Which of the following is a genetically dominant trait in human beings?

The sensitivity of a galvanometer is $60 \text{ division/A}$. When a shunt is used,its sensitivity becomes $10 \text{ division/A}$. If the galvanometer is of resistance $20 \ \Omega$,the value of shunt used is: (in $\Omega$)

Which of the following reagents are required to prepare $3$-ethylpentan-$3$-ol?

Yeast is used in the production of

If $I$ is the identity matrix of order $2$ and $A = \begin{bmatrix} 1 & 1 \\ 0 & 1 \end{bmatrix}$,then for $n \geq 1$,mathematical induction gives

$A$ disc of radius $R$ is made to oscillate about a horizontal axis passing through its periphery. Its time period would be