Which three crops contribute the most to global food production?

$A$: Encephalomalacia,a disease of poultry,is caused by the protozoan $Eimeria$.
$R$: Encephalomalacia causes bloody diarrhoea in poultry.

Which fiber-yielding crop is cultivated over the largest area in India?

Where is the Central Rice Research Institute located?

The world's $P$ livestock is possessed by $Q$ and the contribution to the world farm produce is $R$.
$\quad P\quad\quad Q\quad\quad\quad\quad\quad R$
$(A)$ $70 \%\quad$ India and China $\quad 25 \%$
$(B)$ $70 \%\quad$ India and America $\quad 25 \%$
$(C)$ $30 \%\quad$ India and China $\quad 75 \%$
$(D)$ $30 \%\quad$ India and America $\quad 75 \%$

Which is the richest source of plant protein?