Question

Observe the list of animals given below:
I. Tracheate arthropods
II. Land snails
III. Hydra
IV. Earth worms
V. Reptiles
VI. Birds
VII. Mammals
VIII. Bony fishes
IX. Amphibians
Among the above, ureotelism is found in

• A. I, VIII, IX
• B. II, III, VI
• C. V, VI, IX
• D. VII, VIII, IX

Hint:

Ammonotelic = excrete ammonia (aquatic animals), Ureotelic = excrete urea (mammals, reptiles), Uricotelic = excrete uric acid (birds, terrestrial reptiles). Classification is based on nitrogenous waste excretion.

Answer 1

The Correct Option is C

Ureotelic animals excrete urea. Reptiles, birds, and mammals primarily convert ammonia to urea (ureotelism). Other animals may be ammonotelic or uricotelic.