Back to ExamsBack
0 of 69 answered
Zoology
Locomotion and Movement
69 questions · Click an option and press Check Answer to reveal the result
1
Which of the following is a freely movable joint?
A
Fibrous joint
B
Cartilaginous joint
C
Synovial joint
D
Fixed joint
2
Which of the following type of muscle shows the presence of intercalated discs?
A
Skeletal muscle
B
Smooth muscle
C
Cardiac muscle
D
None of these
3
Globular protein which masks active sites on G-actin is :-
A
Troponin
B
Tropomyosin
C
Myosin
D
Meromyosin
4
Given below are some statements :
Statement-I : Ciliary movement occurs in most of our internal tubular organ which is lined by brush-bordered epithelium.
Statement-II : Macrophages and leucocytes in blood exhibit amoeboidal movement. In the light of the above statements, choose the correct answer from the options given below:
A
Both statement-I and statement-II are false.
B
Statement-I is correct but statement-II is false.
C
Statement-I is incorrect but statement-II is true.
D
Both statement-I and statement-II are true.
5
Anisotropic band protein(s) is/are:
A
Actin
B
Myosin
C
Actin & Tropomyosin
D
Myosin & troponin
6
Human skull is:
A
Monocondylic
B
Dicondylic
C
Tricondylic
D
Acondylic
7
Statement A: Muscle fibres are composed of numerous fine fibrils called myofibrils.
Statement B: Actions of skeletal muscles moves the body to adjust to the changes in the environment.
A
Only statement A is correct
B
Only statement B is correct
C
Both statements A and B are correct
D
Both statements A and B are incorrect
8
Choose the correct statement regarding skeletal muscles.
A
They are involuntary and non-striated
B
They are voluntary and striated
C
They are involuntary and branched
D
They are spindle-shaped and involuntary
9
The pelvic girdle consists of two coxal bones, each formed by the fusion of:
A
Scapula and Clavicle
B
Ilium, Ischium and Pubis
C
Femur and Tibia
D
Sacrum and Coccyx
10
Muscles constitute what percentage of the body weight?
A
40-50%
B
60-70%
C
65-75%
D
25%
11
During muscle contraction, calcium ions bind to:
A
Tropomyosin
B
Troponin
C
Myosin
D
Actin
12
Sliding filament theory was proposed by:
A
Huxley
B
Robert Brown
C
Schwann
D
Mendel
13
Which of the following is NOT a component of the general structure of skeletal muscle fibre?
A
Sarcolemma
B
Sarcoplasm
C
Sarcomere
D
Axon
14
The number of bones in each limb is:
A
20
B
30
C
60
D
15
15
Match the following: a) Saddle joint - 1. Between humerus and pectoral girdle b) Ball & socket joint - 2. Between carpal and metacarpal of thumb c) Pivot joint - 3. Between atlas and axis d) Hinge joint - 4. Knee joint
A
a-2, b-1, c-3, d-4
B
a-1, b-2, c-4, d-3
C
a-3, b-4, c-1, d-2
D
a-4, b-3, c-2, d-1
16
Which of the following bones is NOT a part of appendicular skeleton?
A
Humerus
B
Radius
C
Sternum
D
Femur
17
Fibrous joints are found in:
A
Joints between vertebrae
B
Skull bones
C
Shoulder joint
D
Knee joint
18
Refer to the following diagram. Which of the following represents actin binding sites?
A
i
B
ii
C
iii
D
iv
19
Functional unit of contraction is:
A
Sarcomere
B
Muscle fiber
C
Myofibril
D
Fascia
20
Human palm is made of:
A
Carpals
B
Metacarpals
C
Phalanges
D
Tarsals
21
Progressive degeneration of skeletal muscles is called:
A
Muscular dystrophy
B
Myasthenia gravis
C
Myocardial infarction
D
Osteoporosis
22
The junction between a motor neuron and the sarcolemma of the muscle fiber is called:
A
Synapse
B
Neuromuscular junction
C
Motor end plate
D
Both B and C
23
Muscular dystrophy is a disorder characterised by:
A
overgrowth of muscles
B
progressive muscle degeneration and weakness
C
inflammation of joints
D
bone deformity
24
In a smooth muscle, striations are not seen because:
A
It is not attached with skeleton
B
It has no actin & myosin
C
Actin & myosin are not aggregated into filaments
D
Actin & myosin form invisible filaments
25
Inflammation of joints due to accumulation of uric acid crystals is:
A
Arthritis
B
Gout
C
Tetany
D
Myasthenia gravis
26
Match List-I with List-II.
