Q.1. Match the following and mark the correct option
Options:
(a) A-i, B-ii, C-iv, D-iii
(b) A-ii, B-i, C-iii, D-iv
(c) A-ii, B-i, C-iv, D-iii
(d) A-iii, B-ii, C-iv, D-i
Ans. (c)
Q.2. Ribs are attached to
(a) Scapula
(b) Sternum
(c) Clavicle
(d) Ilium
Ans. (b)
Solution: Ribs are attached to the sternum.
Q.3. What is the type of movable joint present between the atlas and axis?
(a) Pivot
(b) Saddle
(c) Hinge
(d) Gliding
Ans. (a)
Solution: Pivot joint: Between atlas and axis called atlantoaxial joint.
Q.4. ATPase of the muscle is located in
(a) Actinin
(b) Troponin
(c) Myosin
(d) Actin
Ans. (c)
Solution: ATPase of the muscle is located in the head of the myosin.
Q.5. Intervertebral disc is found in the vertebral column of
(a) Birds
(b) Reptiles
(c) Mammals
(d) Amphibians
Ans. (c)
Solution: Intervertebral disc is found in the vertebral column of mammals.
Q.6. Which one of the following is showing the correct sequential order of vertebrae in the vertebral column of human beings?
(a) Cervical — lumbar — thoracic — sacral — coccygeal
(b) Cervical — thoracic — sacral — lumbar — coccygeal
(c) Cervical — sacral — thoracic — lumbar — coccygeal
(d) Cervical — thoracic — lumbar — sacral — coccygeal
Ans. (d)
Solution: Cervical—thoracic—lumbar—sacral—coccygeal is the correct sequential order of vertebrae in the vertebral column of human beings.
Q.7. Which one of the following pairs is incorrect?
(a) Hinge joint: between Humerus and Pectoral girdle
(b) Pivot joint: between atlas and axis
(c) Gliding joint: between the carpals
(d) Saddle joint: between carpals and metacarpals of thumb
Ans. (a)
Solution: Hinge joint—Knee joint and elbow joint
Q.8. Knee joint and elbow joint are examples of
(a) Saddle joint
(b) Ball and socket joint
(c) Pivot joint
(d) Hinge joint
Ans. (d)
Solution. Knee joint and elbow joints are examples of the hinge joint.
Q.9. Macrophages and leucocytes exhibit
(a) Ciliary movement
(b) Flagellar movement
(c) Amoeboid movement
(d) Gliding movement
Ans. (c)
Solution: Amoeboid movements: Some specialised cells in our body like macrophages and leucocytes in blood exhibit amoeboid movement. It is effected by pseudopodia formed by the streaming of protoplasm (as in Amoeba). Cytoskeletal elements like microfilaments are also involved in the amoeboid movement.
Q.10. Which one of the following is not a disorder of bone?
(a) Arthritis
(b) Osteoporosis
(c) Rickets
(d) Atherosclerosis
Ans. (d)
Solution: Atherosclerosis is a disorder of the circulatory system.
Q.11. Which one of the following statement is incorrect?
(a) Heart muscles are striated and involuntary
(b) The muscles of hands and legs are striated and voluntary
(c) The muscles located in the inner walls of alimentary canal are striated and involuntary
(d) Muscles located in the reproductive tracts are unstriated and involuntary
Ans. (c)
Solution: The muscles located in the inner walls of alimentary canal are non-striated and involuntary.
Q.12. Which one of the following statements is true?
(a) Head of humerus bone articulates with acetabulum of pectoral girdle.
(b) Head of humerus bone articulates with the glenoid cavity of pectoral girdle.
(c) Head of humerus bone articulates with acetabulum of pelvic girdle.
(d) Head of humerus bone articulates with a glenoid cavity of pelvic girdle.
Ans. (b)
Solution: Below the acromion is a depression called the glenoid cavity which articulates with the head of the humerus to form the shoulder joint.
Q.13. Muscles with characteristic striations and involuntary are
(a) Muscles in the wall of alimentary canal
(b) Muscles of the heart
(c) Muscles assisting locomotion
(d) Muscles of the eyelids
Ans. (b)
Solution: Muscles with characteristic striations and involuntary are muscles of the heart (Cardiac muscles).
Q.14. Match the followings and mark the correct option
Options:
(a) A-ii, B-i, C-iii, D-iv
(b) A-iv, B-iii, C-i, D-ii
(c) A-ii, B-i, C-iv, D-iii
(d) A-iv, B-i, C-ii, D-iv
Ans. (b)
Solution:
Q.1. Name the cells/tissues in the human body which
(a) exhibit ameboid movement
(b) exhibit ciliary movement
Ans. (a) Macrophages and leucocytes
(b) Trachea, fallopian tube and bronchiole
Q.2. Locomotion requires a perfect coordinated activity of muscular, _____, _______ systems
Ans. Skeletal and Neural
Q.3. Sarcolemma, sarcoplasm and sarcoplasmic reticulum refer to a particular type of cell in our body. Which is this cell and to what parts of that cell do these names refer to?
Ans.
Q.4. Label the different components of actin filament in the diagram given below.
Ans.
Q.5. The three tiny bones present in the middle ear are called ear ossicles. Write them in correct sequence beginning from the eardrum.
Ans. Malleus, incus and stapes.
Q.6. What is the difference between the matrix of bones and cartilage?
Ans.
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