Assertion (A) : Birds can considerably use water loss in the urine. Reason (R) : Birds store urine along with faeces in cloaca.

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Q: 100 (CDS-I/2004)
Assertion (A) : Birds can considerably use water loss in the urine.
Reason (R) : Birds store urine along with faeces in cloaca.

question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,6,48,40,6,3,5

keywords: 

{'birds': [5, 0, 1, 1], 'urine': [1, 0, 1, 2], 'water loss': [0, 0, 1, 2], 'assertion': [0, 0, 0, 1], 'faeces': [0, 0, 1, 0], 'cloaca': [0, 0, 1, 0]}

Option 1 states that both Assertion (A) and Reason (R) are true, and that Reason (R) correctly explains the Assertion (A). In this case, Assertion (A) is that birds can considerably use water loss in the urine, and Reason (R) is that birds store urine along with feces in the cloaca.

Option 2 correctly states that both Assertion (A) and Reason (R) are individually true, but Reason (R) is not the correct explanation of Assertion (A). This means that although both the Assertion and Reason are true, they are not related in a cause-and-effect relationship. While birds do store urine along with feces in the cloaca, this does not necessarily explain why birds can considerably use water loss in the urine. Therefore, this option is the correct answer.

Option 3 states that Assertion (A) is true, but Reason (R) is false. Since both the Assertion and Reason are actually true, this option is incorrect.

Option 4 states that Assertion (A) is false, but Reason (R) is true. Since Assertion (A) is actually true, this option is also incorrect.

In conclusion, the correct answer is option 2 because both Assertion (A) and Reason