Which of the following statements are correct with reference to human endoskeleton? Choose the correct answer from the options given below:
- C, D and E only
- B, C and E only
- A, B and D only
- B and E only
Answer
(2) B, C and E only
Solution
As per NCERT,
A – incorrect: the human skull articulates with the vertebral column by two occipital condyles (dicondylic skull).
B – correct: the joint between adjacent vertebrae is a cartilaginous joint.
C – correct: there are 7 cervical vertebrae in human beings.
D – incorrect: each rib has two articulation surfaces on its dorsal end, so all 12 pairs of ribs are bicephalic.
E – correct: the occipital condyles of the skull articulate with the first vertebra, the atlas.
∴ Correct statements: B, C and E
Answer: (2)