340040
Match the following and mark the correct option Column I Column II A Fast muscle fibre P Myoglobin B Slow muscle fibre Q lactic acid C Actin filament R Contractile unit D Sarcomere S I-band
1 A-P, B-Q, C-S, D-R
2 A-Q, B-P, C-R, D-S
3 A-Q, B-P, C-S, D-R
4 A-R, B-Q, C-S, D-P
Explanation:
Fast muscle fibre - lactic acid Slow muscle fibre - Myoglobin Actin filament - I band Sarcomere - Contractile protein
NCERT Exemplar
BIOXI20: LOCOMOTION AND MOVEMENT
340041
Which one is not a feature of "Red muscles"?
1 Red muscles contain more amount of myoglobin
2 They has more mitochondria
3 They obtain energy anaerobically
4 They has less amount of sarcoplasmic reticulum
Explanation:
Red muscles have mitochondria; hence they obtain energy aerobically.
BIOXI20: LOCOMOTION AND MOVEMENT
340042
During muscular contraction, the myosin head binds to the exposed active sites on actin to form a
1 Motor unit
2 Motor end plate
3 Cross arm
4 Cross bridge
Explanation:
During muscular contraction, the myosin head binds to the exposed active sites on actin to form a cross bridge.
BIOXI20: LOCOMOTION AND MOVEMENT
340043
Statement A : Red muscle fibres contain abundant mitochondria Statement B : White muscle fibres contain less amount of mitochondria
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
340040
Match the following and mark the correct option Column I Column II A Fast muscle fibre P Myoglobin B Slow muscle fibre Q lactic acid C Actin filament R Contractile unit D Sarcomere S I-band
1 A-P, B-Q, C-S, D-R
2 A-Q, B-P, C-R, D-S
3 A-Q, B-P, C-S, D-R
4 A-R, B-Q, C-S, D-P
Explanation:
Fast muscle fibre - lactic acid Slow muscle fibre - Myoglobin Actin filament - I band Sarcomere - Contractile protein
NCERT Exemplar
BIOXI20: LOCOMOTION AND MOVEMENT
340041
Which one is not a feature of "Red muscles"?
1 Red muscles contain more amount of myoglobin
2 They has more mitochondria
3 They obtain energy anaerobically
4 They has less amount of sarcoplasmic reticulum
Explanation:
Red muscles have mitochondria; hence they obtain energy aerobically.
BIOXI20: LOCOMOTION AND MOVEMENT
340042
During muscular contraction, the myosin head binds to the exposed active sites on actin to form a
1 Motor unit
2 Motor end plate
3 Cross arm
4 Cross bridge
Explanation:
During muscular contraction, the myosin head binds to the exposed active sites on actin to form a cross bridge.
BIOXI20: LOCOMOTION AND MOVEMENT
340043
Statement A : Red muscle fibres contain abundant mitochondria Statement B : White muscle fibres contain less amount of mitochondria
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
340040
Match the following and mark the correct option Column I Column II A Fast muscle fibre P Myoglobin B Slow muscle fibre Q lactic acid C Actin filament R Contractile unit D Sarcomere S I-band
1 A-P, B-Q, C-S, D-R
2 A-Q, B-P, C-R, D-S
3 A-Q, B-P, C-S, D-R
4 A-R, B-Q, C-S, D-P
Explanation:
Fast muscle fibre - lactic acid Slow muscle fibre - Myoglobin Actin filament - I band Sarcomere - Contractile protein
NCERT Exemplar
BIOXI20: LOCOMOTION AND MOVEMENT
340041
Which one is not a feature of "Red muscles"?
1 Red muscles contain more amount of myoglobin
2 They has more mitochondria
3 They obtain energy anaerobically
4 They has less amount of sarcoplasmic reticulum
Explanation:
Red muscles have mitochondria; hence they obtain energy aerobically.
BIOXI20: LOCOMOTION AND MOVEMENT
340042
During muscular contraction, the myosin head binds to the exposed active sites on actin to form a
1 Motor unit
2 Motor end plate
3 Cross arm
4 Cross bridge
Explanation:
During muscular contraction, the myosin head binds to the exposed active sites on actin to form a cross bridge.
BIOXI20: LOCOMOTION AND MOVEMENT
340043
Statement A : Red muscle fibres contain abundant mitochondria Statement B : White muscle fibres contain less amount of mitochondria
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
340040
Match the following and mark the correct option Column I Column II A Fast muscle fibre P Myoglobin B Slow muscle fibre Q lactic acid C Actin filament R Contractile unit D Sarcomere S I-band
1 A-P, B-Q, C-S, D-R
2 A-Q, B-P, C-R, D-S
3 A-Q, B-P, C-S, D-R
4 A-R, B-Q, C-S, D-P
Explanation:
Fast muscle fibre - lactic acid Slow muscle fibre - Myoglobin Actin filament - I band Sarcomere - Contractile protein
NCERT Exemplar
BIOXI20: LOCOMOTION AND MOVEMENT
340041
Which one is not a feature of "Red muscles"?
1 Red muscles contain more amount of myoglobin
2 They has more mitochondria
3 They obtain energy anaerobically
4 They has less amount of sarcoplasmic reticulum
Explanation:
Red muscles have mitochondria; hence they obtain energy aerobically.
BIOXI20: LOCOMOTION AND MOVEMENT
340042
During muscular contraction, the myosin head binds to the exposed active sites on actin to form a
1 Motor unit
2 Motor end plate
3 Cross arm
4 Cross bridge
Explanation:
During muscular contraction, the myosin head binds to the exposed active sites on actin to form a cross bridge.
BIOXI20: LOCOMOTION AND MOVEMENT
340043
Statement A : Red muscle fibres contain abundant mitochondria Statement B : White muscle fibres contain less amount of mitochondria
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
