Which of the following is an incorrect pair?

The International Rice-$8$ $(IR-8)$ was introduced in India from:

Consider the following four measures $(I-IV)$ that could be taken to successfully grow chickpea in an area where bacterial blight is common.
$I.$ Spray with Bordeaux mixture.
$II.$ Control of the insect vector of the disease pathogen.
$III.$ Use of disease-free seeds only.
$IV.$ Use of varieties resistant to the disease.
Which of the above measures can control the disease?

India is an agricultural country. Agriculture accounts for approximately $P$ of India's Gross Domestic Product $(GDP)$ and employs about $Q$ of the population.
$\quad\quad P\quad Q$

Match the following columns:

Column-$I$	Column-$II$
$P$. Insecticides	$I$. Pesticides
$Q$. Pesticides	$II$. Weedicides
$R$. Weedicides	$III$. Insecticides

Which of the following is a viral disease of poultry birds?