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प्रश्न
Which one of the following statement is incorrect?
पर्याय
Heart muscles are striated and involuntary
The muscles of hands and legs are striated and voluntary
The muscles located in the inner walls of alimentary canal are striated and involuntary
Muscles located in the reproductive tracts are unstriated and involuntary
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उत्तर
The muscles located in the inner walls of alimentary canal are striated and involuntary
Explanation:
The muscles located in the inner walls of alimentary canal are non-striated and involuntary.
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संबंधित प्रश्न
Draw the diagram of a sarcomere of skeletal muscle showing different regions.
Define sliding filament theory of muscle contraction.
Write true or false. If false, change the statement so that it is true:
Actin is present in thin filament
Write the difference between:
Red and White muscles
How do you distinguish between a skeletal muscle and a cardiac muscle?
Thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely ______ and ______.
In a muscle fibre Ca++ is stored in ______.
Read the following statements.
- Bands are dark bands and contain myosin
- I bands are light bands and contain actin
- During muscle contraction, the A band contracts.
- The part between the two Z - lines is called a sarcomere.
- The central part of the thin filament, not overlapped by the thick filament is called Hzone.
Of the above statements
Myoglobin occurs in
Which of the following statements wrongly represents the nature of smooth muscle?
Match the following and mark the correct option
| Column I | Column II |
| A. Fast muscle fibres | i. Myoglobin |
| B. Slow muscle fibres | ii. Lactic acid |
| C. Actin filament | iii. Contractile unit |
| D. Sarcomere | iv. I-band |
Muscles with characteristic striations and involuntary are ______.
Sarcolemma, sarcoplasm and sarcoplasmic reticulum refer to a particular type of cell in our body. Which is this cell and to what parts of that cell do these names refer to?
Three types of muscles are given as a, b and c. Identify the correct matching pair along with their location in human body:
Name of muscle/location
