A person passes lot of dilute urine and drinks a lot of water but does not have glycosuria. He is most likely suffering from :

1. Type 1 diabetes mellitus

2. Type 2 diabetes mellitus

3. Pituitary diabetes

4. Diabetes insipidus

Describe urine in relationship to glomerular filtration tubular reabsorption and tubular secretion urine :
1. glomerular filtration + tubular reabsorption + tubular secretion 
2. glomerular filtration - tubular reabsorption -tubular secretion 
3. glomerular filtration + tubular reabsorption -tubular secretion 
4. glomerular filtration -tubular reabsorption +tubular secretion 

Which of the following nitrogenous wastes is most toxic form and requires a lot of water for removal?

1. Ammonia

2. Urea

3. Uric acid

4. Creatinine

Which of the following nitrogenous wastes is least toxic?

1. Uric Acid

2. Urea

3. Creatinine

4. Ammonia

Ammonotelic organisms are not

1. Bony Fishes

2. Aquatic Amphibians

3. Aquatic Insects

4. Marine fishes

Ammonotelic organisms excrete out

1. Ammonia

2. Ammonium ions

3. Ammonium sulfate

4. Ammonium nitrate

Ammonia is converted into urea in which of the following organs of Ureotelic organisms?

1. Liver

2. Kidney

3. Urinary bladder

4. Gut

Kidney matrix retains some amount of urea to

1. Maintain a desired osmolarity

2. Maintain metabolism

3. Maintain balance of the body

4. Maintain micturition

Which of the following is not uricotelic?

1. Reptiles

2. Birds

3. Land snails

4. All insects

The invertebrates have which of the following excretory structures?

1. Simple Tubular forms

2. Complex tubular organs

3. Kidneys

4. Interstitial lamina