Malpighian tubules are the _
Correct answer: A. Excretory organs of insects
- A. Excretory organs of insects
- B. Excretory organs of annelids
- C. Respiratory organs of insects
- D. Respiratory organs of annelids.
Explanation
In insects Malpighian tubules are attached to the alimentary canal at the extreme anterior end of hindgut. These are fine, long, unbranched, yellowish and blind tubules lying freely in the haemolymph. These are between 60 to 150 in number and are arranged in 68 bundles. They excrete out nitrogenous wastes from the body in the form of uric acid.
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Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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