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Question (41)

QN008079

Which skeletal structure mainly supports upright walking in humans?

(A) Rib cage
(B) Vertebral column
(C) Skull
(D) Finger bones

Correct Answer: B

Explanation:

Vertebral column helps maintain upright posture.

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Question (42)

QN008080

Which type of joint is present between skull bones?

(A) Hinge joint
(B) Ball and socket joint
(C) Pivot joint
(D) Fixed joint

Correct Answer: D

Explanation:

Skull bones are joined by fixed joints.

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Question (43)

QN008081

Which feature distinguishes cartilage from bone?

(A) Cartilage is more flexible
(B) Cartilage contains chlorophyll
(C) Cartilage forms blood
(D) Cartilage is harder than bone

Correct Answer: A

Explanation:

Cartilage is flexible compared to bone.

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Question (44)

QN008082

Which body structure acts as the central supporting axis?

(A) Rib cage
(B) Vertebral column
(C) Skull
(D) Shoulder girdle

Correct Answer: B

Explanation:

Vertebral column forms the body axis.

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Question (45)

QN008083

Which condition is most likely if cartilage at joints is damaged?

(A) Better flexibility
(B) Increased friction during movement
(C) Faster nerve conduction
(D) Increase in blood pressure

Correct Answer: B

Explanation:

Cartilage reduces friction between bones.

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Question (46)

QN008084

Which structure mainly protects delicate internal organs?

(A) Bones
(B) Plasma
(C) Muscles only
(D) Tendons only

Correct Answer: A

Explanation:

Bones protect organs like brain and heart.

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Question (47)

QN008085

Which type of joint mainly helps in lifting objects with the arm?

(A) Pivot joint
(B) Hinge joint
(C) Fixed joint
(D) Gliding joint

Correct Answer: B

Explanation:

Hinge joints help bend the arm.

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Question (48)

QN008086

Which component of the skeletal system provides both support and flexibility?

(A) Cartilage
(B) Plasma
(C) RBCs
(D) Neurons

Correct Answer: A

Explanation:

Cartilage provides flexible support.

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Question (49)

QN008087

Which body region contains the longest bones?

(A) Skull
(B) Arm
(C) Leg
(D) Rib cage

Correct Answer: C

Explanation:

Femur in the leg is the longest bone.

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Question (50)

QN008088

Which statement best explains the importance of the skeletal system?

(A) It produces digestive enzymes
(B) It transports oxygen
(C) It provides support, protection, and movement
(D) It secretes hormones

Correct Answer: C

Explanation:

Skeletal system supports, protects, and helps movement.

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Question (41)

Which skeletal structure mainly supports upright walking in humans?

Explanation:

Link:

Question (42)

Which type of joint is present between skull bones?

Explanation:

Link:

Question (43)

Which feature distinguishes cartilage from bone?

Explanation:

Link:

Question (44)

Which body structure acts as the central supporting axis?

Explanation:

Link:

Question (45)

Which condition is most likely if cartilage at joints is damaged?

Explanation:

Link:

Question (46)

Which structure mainly protects delicate internal organs?

Explanation:

Link:

Question (47)

Which type of joint mainly helps in lifting objects with the arm?

Explanation:

Link:

Question (48)

Which component of the skeletal system provides both support and flexibility?

Explanation:

Link:

Question (49)

Which body region contains the longest bones?

Explanation:

Link:

Question (50)

Which statement best explains the importance of the skeletal system?

Explanation:

Link:

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