EASY
11th West Bengal Board
IMPORTANT
Earn 100

Sarcomere is the contractile unit of muscle fibre.

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Important Questions on Locomotion and Movement

EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 18 - Locomotion and Movement>EXERCISE>Q 7
Actin is thick and Myosin is thin myofilaments in the sarcomere.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 18 - Locomotion and Movement>EXERCISE>Q 8
At the end of cardiac muscle fibre the intercalated discs are found.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 18 - Locomotion and Movement>EXERCISE>Q 9
Sarcolemma is invaginated at the level of Z-line to form T-tubules.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 18 - Locomotion and Movement>EXERCISE>Q 10
The A-band of a voluntary muscle contain entire actin and no myosin.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 18 - Locomotion and Movement>EXERCISE>Q 11
H-zone in a sarcomere contains myosin but no actin.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 18 - Locomotion and Movement>EXERCISE>Q 12
Red muscle performs fast and strenuous work.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 18 - Locomotion and Movement>EXERCISE>Q 13
Actin, troponin and tropomyosin are the component of actin filaments.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 18 - Locomotion and Movement>EXERCISE>Q 14
Red muscle fibres are rich in mitochondria.