MCQ
Respiration is seen in
- ANon green cells only
- BNon green cells in light only
- ✓All living cells both during day and night
- DAll cells, except the photosynthetic cells during day
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$(i)$ 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.