Q6:

Match Column I with Column II :

      Column I                 Column II

(a) Smooth muscle      (i) Myoglobin

(b) Tropomyosin          (ii) Thin filament

(c) Red muscle            (iii) Sutures

(d) Skull                     (iv) Involuntary

More Questions from Class 11 Biology Locomotion and Movement EXERCISES

• Q1: Draw the diagram of a sarcomere of skeletal muscle showing different regions.
• Q2: Define sliding filament theory of muscle contraction.
• Q3: Describe the important steps in muscle contraction.
• Q4(a): Write true or false. If false change the statement so that it is true. (a) Actin is present in thin filament
• Q4(b): Write true or false. If false change the statement so that it is true. (b) H-zone of striated muscle fibre represents both thick and thin filaments.
• Q4(c): Write true or false. If false change the statement so that it is true. (c) Human skeleton has 206 bones.
• Q4(d): Write true or false. If false change the statement so that it is true. (d) There are 11 pairs of ribs in man.
• Q4(e): Write true or false. If false change the statement so that it is true. (e) Sternum is present on the ventral side of the body.
• Q5(a): Write the difference between : (a) Actin and Myosin
• Q5(b): Write the difference between : (b) Red and White muscles
• Q5(c): Write the difference between : (c) Pectoral and Pelvic girdle
• Q7: What are the different types of movements exhibited by the cells of human body?
• Q8: How do you distinguish between a skeletal muscle and a cardiac muscle?
• Q9(a): Name the type of joint between the following:- (a) atlas/axis
• Q9(b): Name the type of joint between the following:- (b) carpal/metacarpal of thumb
• Q9(c): Name the type of joint between the following:- (c) between phalanges
• Q9(d): Name the type of joint between the following:- (d) femur/acetabulum
• Q9(e): Name the type of joint between the following:- (e) between cranial bones
• Q9(f): Name the type of joint between the following:- (f) between pubic bones in the pelvic girdle
• Q10(a): Fill in the blank spaces: (a) All mammals (except a few) have __________ cervical vertebra.
• Q10(b): Fill in the blank spaces: (b) The number of phalanges in each limb of human is __________
• Q10(c): Fill in the blank spaces: (c) Thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely __________ and __________.
• Q10(d): Fill in the blank spaces: (d) In a muscle fibre $Ca^{++}$ is stored in __________
• Q10(e): Fill in the blank spaces: (e) __________ and __________ pairs of ribs are called floating ribs.
• Q10(f): Fill in the blank spaces: (f) The human cranium is made of __________ bones.