CBSE Class 11 Locomotion and Movement Worksheet A

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MULTIPLE CHOICE QUESTIONS

Question. Cranium of human contains 
(a) 12 bones
(b) 8 bones
(c) 14 bones
(d) 20 bones
Answer. B

Question. Which of the following is made up of a single bone in mammal ? 
(a) Dentary
(b) Hyoid
(c) Upper jaw
(d) All of these
Answer. B

Question. Wish bone in birds is formed from the bones of
(a) Shoulder girdle
(b) Hip girdle
(c) Keeled sternum
(d) Skull bones
Answer. A

Question. Sella turcica is found
(a) near pituitary
(b) in bone
(c) in joints
(d) near thyroid
Answer. B

Question. A cricket player is fast chasing a ball in the field.Which one of the following groups of bones are directly contributing in this movement?
(a) Femur, malleus, tibia, metatarsals
(b) Pelvis, ulna, patella, tarsals
(c) Sternum, femur, tibia, fibula
(d) Tarsals, femur, metatarsals, tibia
Answer. D

Question. Which one of the following is a sesamoid bone?
(a) Pelvis
(b) Patella
(c) Pterygoid
(d) Pectoral girdle
Answer. B

Question. The given figure represents the cross bridge cycle in skeletal muscle. What does the step B in the figure represents?

Answer. B

Question. The sensation of fatigue in the muscles after prolonged strenuous physical work, is caused by
(a) a decrease in the supply of oxygen
(b) minor wear and tear of muscle fibres
(c) the depletion of glucose
(d) the accumulation of lactic acid
Answer. D

Question. The shoulder blade is made of 
(a) clavicle
(b) humerus
(c) ilium
(d) scapula
Answer. D

Question. Sesamoid bone is derived from- 
(a) Cartilage
(b) Areolar tissue
(c) Tendon
(d) Ligament
Answer. C

Question. Two of the body parts which do not appear in MRI may be 
(a) molar teeth and eye lens
(b) scapula and canines
(c) ligaments and ribs
(d) tendons and premolars
Answer. B

Question. Select the correct matching of the type of the joint with the example in human skeletal system:
Type of joint Example
(a) Cartilaginous between frontal and joint parietal
(b) Pivot joint between third and fourth cervical vertebrae
(c) Hinge joint between humerus and pectoral girdle
(d) Gliding joint between carpals
Answer. D

Question. Given below is a diagram of the bones of the left human hindlimb as seen from front. It has certain mistakes in labelling. Two of the wrongly labelled bones are

(a) tibia and tarsals
(b) femur and fibula
(c) fibula and phalanges
(d) tarsals and femur
Answer. C

1. What is a tendon?

2. Which type of movable joint makes the hip joint?

3. Name the heaviest and longest bone in the human body?

4. Why can a red muscle fiber work for a prolonged period, while a white muscle fibre suffers from fatigue soon?

5. What is the function of girdles?

6. What makes the synovial joints freely movable? List any four types of synovial joints.

7. Differentiate between Endoskeleton and Exoskeleton.

8. Explain the following –

a) Antagonistic muscles

b) Tetanus

c) Threshed stimulus

9. Explain sliding filament theory of muscle contraction.

Click on link below to download CBSE Class 11 Locomotion and Movement Worksheet A.