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
Identify the incorrectly matched pair:
Joint type | Example | |
1. | Hinge | Knee |
2. | Pivot | Between atlas and axis vertebra |
3. | Gliding | Between the metacarpals |
4. | Saddle | Between carpal and metacarpal of thumb |
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
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.
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. |
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