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Assertion: In birds and reptiles, main excretory product is the combined form of urine and faeces.
Reason: Birds and reptiles consists no separate chamber for excretion of urine and faeces.
  • a)
    If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  • b)
    If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  • c)
    If Assertion is true but Reason is false.
  • d)
    If both Assertion and Reason are false.
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Assertion: In birds and reptiles, main excretory product is the combin...
In birds and reptiles, ureters and the rectum open into a common sac is known as the cloaca (as there is no chamber for urine and faces) for these two that stores both, and reabsorbs water from them and ultimately excretes these white and brownish black material along with aqueous fluid.
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Assertion: In birds and reptiles, main excretory product is the combin...
Assertion and Reason Analysis:

Assertion: In birds and reptiles, the main excretory product is the combined form of urine and faeces.

Reason: Birds and reptiles consist of no separate chamber for the excretion of urine and faeces.

Explanation:

Separate Excretory Chamber:
- In mammals, the excretory system consists of separate chambers for urine and faeces, namely the urinary bladder and rectum.
- However, in birds and reptiles, there is no distinct separation between urine and faeces excretion.

Combined Excretory Product:
- Birds and reptiles produce a combined excretory product known as uric acid.
- Uric acid is a semi-solid waste product that contains both nitrogenous waste and undigested food material.
- This uric acid is excreted through the cloaca, a common opening for the digestive, urinary, and reproductive systems in birds and reptiles.

Assertion and Reason Relationship:
- The reason provided correctly explains why the main excretory product in birds and reptiles is a combination of urine and faeces.
- Due to the absence of separate chambers for the excretion of urine and faeces, these animals produce uric acid as a combined excretory product.
Therefore, option 'A' is the correct choice as both the Assertion and Reason are true, and the Reason is the correct explanation of the Assertion in the context of the excretory system of birds and reptiles.
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Assertion: In birds and reptiles, main excretory product is the combined form of urine and faeces.Reason: Birds and reptiles consists no separate chamber for excretion of urine and faeces.a)If both Assertion and Reason are true and Reason is the correct explanation of Assertion.b)If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.c)If Assertion is true but Reason is false.d)If both Assertion and Reason are false.Correct answer is option 'A'. Can you explain this answer?
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