NEET 2025 MCQ with Answer Explanation : “Locomotion and Movement”.

MCQ 111
What is the primary function of the gluteus medius muscle?

A) Extend the hip
B) Abduct the hip
C) Flex the knee
D) Rotate the hip

Answer: B) Abduct the hip
Explanation: The gluteus medius muscle primarily functions to abduct the hip, stabilizing the pelvis during walking and running.

MCQ 112
Which muscle assists in the downward movement of the arm?

A) Pectoralis major
B) Biceps brachii
C) Triceps brachii
D) Deltoid

Answer: C) Triceps brachii
Explanation: The triceps brachii is responsible for extending the elbow and assisting in the downward movement of the arm.

MCQ 113
What is the role of the diaphragm during exhalation?

A) Contract
B) Relax
C) Stretch
D) Stabilize

Answer: B) Relax
Explanation: During exhalation, the diaphragm relaxes, reducing the thoracic cavity volume and pushing air out of the lungs.

MCQ 114
Which structure connects muscle to bone?

A) Ligament
B) Tendon
C) Cartilage
D) Synovial fluid

Answer: B) Tendon
Explanation: Tendons are connective tissues that attach muscles to bones, allowing for movement.

MCQ 115
What type of muscle tissue is found in the heart?

A) Skeletal
B) Smooth
C) Cardiac
D) Epithelial

Answer: C) Cardiac
Explanation: Cardiac muscle tissue is specialized for the heart, enabling rhythmic contractions to pump blood.

MCQ 116
Which of the following is NOT a characteristic of skeletal muscle?

A) Voluntary control
B) Striated appearance
C) Involuntary contraction
D) Multinucleated cells

Answer: C) Involuntary contraction
Explanation: Skeletal muscle is under voluntary control, allowing for conscious movement.

MCQ 117
What is the main action of the vastus lateralis muscle?

A) Flex the knee
B) Extend the knee
C) Rotate the hip
D) Abduct the thigh

Answer: B) Extend the knee
Explanation: The vastus lateralis is part of the quadriceps group and primarily functions to extend the knee joint.

MCQ 118
Which muscle is responsible for extending the forearm at the elbow?

A) Biceps brachii
B) Triceps brachii
C) Brachialis
D) Deltoid

Answer: B) Triceps brachii
Explanation: The triceps brachii is the primary muscle responsible for extending the forearm at the elbow joint.

MCQ 119
What is the primary action of the iliopsoas muscle?

A) Extend the knee
B) Flex the hip
C) Adduct the thigh
D) Rotate the pelvis

Answer: B) Flex the hip
Explanation: The iliopsoas muscle is the main hip flexor, crucial for movements like raising the knee.

MCQ 120
Which muscle is responsible for the movement of the shoulder blade?

A) Rhomboid
B) Pectoralis major
C) Trapezius
D) A and C

Answer: D) A and C
Explanation: Both the rhomboid and trapezius muscles are involved in moving and stabilizing the shoulder blade.