Q. What type of muscle tissue is found in the heart? (2021)
A.
Skeletal muscle
B.
Smooth muscle
C.
Cardiac muscle
D.
Striated muscle
Show solution
Solution
Cardiac muscle is the type of muscle tissue found in the heart, responsible for pumping blood.
Correct Answer:
C
— Cardiac muscle
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Q. What type of muscle tissue is striated and under voluntary control? (2019)
A.
Smooth muscle
B.
Cardiac muscle
C.
Skeletal muscle
D.
All muscle types
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Solution
Skeletal muscle is striated and under voluntary control, allowing for conscious movement.
Correct Answer:
C
— Skeletal muscle
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Q. Which muscle is primarily responsible for the extension of the leg at the knee? (2022)
A.
Quadriceps femoris
B.
Hamstrings
C.
Gastrocnemius
D.
Sartorius
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Solution
The quadriceps femoris muscle is responsible for extending the leg at the knee joint.
Correct Answer:
A
— Quadriceps femoris
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Q. Which muscle is primarily responsible for the flexion of the forearm at the elbow? (2023)
A.
Biceps Brachii
B.
Brachialis
C.
Triceps Brachii
D.
Brachioradialis
Show solution
Solution
The biceps brachii is primarily responsible for flexing the forearm at the elbow joint.
Correct Answer:
A
— Biceps Brachii
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Q. Which muscle type is involuntary and found in the walls of internal organs? (2023)
A.
Skeletal muscle
B.
Cardiac muscle
C.
Smooth muscle
D.
Striated muscle
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Solution
Smooth muscle is involuntary and is found in the walls of internal organs, facilitating movements such as peristalsis.
Correct Answer:
C
— Smooth muscle
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Q. Which muscle type is striated and under voluntary control? (2022)
A.
Smooth muscle
B.
Cardiac muscle
C.
Skeletal muscle
D.
All muscle types
Show solution
Solution
Skeletal muscle is striated and under voluntary control, allowing for conscious movement.
Correct Answer:
C
— Skeletal muscle
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Q. Which of the following is NOT a function of the muscular system? (2020)
A.
Maintaining posture
B.
Generating heat
C.
Transporting oxygen
D.
Facilitating movement
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Solution
Transporting oxygen is primarily the function of the circulatory system, not the muscular system.
Correct Answer:
C
— Transporting oxygen
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Q. Which of the following is NOT a function of the skeletal system? (2020)
A.
Support
B.
Movement
C.
Blood cell production
D.
Hormone secretion
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Solution
The skeletal system does not secrete hormones; this function is primarily associated with the endocrine system.
Correct Answer:
D
— Hormone secretion
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Q. Which of the following is the functional unit of skeletal muscle? (2021)
A.
Sarcomere
B.
Myofibril
C.
Muscle Fiber
D.
Fascicle
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Solution
The sarcomere is the basic functional unit of skeletal muscle, responsible for muscle contraction.
Correct Answer:
A
— Sarcomere
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Q. Which of the following is the primary muscle responsible for the flexion of the elbow joint? (2021)
A.
Biceps brachii
B.
Triceps brachii
C.
Brachialis
D.
Deltoid
Show solution
Solution
The biceps brachii is the primary muscle responsible for flexing the elbow joint.
Correct Answer:
A
— Biceps brachii
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Q. Which of the following is the primary muscle responsible for the movement of the arm at the shoulder joint? (2021)
A.
Biceps Brachii
B.
Triceps Brachii
C.
Deltoid
D.
Pectoralis Major
Show solution
Solution
The deltoid muscle is the primary muscle responsible for the abduction of the arm at the shoulder joint.
Correct Answer:
C
— Deltoid
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Q. Which of the following muscles is responsible for the flexion of the forearm? (2019)
A.
Biceps brachii
B.
Triceps brachii
C.
Deltoid
D.
Pectoralis major
Show solution
Solution
The biceps brachii muscle is primarily responsible for flexing the forearm at the elbow.
Correct Answer:
A
— Biceps brachii
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Q. Which of the following structures is responsible for the production of red blood cells? (2019)
A.
Liver
B.
Spleen
C.
Bone marrow
D.
Thymus
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Solution
Bone marrow is the primary site for the production of red blood cells in the human body.
Correct Answer:
C
— Bone marrow
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Q. Which of the following structures is responsible for the storage of calcium ions in muscle cells? (2023)
A.
Mitochondria
B.
Sarcoplasmic reticulum
C.
Nucleus
D.
Golgi apparatus
Show solution
Solution
The sarcoplasmic reticulum is responsible for storing calcium ions, which are crucial for muscle contraction.
Correct Answer:
B
— Sarcoplasmic reticulum
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Q. Which of the following structures is responsible for transmitting nerve impulses to muscle fibers? (2023)
A.
Motor neuron
B.
Sensory neuron
C.
Interneuron
D.
Glial cell
Show solution
Solution
Motor neurons transmit nerve impulses to muscle fibers, initiating muscle contraction.
