Which of the following is most toxic?

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Question:
Which of the following is most toxic?

1.Ammonia

2.Urea

3.Uric acid

4.Trimethylamine oxide

Posted Date:-2021-09-01 20:27:41

More MCQS Questions and answers

  1. A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone
  2. Amount of water required to excrete 1gN of Urea is
  3. Animals that produce metabolic heat at low level and also absorb heat from the surroundings are called
  4. Aquatic animals excrete nitrogenous waste commonly in the form of
  5. Bats & humming birds belong to
  6. Brown fat present in certain mammals is specialized in
  7. Each ach nephridium of earthworm opens to the exterior by
  8. Each human kidney receives _____ % of total cardiac out put
  9. Excessive lactic acid is converted into ________ by liver.
  10. Fishes, most of the invertebrates and amphibians are examples of ______ animals
  11. Formation of heat shock proteins in plants results in
  12. Hydra has no specialized excretory system because
  13. In animals excess of nitrogen is excreted primarily in form of
  14. In plants which of the following is a waste product produced both during photosynthesis and respiration
  15. In Urea cycle ______ ammonia molecules combine with 1 CO2 molecule to form 1 molecule of urea.
  16. Malphighian tubules absorb waste materials and salts from
  17. Mammalian kidney, under restricted water supply can conserve water by over _____ % reabsorption of glomerular filtrate
  18. Marine fish can keep their internal environment hypertonic with respect to the surrounding salty water by retaining.
  19. Most of the marine invertebrates are
  20. Nephrostome in earthworm opens in
  21. Normal body temperature in mamals like human beings is
  22. On which of the following site the posterior pituitary hormone acts predominantly
  23. Protonephridia are present in
  24. Purine and pyrimidine catabolism results in production of
  25. Rose is an example of
  26. The characteristic which enable animals to tolerate dehydration is called
  27. The distal blind end of the malpighian tubules bathes freely in
  28. The main nitrogenous waste formed in the body of earthworm is/are
  29. The nephridia of earthworm open into the coelom by
  30. Thick, waxy & leathery cuticle around leaves is present in
  31. Which adaptation is acquired by plants of cooler areas to prevent lipid crystal formation in cell membrane?
  32. Which excretory product in produced in plants during autotrophic mode of life?
  33. Which of the following animal excrete nitrogenous waste mainly as uric acid?
  34. Which of the following constituent is/are maximum in the filtrate that leaves proximal convoluted tubules
  35. Which of the following excretory structure is associated with gut of the organism?
  36. Which of the following filtrate contains excessive amount of amino acids, glucose, and salts?
  37. Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?
  38. Which of the following fishes excrete large volume of diluted urine?
  39. Which of the following is a segmentally arranged excretory system?
  40. Which of the following is most toxic?
  41. Which of the following kidney stones are most common?
  42. Which of the following marine fishes are considered direct descendents of fresh water ancestors?
  43. Which of the following mechanism explains development of anemia in Renal failure?
  44. Which of the following nephrons play important role in production of concentrated urine?
  45. Which of the following openings have cilia?
  46. Which of the following statement about conifers is correct?
  47. Which of the following treatment will be administered first in a newly diagnosed renal failure patient?
  48. Which of the vascular channels are related to Juxtramedullary nephrous only?
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