Which nitrogenous waste is the most toxic?
AAmmonia
BAdenine
CAlbumin
DArginine
Answer & Solution
Correct answer: A. Ammonia
1. Ammonia, urea and uric acid are the major nitrogenous wastes.
2. Ammonia is the most toxic form and needs a large amount of water for elimination.
3. Uric acid is the least toxic.
_Source: NCERT Class 11 Biology, Ch 19 'Excretory Products and their Elimination'_
Related questions
The presence of glucose in urine is called:How much urea does an adult excrete per day on average?Human urine is slightly acidic, with a pH of about:How much urine does an adult human pass per day on average?ADH mainly increases the reabsorption of:Antidiuretic hormone is also known as:Angiotensin II activates the adrenal cortex to release:A fall in glomerular filtration rate makes the JG cells release: