Free Printable Aranya Sir Classes ll BIOLOGY ll Locomotion & Movements ll

1.

ATPase enzyme for muscle contraction is located in

a)

Myosin

b)

Tropomyosin

c)

F - Actin

d)

G - Actin

2.

Upon stimulation of skeletal muscles, calcium ions are immediately made available from

a)

Blood

b)

Endoplasmic reticulum

c)

Sarcoplasmic reticulum

d)

Sarcosome

3.

Dark bands are

a)

A - band

b)

B - band

c)

I - band

d)

Z - line

4.

Skeletal muscles are controlled by

a)

sympathetic nerves

b)

parasympathetic nerves

c)

autonomic nerves

d)

somatic nerves

5.

The germ layer which gives birth to muscle tissue is (a)

6.

The coordinated movement of flagella in respiratory tract helps in clearing the mucus

a)

True

b)

False

7.

The central part of the thick filament is called the "M ZONE"

a)

True

b)

False

8.

The motor end plate is a junction between

a)

motor neuron and neurilemma

b)

sensory neuron and sarcolemma

c)

sensory neuron and neurilemma

d)

motor neuron and sarcolemma

9.

Each thin myofilament is a polymer of many spherical proteins called (a)

10.

In the white fibres , the (a) content is high.

11.

Light bands (thin filaments) contain actin and are called –

a)

A-bands or Isotropic band

b)

A-bands or Anisotropic bands

c)

I-bands or Isotropic bands

d)

I-bands or Anisotropic bands

12.

Which of the following statements about the striated muscles is false?

I. In the centre of each I-band is an elastic fibre (Z-line) which bisects it

II. Thin filaments are firmly attached to the Z-line

III. M-line is a fibrous membrane in the middle of A-bands

IV. A sarcomere comprises one full A-bands and 2 half I-bands

a)

All

b)

IV

c)

I and II

d)

None

13.

One myosin filament in the myofibril of skeletal muscle fibres is surrounded by how many actin filaments –

a)

8

b)

2

c)

6

d)

4

14.

The cross bridges of the sacromere in skeletal muscle are made up of –

a)

Actin

b)

Myosin

c)

Troponin

d)

Myelin

15.

Tropomysin is moved by which of following proteins –

a)

Calmodulin

b)

Actin

c)

Troponin

d)

Acetylcholine

16.

The energy for muscle contraction is most directly obtained from -

a)

Phosphocreatine

b)

ATP

c)

Anaerobic respiration

d)

Aerobic respiration

17.

Which of the following does not belong with the others?

a)

multinucleated

b)

skeletal

c)

striated

d)

involuntary

18.

Each muscle fiber is directly surrounded by connective tissue called the _____.

a)

perimysium

b)

fascia

c)

endomysium

d)

epimysium

19.

Sarcolemma is found over

a)

heart

b)

nerve fibre

c)

bone

d)

skeletal muscle fibre

20.

Cyclosis a characteristic of plant cell. this movement is due to

a)

Sliding microtubule

b)

Cytoplasmic streaming

c)

Beating of cilia

d)

Podia formation

21.

Contractile unit of muscle is part of myofibril between

a)

Z-line and I-band

b)

Z-line and Z-line

c)

Z-line and A-band

d)

A-band and I-band

22.

Z-line divides the myofibrils into –

a)

Sarcomere

b)

Sarcolemma

c)

Sarcosome

d)

Microtubules

23.

The region between the ends of the A-bands of 2-adjoining sarcomeres is called –

a)

The Z-band

b)

The H-zone

c)

The T-tubule

d)

The I-band

24.

Choose the letter from the figure that most appropriately corresponds to the structure –

I. A-band II. I-band III. Sarcomere IV. H-zone V. Myosin VI. Actin, Troponin, Tropomyosin VII. Z - line

a)

I - E, II - D, III - F, IV - A, V - B, VI - C, VII - G

b)

I - E, II - D, III - C, IV - G, V - B, VI - A, VII - F

c)

I - E, II - D, III - F, IV - G, V - C, VI - A, VII - B

d)

I - E, II - D, III - F, IV - G, V - B, VI - C, VII - A

25.

An individual sarcomere consist of –

a)

A stack of actin fibres

b)

A stack of myosin units

c)

Overlapping actin and myosin

d)

Overlapping myosin and membrane

26.

The action potential that triggers a muscle contraction travels deep within the muscle cell by means of –

a)

Sarcoplasmic reticulum

b)

Transverse tubules

c)

Synapse

d)

Motor end plates

27.

