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CBSE - Class 11 Biology Locomotion and Movement Worksheet

Write true or false. If false change the statement so that it is true.
(d) There are 11 pairs of ribs in man.

Name the type of joint between the following:-
(e) between cranial bones

Name the type of joint between the following:-
(b) carpal/metacarpal of thumb

Fill in the blank spaces:
(d) In a muscle fibre $Ca^{++}$ is stored in __________

Fill in the blank spaces:
(c) Thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely __________ and __________.

Write true or false. If false change the statement so that it is true.
(c) Human skeleton has 206 bones.

Write true or false. If false change the statement so that it is true.
(a) Actin is present in thin filament

Name the type of joint between the following:-
(c) between phalanges

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.

10.

Fill in the blank spaces:
(f) The human cranium is made of __________ bones.

11.

Fill in the blank spaces:
(a) All mammals (except a few) have __________ cervical vertebra.

12.

Write the difference between :
(b) Red and White muscles

13.

Name the type of joint between the following:-
(f) between pubic bones in the pelvic girdle

14.

Fill in the blank spaces:
(e) __________ and __________ pairs of ribs are called floating ribs.

15.

Write the difference between :
(c) Pectoral and Pelvic girdle

16.

Write the difference between :
(a) Actin and Myosin

17.

Fill in the blank spaces:
(b) The number of phalanges in each limb of human is __________

18.

Name the type of joint between the following:-
(a) atlas/axis

19.

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.

20.

Describe the important steps in muscle contraction.

Worksheet Answers

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