Question
Easy
In marine fishes excessive salt from the body is removed by
1
Small intestine
2
Protonephrons
3
Scroll valve
4
Gills
Question Details
Time to Solve: 12
Exam: HTET
Level/Paper: HTET_L3
Chapter:
Topic:
Correct Answer
Option D
Explanation
The correct option is 4: Gills Marine bony fish, known as teleosts, face a significant challenge in their hypertonic (saltier) environment: they constantly lose water to the sea by osmosis across their permeable membranes, primarily the gills. To counteract this constant dehydration, the fish must continuously drink seawater. However, drinking seawater introduces a massive load of salt into their bodies, which must be actively removed to maintain a stable internalтАжRead More
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