Choose the correct answer from the options given below:
| List-I (Joint type) | List-II (Location) |
|---|---|
A Ball and Socket | i Between Atlas and Axis |
B Hinge Joint | ii Between Carpal and Metacarpal of thumb |
C Pivot Joint | iii Between Humerus and Pectoral Girdle |
D Saddle Joint | iv Knee joint |
A
A-IV, B-III, C-I, D-II
B
A-III, B-IV, C-I, D-II
C
A-II, B-IV, C-I, D-III
D
A-IV, B-I, C-III, D-II
27
An age-related disorder characterized by decreased bone mass and increased chances of fractures is:
A
Gout
B
Muscular dystrophy
C
Osteoporosis
D
Arthritis
28
Knee cap is known as:
A
Scapula
B
Patella
C
Clavicle
D
Fibula
29
The first vertebra is:
A
Axis
B
Atlas
C
Sacrum
D
Coccyx
30
In the human body, the type of joint present between the humerus and scapula is a:
A
hinge joint
B
ball and socket joint
C
pivot joint
D
gliding joint
31
The joint present between adjacent vertebrae is mainly:
A
Ball and socket
B
Pivot
C
Cartilaginous joint
D
Hinge joint
32
The joint between atlas and axis is:
A
hinge joint
B
ball and socket joint
C
pivot joint
D
saddle joint
33
Which of the following statement is correct regarding human ribs?
A
All ribs are directly attached to sternum
B
The first seven pairs of ribs are called true ribs
C
The last two pairs are called true ribs
D
All ribs are floating ribs
34
Number of vertebrae in the human vertebral column is:
A
33
B
26
C
12
D
24
35
Select the correct match : 
A
Skeletal muscles – biceps, striated muscles, involuntary
B
Smooth muscles – walls of stomach, voluntary
C
Cardiac muscles – heart, dorsal wall of aorta, voluntary
D
Skeletal muscle – biceps, striated, voluntary
36
Floating ribs are the:
A
1st and 2nd pairs
B
8th and 9th pairs
C
11th and 12th pairs
D
10th pair
37
The H-zone of a sarcomere:
A
contains only actin filaments
B
contains both actin and myosin
C
contains only myosin filaments
D
disappears in relaxed muscle
38
Which of the following statement is wrong?
A
Visceral muscles and cardiac muscles are involuntary and non-fatigue
B
Skeletal muscles and cardiac muscles are striated and have more mitochondria
C
Skeletal muscles and smooth muscles are multinucleate and have rich blood supply
D
Cardiac muscles and visceral muscles are non-fatigue and uninucleate
39
True ribs are:
A
1st to 7th pairs
B
8th, 9th, 10th pairs
C
11th and 12th pairs
D
All 12 pairs
40
The coxal bone is formed by the fusion of:
A
Ilium, ischium and pubis
B
Scapula, clavicle and humerus
C
Femur, tibia and fibula
D
Radius, ulna and carpals
41
Which is not true for scapula in the following?
A
It is found between 2ⁿᵈ to 7ᵗʰ ribs
B
It has a cavity which is found above the acromian process
C
It is found dorsal part of thorax
D
It is a flat triangular bone
42
The number of floating ribs in humans is:
A
1 pair
B
2 pairs
C
3 pairs
D
4 pairs
43
Complete the analogy and choose the correct option w.r.t vertebral column: Thoracic : 12 :: Lumbar : _____
A
4
B
5
C
6
D
7
44
The energy for skeletal muscle contraction is mainly provided by:
A
ADP
B
AMP
C
ATP
D
Creatine phosphate
45
How many pairs of ribs are present in humans?
