NCERT Class 11 Chapter 20 Biology Locomotion and Movement MCQ

NCERT Class 11 Chapter 20 Biology Locomotion and Movement MCQ | Questions & Answers: Interested in enhancing your knowledge regarding Class 11 Chapter 20 Biology Locomotion and Movement topic? well here is an opportunity for you. Here in this article, we have accommodated a series of MCQs that will assist you in learning new concepts.

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1. Two of the body parts which do not appear in MRI may be

A. scapula and canines

B. ligaments and ribs

C. tendons and premolars

D. None of these

2. Which of the following is made up of a single bone in mammal?

A. Hyoid

B. All of these

C. Dentary

D. None of these

3. Intercoastal muscles are found attached with

A. ribs

B. lungs

C. Pleura

D. None of these

4. Ball and socket joint is found between

A. humerus and pectoral girdle

B. humerus and olecranon fossa

C. femur and tibio-fibula

D. ribs and vertebral

5. Which of the following is the contractile protein of a muscle?

A. Myosin

B. Tropomyosin

C. Tropomyosin

D. Actin

6. Myofibrils are made up of

A. All the above components

B. Actin and tropomyosin

C. Myosin and actin

D. Myosin and troponin

7. The number of floating ribs, in the human body, is

A. 2 pairs

B. 5 pairs

C. 6 pairs

D. 3 pairs

8. Synovial fluid is found in

A. freely movable joints

B. spinal cavity

C. cranial cavity

D. immovable joints

9. Humerus differs from the femur in having

A. Deltoid ridge

B. Sigmoid notch

C. Trochanter

D. None of these

10. The most abundant mineral in human body is

A. Calcium

B. Magnesium

C. Sodium

D. Potassium

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11. Ankle joint is

A. Hinge joint

B. Pivot Joint

C. Ball and socket joint

D. Gliding joint

12. The major function of the intervertebral disc is to

A. Absorb shock

B. String the vertebrae together

C. Prevent injuries

D. Prevent hyperextension

13. Which of the following is an autoimmune disorder ?

A. Myasthenia gravis

B. Muscular dystrophy

C. Osteoporosis

D. Gout

14. The joint in our neck which allows us to rotate our head left to

A. pivot joint

B. saddle joint

C. hinge joint

D. ellipsoid joint

15. A cricket player is fast chasing a ball in the field. Which one of the following groups of bones is directly contributing in this movement?

A. Tarsals, femur, metatarsals, tibia

B. Sternum, femur, tibia, fibula

C. Pelvis, ulna, patella, tarsals

D. Femur, malleus, tibia, metatarsals

16. Which of the following statement is incorrect w.r.t. bone?

A. Bone is made up of 60&70% organic matter and 30 & 40% inorganic matter

B. If born is kept in HCl it becomes soft

C. If bone is heated then the organic part disappears and inorganic part is retained

D. Hydroxyapatite salts and fluorapatite salts are found in matrix

17. One of the following is a location of most abundant cartilage in the human body.

A. Tracheal rings and costal cartilages

B. Intervertebral disc and public symphysis

C. Pinna and tip of nose

D. Pectoral girdle and pelvic girdle

18. What is a hydrostatic skeleton largely composed of?

A. Fluid

B. Connective tissue

C. Bone

D. Cartilage

19. The only movable bone in the skull is

A. Mandible

B. Ethmoid

C. Maxilla

D. None

20. The smallest irregular bone in man is:

A. Stapes

B. Palatine

C. Nasal

D. Patella

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21. Extremities of long bones possess cartilage

A. calcified

B. fibrous

C. elastic

D. hyaline

22. Number of cervical vertebrae in camel is

A. more than that of rabbit

B. less than that of rabbit

C. same as that of whale

D. more than that of horse

23. A deltoid ridge occurs in

A. radius

B. ulna

C. femur

D. humerus

24. The cervical vertebrae in humans is

A. same as in whale

B. more than that in rabbit

C. double than that of horse

D. less than that in giraffe

25. Long bones function in

A. support

B. support, erythrocyte and leucocyte synthesis

C. support and erythrocyte synthesis

D. erythrocyte formation