Biology Support and Movements Online Mcqs Test

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Question 1

1. The region where a motor neuron meets a muscle fiber is called:

Answer

Neuromuscular junction

Answer

Motor unit

Question 2

2. Which of the following is not a function of cartilage?

Answer

Reducing friction in joints

Answer

Connecting muscles to bones

Answer

Shock absorption

Answer

Providing flexible support

Question 3

3. The sliding filament theory explains:

Answer

Muscle contraction

Answer

Muscle relaxation

Answer

Joint movement

Answer

Bone growth

Question 4

4. Which muscle type is voluntary?

Answer

All of the above

Question 5

5. Which part of the skeletal muscle fiber contains actin filaments?

Question 6

6. Which of the following is the longest type of muscle cell?

Answer

Intercostal

Question 7

7. Which of the following muscles works involuntarily and is striated?

Question 8

8. What is the role of ATP in muscle contraction?

Answer

Builds muscle tissue

Answer

Breaks down calcium

Answer

Detaches myosin from actin

Answer

Produces heat

Question 9

9. What is the function of synovial fluid?

Answer

Forms cartilage

Answer

Builds muscles

Answer

Lubricates joints

Answer

Connects bones

Question 10

10. Which of the following is a disease affecting joints, causing pain and inflammation?

Answer

Bronchitis

Answer

Dermatitis

Question 11

11. Which type of arthritis is an autoimmune disease?

Answer

Septic arthritis

Answer

Rheumatoid arthritis

Answer

Osteoarthritis

Question 12

12. Which type of tissue connects bones to bones?

Question 13

13. Which component of skeletal muscle stores calcium?

Answer

Mitochondria

Answer

Sarcoplasmic reticulum

Question 14

14. Which of the following ions is essential for muscle contraction?

Question 15

15. Which of the following muscles is involuntary and non-striated?

Answer

Cardiac muscle

Answer

Skeletal muscle

Answer

Smooth muscle

Answer

Intercostal muscle

Question 16

16. Which connective tissue layer surrounds a bundle of muscle fibers?

Answer

Perimysium

Answer

Endomysium

Question 17

17. The tough outer membrane of bone is called:

Answer

Periosteum

Question 18

18. Which of the following structures is made up of actin and myosin?

Answer

Bone matrix

Question 19

19. What are intercalated discs?

Answer

Junctions between smooth muscle cells

Answer

Gaps in skeletal muscle

Answer

Sites of calcium storage

Answer

Structures connecting cardiac muscle cells

Question 20

20. What is the role of the Z-line in muscle contraction?

Answer

It breaks down ATP

Answer

It stores calcium

Answer

It anchors thin filaments

Answer

It joins myosin heads

Question 21

21. The middle part of a sarcomere is called the:

Question 22

22. Which muscle type is multinucleated?

Answer

All muscles

Question 23

23. What structure anchors actin filaments in a sarcomere?

Question 24

24. Which joint allows rotation of the forearm?

Answer

Ball and socket

Question 25

25. Which type of joint allows movement in only one plane?

Answer

Ball and socket

Question 26

26. What is a motor unit?

Answer

A motor neuron and all muscle fibers it controls

Answer

A type of synovial joint

Answer

A single muscle fiber

Answer

A muscle plus its blood vessels

Question 27

27. What is a gliding joint?

Answer

A joint allowing side-to-side and back-and-forth motion

Answer

A fixed joint

Answer

A joint allowing hinge-like motion

Answer

A joint with complete rotation

Question 28

28. Which muscle type has intercalated discs?

Question 29

29. Which muscle type is non-striated?

Answer

Both A and B

Question 30

30. Which of the following is a symptom of arthritis?

Answer

Muscle paralysis

Answer

High blood pressure

Answer

Hearing loss

Answer

Joint swelling and stiffness

Question 31

31. Which type of muscle shows both striations and branching?

Answer

Cardiac muscle

Answer

Voluntary muscle

Answer

Smooth muscle

Answer

Skeletal muscle

Question 32

32. Cardiac muscles are found in:

Answer

Blood vessels

Answer

Stomach wall

Question 33

33. Which joint is responsible for rotation of the head?

Answer

Ball and socket

Question 34

34. Which enzyme breaks down acetylcholine at the neuromuscular junction?

Answer

Acetylcholinesterase

Question 35

35. Which of the following is a freely movable joint?

Answer

Cartilaginous joint

Answer

Fibrous joint

Answer

Fixed joint

Answer

Synovial joint

Question 36

36. Which condition involves inflammation of joints?

Answer

Osteoporosis

Question 37

37. During muscle contraction, calcium binds to:

Question 38

38. Which of the following is true about smooth muscles?

Answer

Always multinucleated

Answer

They are non-striated and involuntary

Answer

Found in heart only

Answer

They are voluntary

Question 39

39. Which protein binds to actin to block binding sites in a resting muscle?

Answer

Tropomyosin

Answer

Actin itself

Question 40

40. A disorder that results in loss of bone density is:

Answer

Osteoporosis

Question 41

41. Which structure surrounds individual muscle fibers?

Answer

Endomysium

Answer

Perimysium

Answer

Sarcoplasmic reticulum

Question 42

42. What is the smallest functional unit of a skeletal muscle?

Answer

Muscle fiber

Question 43

43. Which joint is found at the elbow?

Answer

Ball and socket

Question 44

44. What type of movement is allowed by a ball and socket joint?

Answer

Linear only

Answer

Back-and-forth only

Answer

Side-to-side only

Answer

Rotational and multi-directional

Question 45

45. What connects muscle to bone?

Answer

Synovial fluid

Question 46

46. Which muscle type is found in the walls of internal organs?

Question 47

47. In skeletal muscles, the light band is also called:

Question 48

48. Which of the following joints is found in the shoulder?

Answer

Ball and socket joint

Answer

Pivot joint

Answer

Saddle joint

Answer

Hinge joint

Question 49

49. Which protein is responsible for muscle contraction?

Answer

Hemoglobin

Question 50

50. Which type of joint is found in the thumb?

Answer

Ball and socket joint

Answer

Saddle joint

Answer

Pivot joint

Answer

Hinge joint

Question 51

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Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	Biology Test MDCAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Biology Interview Question Answer Universities Entrance Test

Biology Support and Movements Online Mcqs Test

Important Biology Support and Movements Question and Answer

Biology Support and Movements Practice Test Online With Explanation

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Important Biology Support and Movements Question and Answer

Biology Support and Movements Practice Test Online With Explanation

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