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Match the following:

i. Ammonotelism (Bony fishes)a. Amino acidsii. Ureotelism (Frogs)b. Guanineiii. Uricotelism (Birds)c. Ammoniaiv. Aminotelism (Molluscs)d. Uric acidv. Guanotelism (Spiders)e. Urea

A

i). a .,ii).c., iii). d., iv). b., v).e

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B

i). d., ii). a., iii). e., iv). c., v).b

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C

i).c., ii). e., iii). d., iv). a., v).b

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D

i). a., ii). d., iii). b., iv). c., v).e

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Solution

The correct option is C

i).c., ii). e., iii). d., iv). a., v).b


Animals, which are able to excrete the highly toxic ammonia as it is, are known as ammonotelic animals (examples- protozoans, crustaceans, platyhelminthes, cnidarians, poriferans, echinoderms, fishes, larvae).
Ureotelism --- involves excretion of nitrogenous waste as urea (examples - man, whales, seals, desert mammals like kangaroo rats, camels, toads, frogs, cartilaginous fishes, aquatic and semi-aquatic reptiles like alligator, terrapins and turtles).
Uricotelism --- involves excretion of nitrogenous waste as uric acid (examples - birds, land reptiles, insects, land snails and some land crustaceans).
Aminotelism --- involves excretion of amino acids directly, without break down into waste products. (examples - molluscs, echinoderms)
Guanotelism --- involves excretion of the purine, guanine as the nitrogenous waste (examples - spiders).


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