Which of the following is not a hereditary disease?

The figure shows three long straight wires $P, Q$ and $R$ carrying currents normal to the plane of the paper. All three currents have the same magnitude. Which arrow best shows the direction of the resultant force on the wire $P$?

In what ratio does the $y-$axis divide the line segment joining the points $(-3, -4)$ and $(1, 2)$?

The glenoid cavity articulates:

Which one of the following pesticides is banned now-a-days?

According to molecular orbital theory,the total number of bonding electron pairs in $O_2$ is