Which one of following options gives the correct categorization of six animals according to the type of nitrogenous wastes they give out?

Ammonotelic - Pigeon, Humans; Ureotelic - Aquatic Amphibia, Lizards; Uricotelic - Cockroach, Frog

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Ammonotelic - Frog, Lizards; Ureotelic - Aquatic Amphibia, Humans; Uricotelic - Cockroach, Pigeon

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Ammonotelic - Aquatic Amphibia; Ureotelic - Frog, Humans; Uricotelic - Pigeon, Lizards, Cockroach

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Ammonotelic - Aquatic Amphibia; Ureotelic - Cockroach, Humans; Uricotelic - Frog, Pigeon, Lizards

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Solution

The correct option is C Ammonotelic - Aquatic Amphibia; Ureotelic - Frog, Humans; Uricotelic - Pigeon, Lizards, Cockroach
Aquatic amphibia have high access to water and therefore will excrete ammonia as such. Tailless amphibians and mammals are ureotelic, they convert ammonia to urea for excretion. Most terrestrial animals, especially that survive in desert conditions like insects and reptiles are uricotelic, they excrete uric acid. Birds having a need to reduce body weight, keep their water requirements to a minimum and therefore also excrete uric acid.

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Similar questions

Q. Which one of the following gives the correct categorization of six animals according to the type of nitrogenous wastes (A, B, C), they excrete?

\begin{matrix} A & B & C A m m o n o t e l i c & U r e o t e l i c & U r i c o t e l i c (a) & P i g e o n s, H u m a n s & A q u a t i c A m p h i b i a, L i z a r d s & C o c k r o a c h, F r o g (b) & F r o g, l i z a r d s & A q u a t i c A m p h i b i a, H u m a n s & C o c r o a c h, P i g e o n (c) & A q u a t i c A m p h i b i a & F r o g, H u m a n s & P i g e o n, L i z a r d s, C o c k r o a c h (d) & A q u a t i c A m p h i b i a & C o c k r o a c h, H u m a n s & F r o g, P i g e o n, L i z a r d s \end{matrix}

Which one of the following statements is incorrect?
(a) Birds and lands snails are uricotelic animals
(b) Mammals and frogs are ureotelic animals
(c) Aquatic amphibians and aquatic insects are ammonotelic animals
(d) Birds and reptiles are ureotelic

Q. What do you understand by ammonotelic, ureotelic and uricotelic animals? Give example of each.

Q. Which type of excretory waste will be excreted by organisms in class cyclostomata (uricotelic/ureotelic/ammmonotelic)

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