Mechanism of Muscle Contraction
BIOXI20: LOCOMOTION AND MOVEMENT

340145 Statement A :
About \(40-50 \%\) of the body weight is contributed by muscles
Statement B :
Muscles have special properties like excitability, connectivity and extensibility

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI20: LOCOMOTION AND MOVEMENT

340125 Identify the part that contains
supporting img
(i) Both actin & myosin
(ii) Area not overlapped by thin filament during rest

1 (i) A-band  (ii) M-line
2 (i) I-band  (ii) H-zone
3 (i) A-band  (ii) M-zone
4 (i) A-band  (ii) H-zone
BIOXI20: LOCOMOTION AND MOVEMENT

340126 Three types of muscles are given as and Identify the correct matching pair along with their location in human body:
supporting img

Name of Muscle/location

1 (a) Smooth - Toes(b) Skeletal - Legs(c) Cardiac - Heart
2 (a) Skeletal - Triceps(b) Smooth - Stomach(c) Cardiac - Heart
3 (a) Skeletal - Biceps(b) Involuntary - Intestine(c) Smooth - Heart
4 (a) Involuntary - Nose tip(b) Skeletal - Bone(c) Cardiac - Heart
BIOXI20: LOCOMOTION AND MOVEMENT

340127 Match the columns I and II.
Column I
Column II
A
Centre of each ‘I’ band
P
‘Z’ line
B
Centre of each ‘A’ band
Q
‘H’ zone
C
Not overlapped by thin filaments
R
‘M’ line

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\)
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXI20: LOCOMOTION AND MOVEMENT

340128 Select the correct statement:

1 A-band is made up of thick myosin filament
2 M-zone is present in the middle of A-band
3 Actin and myosin are polymerized sugars with contractility
4 All
BIOXI20: LOCOMOTION AND MOVEMENT

340145 Statement A :
About \(40-50 \%\) of the body weight is contributed by muscles
Statement B :
Muscles have special properties like excitability, connectivity and extensibility

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI20: LOCOMOTION AND MOVEMENT

340125 Identify the part that contains
supporting img
(i) Both actin & myosin
(ii) Area not overlapped by thin filament during rest

1 (i) A-band  (ii) M-line
2 (i) I-band  (ii) H-zone
3 (i) A-band  (ii) M-zone
4 (i) A-band  (ii) H-zone
BIOXI20: LOCOMOTION AND MOVEMENT

340126 Three types of muscles are given as and Identify the correct matching pair along with their location in human body:
supporting img

Name of Muscle/location

1 (a) Smooth - Toes(b) Skeletal - Legs(c) Cardiac - Heart
2 (a) Skeletal - Triceps(b) Smooth - Stomach(c) Cardiac - Heart
3 (a) Skeletal - Biceps(b) Involuntary - Intestine(c) Smooth - Heart
4 (a) Involuntary - Nose tip(b) Skeletal - Bone(c) Cardiac - Heart
BIOXI20: LOCOMOTION AND MOVEMENT

340127 Match the columns I and II.
Column I
Column II
A
Centre of each ‘I’ band
P
‘Z’ line
B
Centre of each ‘A’ band
Q
‘H’ zone
C
Not overlapped by thin filaments
R
‘M’ line

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\)
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXI20: LOCOMOTION AND MOVEMENT

340128 Select the correct statement:

1 A-band is made up of thick myosin filament
2 M-zone is present in the middle of A-band
3 Actin and myosin are polymerized sugars with contractility
4 All
BIOXI20: LOCOMOTION AND MOVEMENT

340145 Statement A :
About \(40-50 \%\) of the body weight is contributed by muscles
Statement B :
Muscles have special properties like excitability, connectivity and extensibility

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI20: LOCOMOTION AND MOVEMENT

340125 Identify the part that contains
supporting img
(i) Both actin & myosin
(ii) Area not overlapped by thin filament during rest

1 (i) A-band  (ii) M-line
2 (i) I-band  (ii) H-zone
3 (i) A-band  (ii) M-zone
4 (i) A-band  (ii) H-zone
BIOXI20: LOCOMOTION AND MOVEMENT

340126 Three types of muscles are given as and Identify the correct matching pair along with their location in human body:
supporting img

