Unit of contraction in a muscle fiber is:
1.  Sarcomere
2.  Muscle fiber
3.  Actin
4.  None

The name of the joint between the ribs and sternum is:
1. Cartilaginous joint
2. Angular joint
3. Gliding joint
4. Fibrous joint

Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.

The type of muscles present in our:

Which one of the following pairs of chemical substances, is correctly categorised?

Contractile unit of muscle is part of myofibril between

1.  Z-line and l-band

2.  Z-line and Z-line

3.  Z-line and A-band

4.  A-band and l-band 

Muscle fatigue occurs due to the accumulation of

1.  $C{O}_2$

2.  Myosin ATPase

3.  Lactic acid

4.  Creatine phosphate 

Which of the following are involved in the formation of acetabulum?

a. llium

b. ischium

c. Pubis

1.  a & b only

2.  b & c only

3.  a & c only

4.  a, b & c 

The total number of bones in the limb of a man is

1.  24

2.  30

3.  14

4.  21

Identify the structure marked ‘X’

1. Humerus

2. Radius

3. Scapula

4. Clavicle