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Coxal glands are found in
Option: 1
Insects
Option: 2
Crustaceans
Option: 3
Molluscs
Option: 4
Arachnids
Answers (1)
Excretory Structures in Animals -
- Protonephridia or flame cells are the excretory structures in Platyhelminthes (Flatworms, e.g., Planaria), rotifers, some annelids and the cephalochordate – Amphioxus.
- Protonephridia are primarily concerned with ionic and fluid volume regulation, i.e., osmoregulation.
- Nephridia are the tubular excretory structures of earthworms and other annelids.
- Nephridia help to remove nitrogenous wastes and maintain a fluid and ionic balance.
- Malpighian tubules are the excretory structures of most of the insects including cockroaches.
- Malpighian tubules help in the removal of nitrogenous wastes and osmoregulation.
- Coxal glands are found in arachnids for excretion
- Antennal glands or green glands perform the excretory function in crustaceans like prawns.
- Molluscs show Organs of Bojanus and Keber’s organs for excretion
- Neural glands are present in urochordates such as Herdmania for excretion
-
Coxal glands are found in arachnids for excretion. Hence, the correct option is d arachnids
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