Each muscle fibre consists of a semi-fluid matrix called…….
a) sarcoplasm
b) cytoplasm
c) nucleoplasm
d) protoplasm
Explanation: Sarcoplasm is the cytoplasm of a muscle cell. It is comparable to the cytoplasm of other cells, but it contains unusually large amounts of glycogen
Skeletal muscle consists of……..
a) no nucleus and less mitochondria
b) no nucleus and average no. mitochondria
c) many nuclei and less mitochondria
d) many nuclei and large no. mitochondria
Explanation: skeletal muscle required lot of energy to do work
Where the nuclei in skeletal muscles are located?
a) in centre
b) near centre
c) near the periphery
d) scattered all over the fibre sarcoplasm
Each fibre is surrounded by a membrane called……..
a) plasma membrane
b) tonoplast
c) sarcolemma
d) plasmolema
Which of the following penetrates deep into the cell and form hollow elongated tube, the T-tubule?
a) nuclear envelope
b) sarcolemma
c) tonoplast
d) none of these
Explanation: T- tubule mean transverse tubules
Sarcoplasmic reticulum
is a modified type of
a) golgi bodies
b) mitochondria
c) plasma membrane
d) none of these
Explanation: it is the modified form of endoplasmic reticulum
