For which of the following requirements has humanity been active since the beginning?

Match the organisms in Column $I$ with their economic importance in Column $II$.

Column $I$ (Organism)	Column $II$ (Economic importance)
$i$. $Trachardia$ $lacca$	$a$. Used to produce oils,soaps and isinglass
$ii$. $Bombyx$ $mori$	$b$. Helps in pollination of crops
$iii$. $Cirrhina$ $mrigala$	$c$. Resin-like substance produced by dermal glands
$iv$. $Apis$ $mellifera$	$d$. Best quality of mulberry silk is produced

Which of the following crops produces recalcitrant seeds?

Crop rotation is used by farmers to increase

Read the following statements carefully and select the correct ones:
$(1)$ The wheat variety $Atlas$ $66$ has high protein content.
$(2)$ $SCP$ is an alternative source of protein for human and animal nutrition.
$(3)$ Plants developed through micropropagation are genetically different from the parent plant.
$(4)$ Semi-dwarf rice varieties were derived from $IR-8$ and $Taichung$ $Native-1$.

Which of the following are considered volatile toxicants used as fumigants?