MCQ
Two organisms of the same class, but different families, will be kept under the same:
- AGenera.
- BSpecies.
- COrder.
- DFamily.
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$R-$ RuBisCo is the most abundant enzyme in the world.
$(i)$ Cockroaches are brown or black bodied animals that are included in class insecta of phylum arthropoda.
$(ii)$ Males bear a pair of short, thread like anal styles which are absent in females.
$(iii)$ Heart of cockroach consists of elongated muscular tube lying along mid dorsal line of thorax and abdomen.
$(iv)$ The nymph grows by moulting about $13$ times to reach the adult form.
$X-Y$