A: Birds have metanephric kidneys and no urin | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) Assertion is correct: Birds possess advanced metanephric kidneys. The absence of a urinary bladder is a significant flight adaptation to reduce bo

Vedclass · Accepted Answer

Assertion and Reason both are correct but Reason is not the correct explanation of Assertion.

Vedclass · Answer

(B) Assertion is correct: Birds possess advanced metanephric kidneys. The absence of a urinary bladder is a significant flight adaptation to reduce body weight.Reason is correct: The South American Ostrich $(Rhea \ 	ext{americana})$ is a flightless bird and is an exception among birds as it possesses a urinary bladder.Conclusion: Both Assertion and Reason are true,but the Reason does not explain why birds generally lack a urinary bladder.

$A$: Birds have metanephric kidneys and no urinary bladder.
$R$: South American Ostrich has a urinary bladder.

Similar Questions

Explain briefly,micturition and disorders of the excretory system.

Why do we pass more urine in wet and cold seasons?

Choose the correct pair regarding urine formation.

$A$: Pregnant women may show some presence of glucose in their post-prandial urine although they have no diabetes.
$R$: In pregnant women,the glomerular filtration rate $(GFR)$ is slightly increased. As a result,the tubular load of glucose exceeds the tubular maximum for glucose reabsorption.

In the urinogenital organs of a rabbit,which one of the following parts is present in the male but not in the female?

Vedclass Test Series

Exam Paper Generator

Online Exam Module

$A$: Birds have metanephric kidneys and no urinary bladder.$R$: South American Ostrich has a urinary bladder.