Which of the following is a tricarboxylic acid?

What is the process of breeding crops to increase their levels of minerals,vitamins,and proteins called?

In which of the following reactions is $H_2O_2$ acting as a reducing agent?

$ABC$ is a triangular plate of uniform thickness. The sides are in the ratio $3:4:5$ as shown in the figure. $I_{AB}, I_{BC}, I_{CA}$ are the moments of inertia of the plate about axes $AB, BC$ and $CA$ respectively. Which one of the following relations is correct?

The angle between the curves $y=\sin x$ and $y=\cos x$ is

Let $M$ be the foot of the perpendicular from a point $P$ on the parabola $y^2=8(x-3)$ onto its directrix and let $S$ be the focus of the parabola. If $\triangle SPM$ is an equilateral triangle,then $P$ is equal to