Vertebral Column

Read the following statements and find out the incorrect (a) Hyoid is present at the roof of the buccal cavity and included in the skull (b) The skull region anieulates with the superior region of the vertebral column with the help of two occipital condyles (c) First vertebra is the axis which articulates with the occipital condyles (d) Stemum is a hat bone on the dorsal midline of therox. Vertebral column is dorsally placed Appendicular site

Read the following statements (I to IV). I. Snail moves with the help of its muscular foot. II. Vertebral column of man has more number of vertebrae than that of woman. III. At the time of birth, a human baby has more number of bones than an adult. IV. Joint present in the upper jaw of the skull is freely movable. Which of the above statements are incorrect?

In the sub-phylum (_i_) notochord is present only in the larval tail, while in (_ii_), it extends from head to tail region and is persistent throughout their life. In (_iii_) class of vertebrate notochord is replaced by certilaginous vertebral column and (_iv_) class of vertebrate the notochord is replaced by bony vertebral column. select the option which is correct for all (i)-(iv) blanks.

Match the columns I and II, and choose the correct combination from the options given {:(,"Column I","Column II"),((a),"Tribus ribs",(1)"Attached to vertebral column dorsally and to seventh rib ventrally"),((b),"False ribs",(2)"Do not connected ventrally"),((c ),"Floating ribs",(3)"Attached to vertebral column dorsally and to sternum ventrally"):}

Assertion :- The skull region articulates with the superior regionof the vertebral column with the help of two occipital condyles. Reason : The number of cervical vertebrae are seven in almost all mammals including human beings.

Choose the incorrect statement from the following : a . 12 pairs of ribs are present . b. Ribs dorsally articulate with sternum and ventrally with the vertebral column . c . Ribs are not bicephalic d. Ribs are attached with sternum with the help of hyaline cartilage.

Which of the following is/are correct for human skeleton ? I. The axial and appendicular skeleton of adult man consist of 80 and 126 bones repectively. II. The number of bones in the skull of man is 28. III. Number of bone in the human cranium is 8. IV. The number of bones in vertebral column is 7. Choose the correct option.

Read the following statement : (A) Peripheral nervous system divide's in somatic nervous system & autonomic nervous system. (B) Central nervous system includes brain & vertebral column, (C) Afferent nerve fibre transmit impulse from CNS and vise versa is also correct. How many of above statements is/are false