Select the correct option.

1.	There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs.
2.	8th, 9th and 10th pairs of ribs articulate directly with the sternum.
3.	11th and 12th pairs of ribs are connected to the sternum with the help of hyaline cartilage.
4.	Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum.

If production of pyruvic acid by anaerobic metabolism in a muscle is faster than it can be utilized, the surplus is converted to:
1. lactic acid
2. adenosine diphosphate
3. carboxylic acid
4. creatine phosphokinase

Identify the incorrectly matched pair:

The number of which of the following would normally be equal in human skeleton?
1. Vertebrochondral ribs and digits in both upper limbs
2. Bones in cranium and the facial skeleton
3. Carpals and tarsals
4. Vertebrosternal ribs and digits in one lower limb

Which of the following muscular disorders is inherited?

1. Botulism

2. Tetany

3. Muscular dystrophy

4. Myasthenia gravis

Animals of class-Mammalia have:

1. seven cervical vertebrae

2. seven cranial nerve

3. single ventricular chamber

4. fourteen cervical vertebrae

The joint between atlas and axis is called:

1. pivot joint

2. hinge joint

3. saddle joint

4. angular joint

The functional unit of contractile system in striated muscle is:

Total number of bones in the hind limb of a man is:

1. 14

2. 21

3. 24

4. 30

Consider the following statements with two blanks X and Y and select the option which correctly fills up these blanks.
In the center of the intervertebral disc, a soft area is present called ....X.... , which is supposed to be a remnant of ....Y........ .

1. X-Nucleus pulposus, Y-Nerve cord

2. X-Centrum, Y-Noto cord

3. X-Nucleus pulposus, Y-Noto cord

4. X- Centrum, Y-Nerve cord