Which of the following can not be true?

(1) All mammals have seven cervical vertebrae

(2) Vertebral Column protects the spinal cord, and supports the head.

(3) Vertebral Column serves as the point of attachment for the ribs and musculature of the back

(4) Sternum is a flat bone on the ventral midline of thorax

(1) 12 pairs of ribs

(2) Thin flat bone, connected dorsally to the sternum and ventrally to the vertebral column

(3) Bicephalic

(4) Both B and C

(1) First seven pairs

(2) Dorsally attached to sternum

(3) Ventrally attached to vertebral column

(4) All of these

(1) 8th, 9th and 10th pairs of ribs to the 7th pair of ribs

(2) 7th pair of ribs to the vertebral Column

(3) 11th and 12th pair of ribs to the vertebral Column to the sternum

(4) Both B and C

1. 6th pair

2. 9th pair

3. 12th pair

4. Both 1 and 2

(1) 7th rib pair

(2) 12th rib pair

(3) 10th rib pair

(4) All of these

(1) 2

(2) 4

(3) 1

(4) 6

(1) 3

(2) 6

(3) 12

(4) 9

(1) Four in number

(2) Connected dorsally

(3) They are attached ventrally to Vertebral Column

(4) Both B and C

(1) Thoracic vertebrae

(2) Ribs

(3) Sternum

(4) Clavicle