Question:
The salt secreting glands are absent in ____.
The salt secreting glands are absent in ____.
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Salt glands are found in marine vertebrates that take in seawater, whereas osmoconformers need none.
Updated On: Nov 12, 2026
- Albatross birds
- Sea turtles
- Sea clams
- Marine iguanas
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
Salt glands help marine vertebrates get rid of excess salt taken in with seawater.
Step 2: Examples with glands
Albatrosses have nasal salt glands. Sea turtles excrete salt through modified lachrymal glands. Marine iguanas expel salt from nasal glands by sneezing.
Step 3: The exception
Sea clams are bivalve molluscs whose body fluids are isotonic with seawater. They are osmoconformers and need no salt glands.
Final Answer:
Salt secreting glands are absent in sea clams. \[ \boxed{\text{(C) }\text{Sea clams}} \]
Salt glands help marine vertebrates get rid of excess salt taken in with seawater.
Step 2: Examples with glands
Albatrosses have nasal salt glands. Sea turtles excrete salt through modified lachrymal glands. Marine iguanas expel salt from nasal glands by sneezing.
Step 3: The exception
Sea clams are bivalve molluscs whose body fluids are isotonic with seawater. They are osmoconformers and need no salt glands.
Final Answer:
Salt secreting glands are absent in sea clams. \[ \boxed{\text{(C) }\text{Sea clams}} \]
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