A
10
B
12
C
14
D
24
46
The number of cervical vertebrae in humans is:
A
5
B
7
C
12
D
8
47
What triggers the contraction of a muscle?
A
Release of Calcium ions from Sarcoplasmic reticulum
B
Release of Sodium ions from Sarcoplasmic reticulum
C
Binding of ATP to actin
D
Relaxation of Troponin
48
Identify A, B & C in the given diagram of a thin filament:
A
A-Tropomyosin, B-F actin, C-Troponin
B
A-Myosin, B-F actin, C-Troponin
C
A-Troponin, B-Myosin, C-F actin
D
A-Troponin, B-Tropomyosin, C-F actin
49
Which of the following does not show amoeboid movement in human?
A
Macrophages
B
Leucocytes
C
Microfilaments
D
Spermatozoa
50
During muscle contraction, which of the following shortens?
A
A-band
B
I-band
C
Sarcomere
D
Both B and C
51
The thick filament of muscle is mainly composed of:
A
Actin
B
Troponin
C
Myosin
D
Tropomyosin
52
The globular head of Myosin contains:
A
ATP binding site
B
Actin binding site
C
ATPase enzyme
D
All the above
53
Which of the following is a U-shaped bone at the base of the buccal cavity?
A
Mandible
B
Hyoid
C
Maxilla
D
Ethmoid
54
Read the following statements carefully and select the correct statement.
A
The axoneme usually has nine triplets of radially arranged peripheral microtubules and a pair of centrally located microtubules.
B
Flagella are comparatively smaller than cilia and responsible for cell movement.
C
Flagella work like oars, causing movement of either the cell or the surrounding fluid.
D
Both the cilium and flagellum emerge from centriole like structure called the basal bodies.
55
Pectoral girdle consists of:
A
Ilium and Ischium
B
Clavicle and Scapula
C
Pubis and Clavicle
D
Scapula and Ilium
56
Glenoid cavity articulates:
A
Humerus with Scapula
B
Femur with Pelvic girdle
C
Radius with Ulna
D
Skull with Atlas
57
Glenoid cavity is present in:
A
pelvic girdle
B
pectoral girdle
C
femur
D
vertebral column
58
Appendicular skeleton includes:
A
Skull and vertebral column
B
Bones of limbs and their girdles
C
Ribs and sternum
D
Only the hands
59
Which of the following statement is not concerned with Myasthenia gravis?
A
It is an auto immune disorder
B
Rapid muscle spasm due to low Ca2+ in body fluid
C
It affects neuromuscular junction
D
It leads to fatigue, weakening and paralysis of skeletal muscles
60
Myosin is a:
A
thin filament protein
B
thick filament protein
C
regulatory protein
D
calcium-binding protein
61
Number of cranial bones and facial bones are:
A
8 and 14
B
14 and 8
C
22 and 0
D
10 and 12
62
Which of the following protein covers the active sites on actin in a relaxed skeletal muscle fibre?
A
Troponin
B
Tropomyosin
C
Myosin
D
Actin
63
Which of the following is correctly matched?
A
Osteoporosis — degeneration of muscles
B
Arthritis — inflammation of joints
C
Gout — calcium deficiency
D
Myasthenia gravis — bone fracture
64
The thick filament in the muscle fiber is:
A
Myosin
B
Actin
C
Troponin
D
Tropomyosin
65
Red muscle fibers are rich in:
A
Myoglobin
B
Mitochondria
C
Lactic acid
D
Both A and B
66
White muscle fibers depend on ______ for energy.
A
Aerobic respiration
B
Anaerobic respiration
C
Only ATP
D
Only Calcium
67
Which of the following is an imperfectly developed ball and socket joint?
A
Gliding joint
B
Pivot joint
C
Saddle joint
D
Hinge joint
68
Which of the following correctly represents the number of vertebrae in the sacral region of vertebral column in adult human?
A
2
B
3
C
4
D
5
69
The part of myosin molecule that projects outward and forms cross bridges is:
A
Tail
B
Head
C
Neck
D
Shaft
Question Palette
Unattempted
Correct
Incorrect