Given below is a diagrammatic representation of ribs and ribcage

Identify the structure labelled as 'A' and choose the correct option with respect to its number in human body

1. 7 in number (cervical vertebrae)

2. 12 in number (lumbar vertebrae)

3. 5 in number (sacral vertebrae)

4. 12 in number (thoracic vertebrae)

 

Which of the following is not a cranial bone?

1. Zygomatic

2. Sphenoid

3. Ethmoid

4. Parietal

Hypocalcemia may lead to:-

1. Kidney stones
2. Cholelithiasis
3. Stronger muscle contractions
4. Tetany

The useful purpose served by lactate fermentation is:
1. Make lactose available for gluconeogenesis
2. Production of additional ATP in anaerobic conditions
3. Regeneration of NAD+
4. Increased availability of oxygen for the skeletal muscle

Scapula is a large triangular flat bone situated in the dorsal part of the thorax between:

1. the second and fifth ribs

2. the second and seventh ribs

3. the third and sixth ribs

4. the third and eighth ribs

The muscle can directly use which of the following as a source of energy?
1. Creatine phosphate
2. Glucose
3. ATP
4. Fatty acids

Which of the following statements is not correct?
1. All locomotions are movements.
2. All movements are not locomotions
3. Animals and plants exhibit a wide range of movements
4. Hydra cannot use its tentacles for locomotion

Which of the following is not correct?
1. Cilia and flagella are the outgrowths of the cell membrane
2. Flagellar movements help in the swimming of spermatozoa, maintenance of water current in the canal system of sponges
3. Locomotion of Protozoan like Euglena is also carried by cillia
4. 40-50 percentage of body weight of a human adult is contributed by muscles

Based on location how many types of muscles are reported?
1. Three, skeletal, visceral and cardiac
2. Two, smooth and skeletal
3. Four, skeletal, visceral, cardiac and Digestive system's muscles
4. Only one i.e., contractile muscles

Which of the following is not a feature of skeletal muscles?
1. Are associated with skeletal components of the body
2. Striped appearance
3. Voluntary control
4. Transportation of food through digestive tract