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

In a myosin molecule HMM (heavy meromyosin) is
present in
(i) Globular head (ii) Short arm (iii) Myosin tail

1. (i), (ii), (iii) 

2. (i) only

3. (i), (ii) only 

4. (iii) only

Which of the following bone of the skull is not present
in pair?

1. Temporal bone 

2. Sphenoid bone

3. Zygomatic bone 

4. Maxillary bone

How many polypeptide chains are present in one
subunit of a myosin filament?

1. 2 heavy chains and 2 light chains.
2. 2 heavy chains and 4 light chains.
3. 4 heavy chains and 2 light chains.
4. 4 heavy chains and 4 light chains.

Select the correct option.

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