A motor unit is best described as –

a)

All the nerve fibres and muscle fibres in a single muscle bundle

b)

One muscle fibre and its single nerve fibre

c)

A single motor neuron and all the muscle fibres that it innervates

d)

It is the neuron which carries the messsage from muscle to CNS

28.

According to the sliding filament theory –

a)

Actin (thin filament) moves past myosin (thick filament)

b)

Myosin moves past actin

c)

Both myosin and actin move past each other

d)

None of these is correct

29.

Relaxation of muscle is due to –

a)

Pumping of Ca⁺² into sarcoplasmic cisternae

b)

Presence of ATP

c)

Confirmational change in troponin and masking of actin filaments

d)

a and c

30.

When a skeletal muscle shortens during contraction which of these statements is false?

a)

The I-band shortens

b)

The A-band shortens

c)

The H-zone becomes narrow

d)

The sarcomeres shorten

31.

The diagrams given above show 3 different condition of sarcomeres. Identify these conditions –

a)

A - contracting, B - relaxed, C - maximally contracted

b)

A - relaxed, B - contracting, C - maximally contracted

c)

A - maximally contracted, B - contracting, C - relaxed

d)

A - relaxed, B - maximally contracted, C - contracting

32.

The compound or pigment acting as an oxygen store in skeletal muscles is –

a)

Myoglobin

b)

Haemoglobin

c)

Myokinase or ATP

d)

Cytochrome

33.

Skeletal system consists of –

a)

Only bones

b)

Only cartilage

c)

A framework of bones and a few cartilage

d)

A framework of cartilage and a few bones

34.

How many bones make up the human skeleton?

a)

948

b)

96

c)

796

d)

206

35.

Number of bones in human axial skeleton is –

a)

80

b)

106

c)

206

d)

None

36.

Hyoid / Tongue bone is –

a)

T-shaped

b)

J-shaped

c)

U-shaped

d)

L-shaped

37.

Sonia Gandhi has how many ear ossicle –

a)

3

b)

6

c)

9

d)

None

38.

Human skull is –

a)

dicondylic

b)

Monocondylic

c)

Procoelous

d)

Hetercoelous

39.

Human adult vertebral formula is –

a)

C₄ T₈ L₄ S₅ C₈

b)

C₇ T₈ L₅ S₆ C₇

c)

C₇ T₁₁₂ L₂ S₁ C₂

d)

C₇ T₁₂ L₅ S₁ C₁

40.

The muscle band that remains unchanged during muscle contraction and relaxation of the skeletal muscle is –

a)

I

b)

A

c)

H

d)

Z-line

41.

Which of the following statements is correct?

a)

During muscle contraction chemical energy changes into mechanical energy

b)

Muscle fatigue is due to lactic acid formation due to anaerobic respiration

c)

The reaction time of the fibres can vary in different muscles

d)

All

42.

Energy stored in liver and muscle in the form of

a)

carbohydrates

b)

fat

c)

protein

d)

glycogen

43.

The ion that must be present in adequate amount for binding of cross bridge with actin is

a)

Ca⁺²

b)

Na⁺

c)

K⁺

d)

Mg⁺²

44.

According to sliding filament theory of muscle contraction, the filament that move to shorten a muscle are

a)

Myosin

b)

Actin

c)

Collagen

d)

Creatine phosphate

45.

Parts of axial skeleton includes

a)

skull and hyoid bone

b)

vertebral column

c)

middle ear ossicles and chest

d)

all of above

46.

Name of chest bone in axial skeleton of human body is

a)

vertebrae

b)

sternum

c)

ulna

d)

ribs

47.

How many vertebrae are present in a vertebral column of adult human?

a)

26

b)

30

c)

20

d)

14

48.

Which of the following is the first vertebrae?

a)

Axis

b)

Atlas

c)

Sacrum

d)

Coccyx

49.

How many pairs of ribs are present in the human body?

a)

12

b)

24

c)

13

d)

15

50.

Which of the following is the hardest connective tissue?

a)

Blood

b)

Cartilage

c)

Areolar connective tissue

d)

Bone

51.

The scapula extends on the backside of the thorax between

a)

2^nd and 8^th rib

b)

1^st and 7^th rib

c)

2^nd and 7^th rib

d)

3^rd and 7^th rib

52.

Which is the best distinguishing feature of thoriac vertebrae?

a)

They have larger transverse process

b)

Their spinous process is directed posteriorly

c)

They articulate with the ribs

d)

Absence of vertebral transverse foramen

53.

Lower jaw is amde up of

a)

Mandible

b)

Vomer

c)

Maxilla

d)

Palatine

54.

Glenoid cavity is associated with

a)

Pelvic girdle

b)

Coracoid

c)

Clavicle

d)

Scapula

55.

