Excretory Products And Their Elimination Ques 7

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

[2012M]

| | A-Ammo-
notelic | B-Ureotelic | C-Urico-
telic |

| :— | :— | :— | :— |

(a) | Pigeon,
Humans | Aquatic
Amphibia,
Lizards | Cockroach,
Frog |

(b) | Frog, Lizards | Aquatic
Amphibia,
Humans | Cockroach,
Pigeon |

(c) | Aquatic
Amphibia | Frog,
Humans | Pigeon,
Lizards,
Cockroach |

(d) | Aquatic
Amphibia | Cockroach,
Humans | Frog, Pigeon,
Lizards |

Show Answer

Answer : c

Hints & Solutions

(c) Those animals that excrete ammonia are called as ammonotelic, eg. aquatic amphibia. Those animals that excrete urea are called as ureotelic, eg. frog, humans. Those animals that excrete uric acid are called as uricotelic, eg. pigeon, lizards, and cockroach.