Correct Answer:
A
— Motor neuron
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Q. Which of the following structures is responsible for transmitting the action potential in muscle fibers? (2023)
A.
A. Sarcoplasmic reticulum
B.
B. T-tubules
C.
C. Myofibrils
D.
D. Endomysium
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Solution
T-tubules (transverse tubules) are responsible for transmitting the action potential deep into the muscle fiber.
Correct Answer:
B
— B. T-tubules
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Q. Which part of the brain is primarily responsible for coordinating voluntary movements? (2022)
A.
Cerebrum
B.
Cerebellum
C.
Brainstem
D.
Thalamus
Show solution
Solution
The cerebellum is primarily responsible for coordinating voluntary movements and maintaining balance.
Correct Answer:
B
— Cerebellum
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Q. Which protein forms the thick filaments in muscle fibers? (2020)
A.
A. Actin
B.
B. Myosin
C.
C. Tropomyosin
D.
D. Troponin
Show solution
Solution
Myosin forms the thick filaments in muscle fibers and interacts with actin during contraction.
Correct Answer:
B
— B. Myosin
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Q. Which protein is primarily responsible for muscle contraction? (2019)
A.
Actin
B.
Myosin
C.
Tropomyosin
D.
Troponin
Show solution
Solution
Myosin is the primary protein that interacts with actin to facilitate muscle contraction.
Correct Answer:
B
— Myosin
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Q. Which structure connects muscle to bone? (2022)
A.
Ligament
B.
Tendon
C.
Cartilage
D.
Fascia
Show solution
Solution
Tendons are the structures that connect muscles to bones, facilitating movement.
Correct Answer:
B
— Tendon
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Q. Which structure connects muscles to bones? (2022)
A.
Ligaments
B.
Tendons
C.
Cartilage
D.
Fascia
Show solution
Solution
Tendons are the structures that connect muscles to bones, enabling movement.
Correct Answer:
B
— Tendons
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Q. Which type of muscle fibers are known for endurance activities? (2022)
A.
Type I fibers
B.
Type IIa fibers
C.
Type IIb fibers
D.
Type III fibers
Show solution
Solution
Type I fibers, also known as slow-twitch fibers, are more resistant to fatigue and are suited for endurance activities.
Correct Answer:
A
— Type I fibers
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Q. Which type of muscle fibers are known for endurance and are rich in mitochondria? (2022)
A.
Fast-twitch fibers
B.
Slow-twitch fibers
C.
Intermediate fibers
D.
Type II fibers
Show solution
Solution
Slow-twitch fibers are known for endurance and have a high density of mitochondria for aerobic respiration.
Correct Answer:
B
— Slow-twitch fibers
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Q. Which type of muscle is involuntary and found in the walls of internal organs? (2023)
A.
Skeletal muscle
B.
Cardiac muscle
C.
Smooth muscle
D.
Striated muscle
Show solution
Solution
Smooth muscle is involuntary and is found in the walls of internal organs, such as the intestines and blood vessels.
Correct Answer:
C
— Smooth muscle
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Showing 31 to 54 of 54 (2 Pages)
Human Physiology - Locomotion & Movement MCQ & Objective Questions
Understanding "Human Physiology - Locomotion & Movement" is crucial for students preparing for various exams. This topic not only forms a significant part of the syllabus but also helps in grasping the fundamental concepts of how our body moves. Practicing MCQs and objective questions on this subject can enhance your exam preparation and boost your scores significantly. Engaging with practice questions allows you to identify important questions and solidify your knowledge effectively.
What You Will Practise Here
Key concepts of muscle contraction and types of muscles
Mechanics of movement: joints, levers, and their functions
Role of the nervous system in coordinating movement
Understanding gait and its significance in locomotion
Diagrams illustrating the skeletal and muscular systems
Important definitions related to locomotion and movement
Formulas related to biomechanics and movement efficiency
Exam Relevance
The topic of "Human Physiology - Locomotion & Movement" is frequently featured in CBSE, State Boards, and competitive exams like NEET and JEE. Questions often focus on the mechanics of movement, muscle types, and the role of the nervous system. Students can expect a mix of direct questions, application-based scenarios, and diagram-based queries, making it essential to have a solid understanding of the concepts.
Common Mistakes Students Make
Confusing the types of muscle tissues and their functions
Misunderstanding the mechanics of levers and their applications in the body
Overlooking the role of the nervous system in movement coordination
Failing to interpret diagrams accurately, leading to incorrect answers
FAQs
Question: What are the main types of muscles involved in locomotion?Answer: The main types of muscles involved in locomotion are skeletal muscles, smooth muscles, and cardiac muscles, with skeletal muscles being primarily responsible for voluntary movements.
Question: How does the nervous system contribute to movement?Answer: The nervous system coordinates muscle contractions and movements by sending signals from the brain to the muscles, ensuring smooth and controlled actions.
Now is the time to test your understanding! Dive into our practice MCQs on "Human Physiology - Locomotion & Movement" and solidify your knowledge to excel in your exams.
