Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Human body
Out of 'X' pairs of ribs in humans, only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation :
1
X = 24, Y = 12 True ribs are dorsally attached to vertebral column but are free on ventral side
2
- X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum
3
X = 12, Y = 5 True ribs are attached dorsally to vertebral column and sternum on the two ends
4
More than one of the above
5
None of the above