1. urea cycle is operating
2. urea cycle may be operating
3. arginine is being converted into Ornithine
4. arginine is being converted into citrulline
arginine is being converted into Ornithine
1. Liver
2. Kidney
3. Book lungs
4. Hepatopancreas
Hepatopancreas
1. India
2. Britain
3. USA
4. France
USA
1. Water
2. Salts
3. Urea
4. All of these
Water
1. Reabsorption
2. Secretion
3. Perfusion
4. Filtration
Perfusion
1. Industrial effluents
2. Pollen of aquatic plants
3. Heavy metals
4. Faecal matter
Faecal matter
1. Ammonia
2. Urea
3. Uric acid
4. D-Ammonia and urea
Uric acid
1. Hydrilla
2. Water hyacinth
3. Larva of stone fly
4. Blue-green algae
Larva of stone fly
1. Ornithine, citrulline and alanine
2. Ornithine, citrulline and arginine
3. Amino acid are not used
4. Ornithine, citrulline and fumaric acid
Ornithine, citrulline and fumaric acid
1. Benzopyrene
2. Freon
3. Benzene
4. CH4
Freon