Which of the following is a source of rubber?

$SBRI$ (Sugarcane Breeding Research Institute) was established in:

The medicine for curing impotence is prepared from which of the following plants?

Match the following botanical families with their respective medicinal or economic plants:

$1$. Ranunculaceae	$I$. Heeng
$2$. Umbelliferae	$II$. Indian madar
$3$. Solanaceae	$III$. Sarpgandha
$4$. Menispermaceae	$IV$. Mulathi
$5$. Papilionaceae	$V$. Harjori
$6$. Apocynaceae	$VI$. Ashwagandha
$7$. Rubiaceae	$VII$. Ajmod
$8$. Umbelliferae	$VIII$. Aconite

Select the correct matching sequence for $1, 2, 3, 4, 5, 6, 7, 8$.

Which branch of science is associated with the development and cultivation of forests?

Which of the following plants yields the medicine used for pupil dilation?