Question

Marine fish when placed in tap water burst because of

• A. Endosmosis
• B. Exosmosis
• C. Diffusion
• D. plasmolysis

Answer 1

The correct option is A

Endosmosis

The correct option is A.

Explanation of correct option:

1. When a solution has less solute than inside the cell of the organism the water or solvent molecules move inside the cell through the semipermeable membrane, called endosmosis.
2. Marine fish bodies are found in saltwater.
3. Saltwater has more solute concentration than freshwater.
4. When marine fish is placed in tap water the water moves inside the cell and their cells swell up, causing them to burst due to endosmosis.

Explanation of incorrect option

Option B. In endosmosis, water moves from inside the cell from the surrounding solution.

Option C. Diffusion is the net movement of the molecules from a high concentration area to a low concentration area.

Option D. Plasmolysis is the detachment of the cytoplasm from the cell wall when placed in a hypertonic solution.

Final Answer: Marine fish when placed in tap water burst because of endosmosis.