STD 11 - 4. Animal kingdom — BIOLOGY STD 11 Science — Question

$(i)$ 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.

1. Lipids that bind molecules to pass them through the membrane.
2. Transport molecules uphill.
3. These are specific transporters.
4. These are sensitive to inhibitors.