Smooth Muscles

Q.

Characteristics of smooth muscle fibres are

1. cylindrical, unbranched, striated, multinucleate and voluntary

2. spindle-shaped, unbranched, unstriated, uninucleate and involuntary

3. spindle-shaped, unbranched, unstriped, multinucleate and involuntary

4. cylindrical, branched, unstriped, multinucleate and involuntary

Q. Which of the following is an example of smooth muscle?

1. Uterus
2. Stomach
3. Intestine
4. All of the above

Q. Which among the following is the correct similarity between smooth muscle and cardiac muscle?

1. Both are branched
2. Both are voluntary
3. Both are uninucleated
4. Both are spindle shaped

Q.

What are secretory cells?

Q. Which is NOT the characteristic of smooth muscle?

1. Forms the part of hollow organs
2. Almond shaped
3. Uninucleated
4. Voluntary in function

Q.

Unstriated muscles are spindle shaped.

1. True
2. False

Q. Which among the following statements are correct with respect to smooth muscle?

1. They are spindle shaped
2. They are voluntary
3. Light and dark bands are present
4. They are uninucleated

Q.

How muscle tissues are dependent on nerve cells? [2 MARKS]

Q.

Are ciliary muscles voluntary?

Q.

Muscular tissues show the property of contraction and expansion.

1. True
2. False

Q.

Why is the musculoskeletal system called so?

Q. Multi unit muscle fibres are found in the:

1. Ciliary and iris of eyes
2. Wall of large blood vessels
3. Arrector pilli of dermis
4. All of the above

Q.

Distinguish between the following pairs in one or two sentences for each​

(d) striated and unstriated muscles.​

Q. Which of the following is an example of smooth muscle

1. Uterus
2. Intestine
3. All of the above
4. Stomach

Q.

The tissue present in the lining of kidney tubules and ducts of salivary glands is

1. Squamous epithelial tissue

2. Columnar epithelium

3. Glandular epithelium

4. Cuboidal epithelium

Q. Smooth muscle fibres are

1. Spindle-shaped, unbranched, non-striated, uninucleate and involuntary
2. Cylindrical, unbranched, striated, multinucleate and voluntary
3. Cylindrical, unbranched, non-striated, multinucleate and involuntary
4. Spindle-shaped, unbranched, striated, antinuclear and voluntary

Q. Which of the following is an example of a smooth muscle?

1. Urinary bladder
2. Stomach
3. Intestine
4. All of these

Q. name the three kinds of muscles found in the human body.In each case name one region in the body where they are found?

Q. If you observe the muscular tissue of urinary bladder and ureters, you will observe

1. Striated
2. Unstriated muscle
3. Ligament
4. Tendon

Q. Differentiate between.
Singleunit and multiunit smooth muscles

Q. Assertion :Non-striated muscles are said to be voluntary in nature. Reason: Non-striated muscles cannot be moved according to will.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Assertion is incorrect but Reason is correct.

Q.

Assertion: Smooth muscle fibres do not appear to be striated.
Reason: Striation occurs due to the regular alternate arrangement of thick and thin filaments in the smooth muscle fibre.

1. If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
2. If Assertion is correct but Reason is incorrect.
3. If Assertion is incorrect but Reason is correct.
4. If both Assertion and Reason are correct, but Reason is not correct explanation of Assertion.