LOCOMOTION & MOVEMENT IN ANIMALS

A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 B 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

Section-A

1.Match the following columns and select the correct option from the codes given below-

Column-I Column- II
(A) Pair of muscles act in opposition to each other (1) Synergist
(B) Pair of muscles act together (2) Antagonist
(C) Muscles that act more powerfully during any given movement (3) Prime movers


A-1,B-2,C-3
A-3,B-1,C-2
A-2,B-1,C-3
A-2,B-3,C-1

2.Match the following and choose the correct option

Column-I Column- II
(A) Ball and socker (1) Carpal and metacarpal of thumb
(B) Hinge (2) Atlas and axis
(C) Pivot (3) Frontal and parietal
(D) Saddle (4) Knee
(5) Humerus and pectoral girdle

A-5,B-4,C-2,D-1
A-1,B-3,C-4,D-5
A-5,B-4,C-3,D-1
A-1,B-2,C-5,D-4

3.Match the following columns

Column-I Column- II
(A) Cervical (1) 1
(B) Thoracic (2) 1
(C) Lumber (3) 5
(D) Sacral (4) 12
(E) Coccygeal (5) 7

A-1,B-2,C-3,D-4,E-5
A-5,B-4,C-3,D-2,E-1
A-5,B-3,C-4,D-2,E-1
A-1,B-3,C-2,D-5,E-4

4.Match the following columns

Column-I Column- II
(A) Flat bones (1) Skull bone
(B) Irregular bones (2) Vertebrae
(3) Sternum
(4) Rib
(5) Ear ossicles

A-1,2,3,B-4,5
A-4,5,B-1,2,3
A-1,3,4,B-2,5
A-2,5,B-1,3,4

5.Match the following columns

Column-I Column- II
(A) Nereis (1) Tube feet
(B) Leech (2) Wings
(C) Insect (3) Suckers
(D) Starfish (4) Parapodia

A-1,B-2,C-3,D-4
A-4,B-3,C-2,D-1
A-4,B-2,C-3,D-1
A-1,B-3,C-2,D-4

6.Which of the following are the properties of cardiac muscles?
I. They are the muscles of the heart
II. They are non-striated
III. They are involuntary in their functions
IV. They are made up of fascicles
Select the correct option

I and III
II and IV
I and IV
II and III

7.Action potential in the sarcolemma of muscles is generated by

Neuroinhibitors
Acetylcholine
Methylcholine
Ethylcholine

8.F-actin is a polymer of

G (molecular) actin
G (globular) actin
G (meromyosin) action
All of these

9.Which one of the following is not a part of ear osicles?

Malleus
Incus
Stapes
Elium

10.Number of bones in skull is

26
28
107
29

11.Arthritis is

Inflammation of liver
Inflammation of joints
Degradation of joints
Inflammation of heart

12.Bones become fragile in

Osteoporosis
Gout
Arthritis
None of these

13.Macrophages and leucocytes in blood exhibits

Amoeboid movement
Ciliary movement
Muscular movement
Flagellar movement

14.Movement of our limbs, jaws, tongue, etc., requires

Ciliary movement
Amoeboid movement
Muscular movement
Flagellar movement

15.Which of the following statement Is/ are correct / incorrect?
I. A-bands of the muscle is dark and contain myosin.
II. I-bands are the light bands and contain actin
III. During muscle contraction, the A-band contracts.
IV. The part between the two Z-lines is called as sarcomere.
V. The central part of thin filament, not overlapped by thick filament is called H-zone.

I,II, and III are correct, while IV and V are incorrect
I,III,V are correct, while II,IV are incorrect
I and II are correct, while III, IV and V are incorrect
I,II,III and V are correct, while IV is incorrect

16.Ilium, ischium, pubis are the

Cervical vertebrae
Pectoral bones
Coaxal bones
Thoracic bones

17.I. Myoglobin in very less quantity
II. Appear pale or whitish
III. Mitochondria are very few
IV. Sarcoplasmic reticulum in large quantity
Given characteristics of muscles fibres be long to

White fibres
Green fibres
Red fibres
Pink fibres

18.Ca2+ bind _A_ in skeletal muscles and leads to the exposure of binding site for _B_ on the filament _C_
Identify A, B and C, so as to complete the given statements

A-troponin, B-actin, C-relaxin
A-actin, B-myosin, C-troponin
A-troponin, B-myosin, C-actin
A-tropomyosin, B-myosin, C-actin

19.Choose the correct statement about muscles

Muscles are the specialized tissues of mesodermal origin
About 40-50% of the body weight is contributed by muscles
Muscles have special properties like excitability, contractibility and extensibility
All of the above

20.Identify A,B,C and D in the given diagram. Choose the correct option



A-Ilium, B-Ischium, C-Pubis, D-Patella
A-Ilium, B-Pubis, C-Ischium, D-Patella
A-Ilium, B-Patella, C-Ischium, D-Pubis
A-Ilium, B-Patella, C-Ischium, D-Pubis

21.Identify A,B and C is the given diagram choose the correct option



A-Sternum, B-Vertebral column, C-Ribs
A-Ribs, B-Vertebral column, C-Sternum
A-Ribs, B-Sternum, C-Coccyx
A-Sternum, B-Ribs, C-Vertebral column