Name of Muscle/location

1 (a) Smooth - Toes(b) Skeletal - Legs(c) Cardiac - Heart
2 (a) Skeletal - Triceps(b) Smooth - Stomach(c) Cardiac - Heart
3 (a) Skeletal - Biceps(b) Involuntary - Intestine(c) Smooth - Heart
4 (a) Involuntary - Nose tip(b) Skeletal - Bone(c) Cardiac - Heart
BIOXI20: LOCOMOTION AND MOVEMENT

340127 Match the columns I and II.
Column I
Column II
A
Centre of each ‘I’ band
P
‘Z’ line
B
Centre of each ‘A’ band
Q
‘H’ zone
C
Not overlapped by thin filaments
R
‘M’ line

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\)
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXI20: LOCOMOTION AND MOVEMENT

340128 Select the correct statement:

1 A-band is made up of thick myosin filament
2 M-zone is present in the middle of A-band
3 Actin and myosin are polymerized sugars with contractility
4 All
BIOXI20: LOCOMOTION AND MOVEMENT

340145 Statement A :
About \(40-50 \%\) of the body weight is contributed by muscles
Statement B :
Muscles have special properties like excitability, connectivity and extensibility

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI20: LOCOMOTION AND MOVEMENT

340125 Identify the part that contains
supporting img
(i) Both actin & myosin
(ii) Area not overlapped by thin filament during rest

1 (i) A-band  (ii) M-line
2 (i) I-band  (ii) H-zone
3 (i) A-band  (ii) M-zone
4 (i) A-band  (ii) H-zone
BIOXI20: LOCOMOTION AND MOVEMENT

340126 Three types of muscles are given as and Identify the correct matching pair along with their location in human body:
supporting img

Name of Muscle/location

1 (a) Smooth - Toes(b) Skeletal - Legs(c) Cardiac - Heart
2 (a) Skeletal - Triceps(b) Smooth - Stomach(c) Cardiac - Heart
3 (a) Skeletal - Biceps(b) Involuntary - Intestine(c) Smooth - Heart
4 (a) Involuntary - Nose tip(b) Skeletal - Bone(c) Cardiac - Heart
BIOXI20: LOCOMOTION AND MOVEMENT

340127 Match the columns I and II.
Column I
Column II
A
Centre of each ‘I’ band
P
‘Z’ line
B
Centre of each ‘A’ band
Q
‘H’ zone
C
Not overlapped by thin filaments
R
‘M’ line

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\)
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXI20: LOCOMOTION AND MOVEMENT

340128 Select the correct statement:

1 A-band is made up of thick myosin filament
2 M-zone is present in the middle of A-band
3 Actin and myosin are polymerized sugars with contractility
4 All
BIOXI20: LOCOMOTION AND MOVEMENT

340145 Statement A :
About \(40-50 \%\) of the body weight is contributed by muscles
Statement B :
Muscles have special properties like excitability, connectivity and extensibility

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI20: LOCOMOTION AND MOVEMENT

340125 Identify the part that contains
supporting img
(i) Both actin & myosin
(ii) Area not overlapped by thin filament during rest

1 (i) A-band  (ii) M-line
2 (i) I-band  (ii) H-zone
3 (i) A-band  (ii) M-zone
4 (i) A-band  (ii) H-zone
BIOXI20: LOCOMOTION AND MOVEMENT

340126 Three types of muscles are given as and Identify the correct matching pair along with their location in human body:
supporting img

Name of Muscle/location

1 (a) Smooth - Toes(b) Skeletal - Legs(c) Cardiac - Heart
2 (a) Skeletal - Triceps(b) Smooth - Stomach(c) Cardiac - Heart
3 (a) Skeletal - Biceps(b) Involuntary - Intestine(c) Smooth - Heart
4 (a) Involuntary - Nose tip(b) Skeletal - Bone(c) Cardiac - Heart
BIOXI20: LOCOMOTION AND MOVEMENT

340127 Match the columns I and II.
Column I
Column II
A
Centre of each ‘I’ band
P
‘Z’ line
B
Centre of each ‘A’ band
Q
‘H’ zone
C
Not overlapped by thin filaments
R
‘M’ line

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\)
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXI20: LOCOMOTION AND MOVEMENT

340128 Select the correct statement:

1 A-band is made up of thick myosin filament
2 M-zone is present in the middle of A-band
3 Actin and myosin are polymerized sugars with contractility
4 All