How many vertebro-chondral ribs are present in the human ?

a)

7 pairs

b)

2 pairs

c)

3 Pairs

d)

12 pairs

56.

How many ribs are present in the human body?

a)

12

b)

24

c)

13

d)

15

57.

Which is the only movable skull bone other than auditory ossicles?

a)

Maxillae

b)

Mandible

c)

Inferior nasal conchae

d)

Zygomatic

58.

Which of the following ribs are not connected ventrally with the sternum and are called as floating ribs

a)

First five pairs

b)

8^th, 9^th and 10^th pair

c)

11^th and 12^th pair

d)

7^th, 8^th and 9^th pair

59.

Which part can be easily felt as high point of shoulder?

a)

Sterno-cavicle joint

b)

Acromian-cavicle joint

c)

Gleno-cavicle joint

d)

Superior angle of scapula

60.

One of the following is called hip-bone

a)

Innominate

b)

Scapula

c)

Manubrium

d)

Coracoid

61.

Saddle joint is present between

a)

Radius and ulna

b)

Carpals

c)

Carpal and metacarpal of thumb

d)

Ulna and humerus

62.

Hinge joint is present between

a)

Humerus and Radio-ulna

b)

Femur and pelvic girdle

c)

Femur and Acetabulum

d)

Humerus and Pectoral girdle

63.

By which structure complete pelvic girdle is formed?

a)

Two Ilium

b)

Ischium

c)

Two Coxal bone

d)

Acetabulum

64.

Anaerobic work becomes painful due to accumulation of

a)

Ca⁺² ions

b)

Myosin

c)

Lactic acid

d)

Creatine phosphate

65.

Which term is the smallest subdivision in this group?

a)

fiber

b)

fibril

c)

filament

d)

actin

66.

Streaming of cytoplasm/ cyclosis is seen in -

a)

Amoeba

b)

Macrophages

c)

Leucocytes

d)

All of these

67.

The source of Ca 2+ for the muscle is

a)

T - tubule

b)

Sarcosome

c)

Sarcolemma

d)

Sarcoplasmic reticulum

68.

Cardiac / heart muscles are -

a)

Striated and involuntary

b)

Branched

c)

Non fatigued

d)

All of these

69.

Which of the following statements about visceral muscles is correct ?

a)

They are non- striated muscles ( smooth muscles)

b)

They are involuntary muscles

c)

They have various functions

d)

All

70.

Each limb ( upper or lower) consists of how many bones -

a)

30

b)

60

c)

101

d)

8

71.

Number of bones in human appendicular skeleton is -

a)

80

b)

120

c)

126

d)

206

72.

Which of the following ribs are called vertebrochondral ribs?

a)

True ribs

b)

False ribs

c)

Gorilla ribs

d)

Floating ribs

73.

Which of the following statements about visceral muscles is correct ?

a)

They are non- striated muscles ( smooth muscles)

b)

They are involuntary muscles

c)

They have various functions

d)

All

74.

Number of bone in each upper limb is -

a)

1,1,1

b)

8,5,14

c)

2,2,2,16,10,28

d)

1,1,1,8,5,14

75.

The shoulder blade is large triangular bone situated in the dorsal part of the thorax between the 2nd and 7th ribs. it is called -

a)

Clavicle

b)

Ilium

c)

Scapula

d)

Carpals

76.

Acetabulum occurs in -

a)

Cranium

b)

Pectoral girdle

c)

Pelvic girdle

d)

Vertebrae

77.

The cross bridges of the sacromere in the skeletal muscle are made up of -

a)

Actin

b)

Myosin

c)

Troponin

d)

Myelin

78.

Sarcomere is the area between -

a)

2 H -zones

b)

2 Z - lines

c)

2 M - lines

d)

2 A - bands

79.

Sonia Gandhi has how many ear ossicle -

a)

3

b)

6

c)

9

d)

None

80.

Which of the following muscular disorders is inherited ?

a)

Tetany

b)

Muscular dystrophy

c)

Myasthenia gravis

d)

Botulism

81.

Where is the source of calcium for a muscle?

a)

T - tubule

b)

Sarcosome

c)

Sarcolemma

d)

Sarcoplasmic reticulum

82.

How many bones are present in the human appendicular skeleton?

a)

80

b)

120

c)

126

d)

206

83.

Cartilaginous joints allow limited movement.

a)

False

b)

True

84.

Where does the clavicle articulate?

a)

Glenoid Cavity

b)

Styloid Process

c)

Coracoid Process

d)

Acromion Process

85.

