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NEET · Biology · STD 11 - 17. Locomotion and movement

Which of the following statements are correct with reference to human endoskeleton ?
A. Human skull is monocondylic.
B. The joint between any two adjoining vertebrae is a cartilaginous joint.
C. In human beings, the number of cervical vertebrae is seven.
D. All ribs except the last 2 pairs are bicephalic.
E. The occipital bone of skull is articulated with atlas vertebra.
Choose the correct answer from the options given below :

  1. A B and E only
  2. B B, C and E only
  3. C C, D and E only
  4. D A, B and D only
Verified Solution

Answer & Solution

Correct Answer

(B) B, C and E only

Step-by-step Solution

Detailed explanation

(B) B, C and E only
Statement A is incorrect because the human skull is dicondylic, possessing two occipital condyles.
Statement B is correct because the joints between adjacent vertebrae are cartilaginous joints, which permit limited movement.
Statement C is correct because humans, like almost all mammals, have seven cervical vertebrae.
Statement D is incorrect because all 12 pairs of ribs are bicephalic, meaning they have two articulation surfaces on their dorsal end
Statement E is correct because the occipital bone of the skull articulates with the first cervical vertebra, known as the atlas.
Therefore, statements B, C, and E are correct.