Amount of water required to excrete 1gN of Urea is_________?

Related Mcqs:

1. Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?

   A. Hagfish
   B. Fresh water fishes
   C. Bony fishes
   D. None of these

2. In Urea cycle __________ ammonia molecules combine with 1 CO2 molecule to form 1 molecule of urea.

   A. 1
   B. 2
   C. 3
   D. 4

3. Which of the following fishes excrete large volume of diluted urine?

   A. Bony Marine fishes
   B. Fresh water fishes
   C. Both depending upon the surrounding water
   D. None of these

4. Aquatic animals excrete nitrogenous waste commonly in the form of_____________?

   A. Ammonia
   B. Urea
   C. Uric acid
   D. Trimethylamine oxide

5. Which of the following animal excrete nitrogenous waste mainly as uric acid?

   A. Hydra
   B. Planaria.
   C. Humans
   D. Birds.

6. The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)

   A. Deffusion
   B. Osmosis
   C. Active transport
   D. None of these

7. Breakdown of large molecules into smaller ones utilizing water molecules is_________?

   A. Hydration
   B. Hydrolysis
   C. Dehydration synthesis
   D. Electrolysis

8. Lipid molecules can store double amount of energy as compared to same amount of carbohydrate because of high number of__________________?

   A. C-C bonds
   B. C-H bonds
   C. C-N bonds
   D. C-O bonds

9. The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called___________?

   A. Specific Heat of Vaporization
   B. Specific Heat capacity
   C. Caloric Heat
   D. Both A and C

10. Mammalian kidney, under restricted water supply can conserve water by over ________ % reabsorption of glomerular filtrate

    A. 80.50%
    B. 90.50%
    C. 95.50%
    D. 99.50%