CBSE Class 11 Biology Locomotion and Movement MCQs Set A

Question : 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) Nonw of these

Answer : scapula and canines

Question : 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

Answer : Hyoid

Question : Intercoastal muscles are found attached with

a) ribs

b) lungs

c) Pleura

d) None of these

Answer : ribs

Question : 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

Answer : humerus and pectoral girdle

Question : Which of the following is the contractile protein of a muscle?

a) Myosin

b) Tropomyosin

c) Tropomyosin

d) Actin

Answer : Myosin

Question : Myofibrils are made up of

a) All the above components

b) Actin and tropomyosin

c) Myosin and actin

d) Myosin and troponin

Answer : All the above components

Question :  The number of floating ribs, in the human body, is

a) 2 pairs

b) 5 pairs

c) 6 pairs

d) 3 pairs

Answer : 2 pairs

Question : Synovial fluid is found in

a) freely movable joints

b) spinal cavity

c) cranial cavity

d) immovable joints

Answer : freely movable joints

Question : Humerus differs from the femur in having

a) Deltoid ridge

b) Sigmoid notch

c) Trochanter

d) None of these

Answer : Deltoid ridge

Question : The most abundant mineral in human body is

a) Calcium

b) Magnesium

c) Sodium

d) Potassium

Answer : Calcium

Question : Ankle joint is

a) Hinge joint

b) Pivot Joint

c) Ball and socket joint

d) Gliding joint

Answer : Hinge joint

Question : The major function of the intervertebral disc is to

a) Absorb shock

b) String the vertebrae together

c) Prevent injuries

d) Prevent hyperextension

Answer : Absorb shock

Question : Which of the following is an autoimmune disorder ?

a) Myasthenia gravis

b) Muscular dystrophy

c) Osteoporosis

d) Gout

Answer : Myasthenia gravis

Question : The joint in our neck which allows us to rotate our head left to right is

a) pivot joint

b) saddle joint

c) hinge joint

d) ellipsoid joint

Answer : pivot joint

Question : 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

Answer : Tarsals, femur, metatarsals, tibia

Question : 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

Answer : Bone is made up of 60&70% organic matter and 30 & 40% inorganic matter

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

a) Tracheal rings and costal cartilages

b) Intevertebral disc and public symphysis

c) Pinna and tip of nose

d) Pectoral girdle and pelvic girdle

Answer : Tracheal rings and costal cartilages

Question : What is a hydrostatic skeleton largely composed of?

a) Fluid

b) Connective tissue

c) Bone

d) Cartilage

Answer : Fluid

Question : The only movable bone in the skull is

a) Mandible

b) Ethmoid

c) Maxilla

d) None

Answer : Mandible

Question : The smallest irregular bone in man is:

a) Stapes

b) Palatine

c) Nasal

d) Patella

Answer : Stapes