22.Actin and myosin filaments of muscles are also called

Thick and thin filaments respectively
Thin and thick filaments respectively
Black and white filaments respectively
White and black filaments respectively

23.Identify A,B,C and D in the given diagram of humans skull. Choose the correct option



A-Hyoid bone, B-Maxilla, C-Frontal bone, D-Parietal bone
A-Hyoid bone, B-Maxilla, C-Parietal bone, D-Frontal bone
A-Maxilla, B-Hyoid bone, C-Parietal bone, D-Frontal bone
A-Parietal bone, B-Frontal bone, C-Maxilla, D-Hyoid bone

24.Monomer of the myosin (thick) filament is

Troponin
Tropomyosin
Meromyosin
F-actin

25.In the centre of each I-band there is an elastic fibre called

I-line
Z-line
A-line
H-zone

26.Identify A,B,C and D, in the given diagram and choose the correct option


A-Actin binding site, B-ATP binding site, C-Head, D-Cross arm
A-Actin binding site, B-ATP binding site, C-Head, D-Side arm
A-Actin binding site, B-ATP binding site, C-Head, D-Long arm
A-Actin binding site, B-ATP binding site, C-Head, D-Short arm

27.Vestigial tail in humans is

Thoracic vertebrae
Lumber vertebrae
Sacral vertebrae
Caudal vertebrae

28.Which one is odd pair?

Femur-Humerus
Tibia-Radius
Axis-Atlas
Tarsal- Carpals

29.During the muscle contraction, which zone decreases?

I-zone
Z-zone
H-zone
M-zone

30.Select the wrong set of statements with respect to muscles
I. Z-line is present in the centre of the light band
II. Thin filaments are firmly attached to the M-line
III. The central part of the thick filaments, not overlapped by thin filaments is called Z-band
IV. Light band contains only thin filaments
Correct option with all wrong statements is

I and IV
II and III
I and III
II and IV

31.Which of the following is important for muscle contraction and nerve impulse transmission?

Ca2+ ions
Mg2+ ions
Mn2+ ions
Fe2+ ions

32.Identify A,B and C in the given diagram and choose the correct option


A-Cervical vertebrae, B-Coccyx, C-Sacrum
A-Cervical vertebrae, B-Coccyx, C-Atlas
A-Cervical vertebrae, B-Coccyx, C-Axis
A-Cervical vertebrae, B-Sacrum, C-Coccyx

33.Each actin (thin filament) of is made up of

Two ‘F’ (filamentous) actins
Two filament tropomyosin
Tropin
All of the above

34.Haversian canals are present in

Bone marrow
Hyaline cartilage
Bone matrix
Calcified cartilage

35.Choose the correct statements

Axial skeleton comprises 80 bones
Skull, vertebral column, sternum and ribs constitutes axial skeleton
Skull have total 22 bones
All of the above

Section-B

36.The number of floating ribs in the human body is

6 pairs
5 pairs
3 pairs
2 pairs

37.Contractile fibrils of the muscles are called

Neurofibrils
Collagen fibres
Myofibrils
Yellow fibres

38.Identify the correct statements
I. Acetylcholine is released when the neural signal reaches to the motor end plate
II. Muscle contraction is initiated by signals sent by CNS via a sensory neuron
III. During muscle contraction, isotropic bands get elongated
IV. Repeated activation of the muscles can lead to lactic acid accumulation in them
The option with correct choices is

I and III
I and IV
II and III
I and II

39.Choose the incorrect statement about the skeletal muscles

Their activities are under the voluntary control of the nervous system
They are known as voluntary muscles
They are primarily involved in locomotory actions and changes of body postures
None of the above

40.Select the incorrect option about the human skull

It has 6 ear osscicles
It includes 14 facial bones
It is dicondylic
Hyoid is included in the skull bone

41.Cartilage has slightly pliable matrix due to

Chondroitin salts
Osteoblast
Chondroclast
Osteoclast

51.The contractile protein of skeletal muscle involving ATPase activity as

Tropomyosin
Myosin
α-actinin
Troponin

43.Main types of movement exhibited by the cells of human body are
I. Amoeboid
II. Ciliary
III. Muscular
IV. Flagellar
Option containing the correct answer is

I and II
II and III
III and IV
I, II, III and IV

44.For how long, contraction of the muscles continues in sliding filament theory?

Till ATP binds to myosin head
Till ADP binds to myosin head
Till Ca2+ present in sarcoplasm
Till polymerization of myosin head is going on

45.Skeletal system consist of a

Bones and cartilage
Brain
Only bones
Only cartilage

46.Which statement is correct for muscle contraction?

Length of H-zone is decreased
Length of H-zone is decreased
Length of I-band gets increased
Length of two Z-line get increased

47.An acromian process is characteristically found in the

Pelvic girdle of mammals
Skull of frog
Pectoral girdle of mammals
Sperm of mammals

48.Knee joint is

Cartilaginous
Fibrous
Gliding joint
Synovial

49.Synovial joints is humans are characterized by

Joining of two bones
Presence of fluid filled synovial cavity
Rare movement
No movement at all

50.I. Ca2+ ions pumps back to sarcoplasmic reticulum
II. Z-lines back to their original position
III. Masking of actin filament
IV. Relaxation of muscles
Arrange the above given steps in the sequence of event from first to last

I → II → III → IV
I → III → II → IV
IV → III → II → I
IV → III → I → II