Both corpus luteum and macula lutea are

The magnetic needle of a tangent galvanometer is deflected at an angle $30^{\circ}$ due to a magnet. The horizontal component of the Earth's magnetic field is $0.34 \times 10^{-4} \text{ T}$,which is along the plane of the coil. The magnetic field due to the magnet is:

Yeast is used in the production of

Which of the following is an example of a Gram-positive bacterium?

In which of the following reactions,$MgO$ is not formed?

$A$ committee of $12$ members is to be formed from $9$ women and $8$ men. The number of committees in which the women are in majority is