UPSC CSE Prelims
Question 45
Consider the following animals:
- Sea cow
- Sea horse
- Sea lion
Which of the above is/are mammal/mammals?
View correct answer and explanation
Correct answer: B
Correct Option: B
Explanation: Sea cows (dugongs/manatees) and sea lions are marine mammals; seahorses are bony fish.
Statement/Pair-wise Analysis:
Statement/Item 1: Correct - Sea cows are air-breathing aquatic mammals that nurse their young.
Statement/Item 2: Incorrect - Seahorses belong to fish genus Hippocampus and breathe with gills.
Statement/Item 3: Correct - Sea lions are pinniped mammals in the family Otariidae.
Option-wise Analysis:
A: Incorrect - excludes true item 3.
B: Correct - selects all and only the accurate statements/pairs.
C: Incorrect - includes false item 2 and excludes true item 1.
D: Incorrect - includes false item 2.