Biology · General Awareness

Muscle Biology

836 Questions

Muscle biology covers the structures, functions, and contraction mechanisms of skeletal, cardiac, and smooth muscles. Test questions target filaments, stimuli, and specific muscle roles. A clear understanding helps secure marks in biology sections.

Skeletal muscle controlCardiac muscle propertiesMuscle contraction mechanismActin and myosin filamentsMuscle functions

Muscle Biology Questions

Multiple choice

Which of the following signifies cachexia?

  1. Process of deriving muscle tissues

  2. An autoimmune muscle disorder

  3. A body wasting syndrome

  4. A neuromuscular disease
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cachexia is a body wasting syndrome characterised by loss of weight, muscle atrophy, fatigue, weakness and significant loss of appetite in a person who is not actively trying to lose weight.

Multiple choice

Quadriceps femoris muscle is a muscle of thigh. It is the

  1. most physical work performing muscle

  2. strongest muscle by weight in the female human body

  3. strongest muscle by ability to exert force on external object

  4. strongest muscle by force exerted by the muscle itself
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The strongest muscle is the quadriceps femoris, if strength refers to the force exerted by the muscle itself.

Multiple choice

Directions: Read the following information and answer the given question.

Raman had his first day at gym today. He had exercised hard over there for the first time. After reaching home he realised his calves are paining. His mother advised him to take rest and not to get worried as he had got cramps. Raman followed his mother's advice.

Which of the following substances is accumulated in muscles during cramps formation?

  1. Ethanol

  2. Glucose

  3. Lactic acid

  4. Pyruvate
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

During strenuous exercise, muscles undergo anaerobic respiration when oxygen supply is insufficient, leading to the accumulation of lactic acid, which causes muscle fatigue and cramps.

Multiple choice

Match the following:

 
a. Voluntary muscles 1. They are the muscles which contract without conscious control and are found in walls of the internal organs.
b. Involuntary muscles 2. They are a type of muscle tissues that are found only in the heart.
c. Cardiac muscles 3. They are the muscles that are under the control of the will and are generally attached to the skeleton.

  1. a - 3, b - 1, c - 2

  2. a - 3, b - 2, c - 1

  3. a - 1, b - 2, c - 3

  4. a - 1, b - 3, c - 2

  5. a - 2, b - 1, c - 3
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option. 

Multiple choice

Which of the following muscles are present in the heart?

  1. Smooth muscles

  2. Epithelial muscles

  3. Cardiac muscles

  4. skeletal muscles

  5. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cardiac muscles are found only in the heart. These muscles show rapid rhythmical contraction and relaxation, long refractory period and do not show fatigue.

Multiple choice

Which of the following acts as a protective tissue in the animal body?

  1. Epithelial tissue

  2. Connective tissue

  3. Muscular tissue

  4. Nervous tissue

  5. Cardiac Muscle
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Epithelial tissue forms the protective covering of the animal body. It gets modified to perform various functions such as:

  1. Protection: It acts as a barrier between the outer world (or inner spaces) and our bodies.
  2. Absorption and secretion: When absorption and secretion occurs, the epithelial tissue facilitates movement across the epithelial barrier.
  3. Excretion: Epithelial tissue even lines the excretory lumina, like the tracts from the kidneys to the urethra.