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#2 | Osmoregulation
(Zoology) > Excretory Products and their Elimination

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Related Practice Questions :

Trimethylamine oxide is an excretory product in

1. fresh water teleosts

2. marine teleosts

3. marine invertebrate

4. none of these.

Level 3: 35%-60%
Hints

Assertion   :       Secreting hypotonic urine is effective in reducing urinary loss of water.

Reason      :       Hypotonic urine is more concentrated and higher in osmotic pressure than the blood.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
 55%
Level 3: 35%-60%
Hints

Urea remains in the kidney matrix of which of the following organisms?

 

1.Aquatic Insects

 

2.Aquatic amphibians

 

3.Bony fishes

 

4.Marine fishes

 78%
Level 2: 60%+
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