The shield-shaped cotyledon seen in monocot seeds is known as:

What are the products formed when ammonia reacts with excess chlorine?

Let $C$ be a curve given by $y(x) = 1 + \sqrt{4x - 3}$,$x > \frac{3}{4}$. If $P$ is a point on $C$ such that the tangent at $P$ has slope $\frac{2}{3}$,then a point through which the normal at $P$ passes is:

Tubectomy is a method of sterilization in which

For an electron with $n = 3$,there is only one radial node. The orbital angular momentum of the electron will be

$A$ point object on the principal axis at a distance $15\, cm$ in front of a concave mirror of radius of curvature $20\, cm$ has a velocity of $2\, mm/s$ perpendicular to the principal axis. The velocity of the image at that instant will be.......$mm/s$.