Which of these is a bone in the human Skull?

a)

Ethmoid

b)

Sacrum

c)

Mandible

d)

Scapula

86.

Where does ATPase activity occur in muscles?

(a)

87.

Which neurotransmitter is released in the neuromuscular junction?

(a)

88.

During muscle contraction which region of the muscle does NOT contract?

(a)

89.

Which of the following is true about Fibrous joints?

a)

Allow no movement

b)

End to End fused bones

c)

Present in the skull

d)

Contain fluid

90.

Muscular Dystrophy is a Genetic Disorder.

a)

True

b)

False

91.

What are the different types of synovial joints?

4 lines

92.

Each limb ( upper or lower) consists of how many bones -

a)

30

b)

60

c)

101

d)

8

93.

Number of bones in human appendicular skeleton is -

a)

80

b)

120

c)

126

d)

206

94.

Which of the following ribs are called vertebrochondral ribs?

a)

True ribs

b)

False ribs

c)

Gorilla ribs

d)

Floating ribs

95.

Sonia Gandhi has how many ear ossicle -

a)

3

b)

6

c)

9

d)

None

96.

Which of these is a bone in the human Skull?

a)

Ethmoid

b)

Sacrum

c)

Mandible

d)

Scapula

97.

Which of the following is true about Fibrous joints?

a)

Allow no movement

b)

End to End fused bones

c)

Present in the skull

d)

Contain fluid

98.

Muscular Dystrophy is a Genetic Disorder.

a)

True

b)

False

c)

HAVE NOT EXIST IN HUMAN

99.

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

a)

Femur, malleus, tibia, metatarsals

b)

Tarsals, femur, metatarsals, tibia

c)

Pelvis, incus, patella, tarsals

d)

Sternum, femur, tibia, fibula

100.

THE UPPER PART OF CRANIUM IS MADE UP OF

a)

7 BONES

b)

8BONES

c)

4BONES

d)

14 BONES

101.

The pivot joint between atlas and axis is a type of (NEET 2017)

a)

fibrous joint

b)

cartilaginous joint

c)

synovial joint

d)

cartilaginous joint

102.

Select the true statement(s) –

a)

(a) A-band is present in the middle of sarcomere

b)

(b) H-zone is present in the middle of A-band

c)

(c) M-line is present in the middle of H-zone

d)

(d) All of the above

103.

The source of Ca+2 for the muscle is –

a)

(a) T-tubule

b)

(b) Sarcosome

c)

(c) Sarcolemma

d)

(d) Sarcoplasmic reticulum

104.

Sarcomere is the area between –

a)

(a) 2 H-zones

b)

(b) 2 Z-lines

c)

(c) 2 M-lines

d)

(d) 2 A-bands

105.

Following is the figure of actin (thin) filaments. Identify A, B and C.

a)

(a) A - Tropomyosin, B - Troponin, C - F-actin

b)

(b) A - Troponin, B - Myosin, C - Tropomyosin

c)

(c) A - Troponin, B - Tropomyosin, C - Myosin

d)

(d) A - Troponin, B - Tropomyosin, C - F-actin

106.

The above figure is related with myosin monomer (meromyosin). Identify A to C –

a)

(a) A - head, B - cross arm, C - GTP binding sites

b)

(b) A - head, B - cross arm, C - Ca+2 binding sites

c)

(c) A - head, B - cross arm, C - ATP binding sites

d)

(d) A - cross arm, B - head, C - ATP binding sites

107.

A motor unit is best described as –

a)

(a) All the nerve fibres and muscle fibres in a single muscle bundle

b)

(b) One muscle fibre and its single nerve fibre

c)

(c) A single motor neuron and all the muscle fibres that it innervates

d)

(d) It is the neuron which carries the messsage from muscle to CNS

108.

Motor end plate is a –

a)

(a) Neuromuscular junction

b)

(b) Plate of motor neuron

c)

(c) Dendron of motor neuron

d)

(d) Gradient of proton motive force

109.

The energy for muscle contraction is most directly obtained from –

a)

(a) Phosphocreatine

b)

(b) ATP

c)

(c) Anaerobic respiration

d)

(d) Aerobic respiration

110.

According to the sliding filament theory –

a)

(a) Actin (thin filament) moves past myosin (thick filament)

b)

(b) Myosin moves past actin

c)

(c) Both myosin and actin move past each other

d)

(d) None of these is correct

111.

Cardiac / heart muscles are –

a)

(a) Striated and involuntary

b)

(b) Branched

c)

(c) Not fatigued

d)

(d) All

Aranya Sir Classes ll BIOLOGY ll Locomotion & Movements ll

Total questions: 111

Worksheet time: 43mins

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