric acid crystals
C
Weakening of bones due to decreased bone mass
D
Inflammation of joints due to cartilage degeneration
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