The Test made to compare the Performance of Student with the other student is called________?

The interior Ten Pairs of Ribs joint to a bony plate is called:?

I.Q of a student having same physical and mental age will be________?

The another name of shoulder bone is________?

How many laps does an Olympic athlete swim in a 10,000 meter free style marathon________?

There is a direct relationship between density of spinal bone and________?