Question

The dark zone of sea is called
a) Shallow Zone
b) Profundal zone
c) Limnetic Zone
d. None of the above
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Answer 1

Explanation:

The dark zone of sea is called profundal zone. The right answer of the given question is option b) Profundal zone. The profundal zone is a deeper zone of an inland body of freestanding water, which is located below the range of effective light penetration. Further, you can discuss it with your teacher or in your peer circle or friends group.

Answer 2

The darkzone of sea is known as midnight zone or bathyal zone. In the given question, none of the given option is correct. So, the answer is None of the above.

Option - D

Explanation:

• The midnight zone or no light zone is being called as dark zone. It is also called as bathyal zone.
• A sea has 5 types of zones. They are Hadalpelagic Zone, Abyssopelagic Zone, Bathypelagic Zone, Mesopelagic Zone, and Epipelagic Zone.

• The dark zones is with no light. The light is found on the surface level of the surface of water.
• The bathyal zone is the zone, where the sunlight doesn't enters, because it extends to a depth of "1,000 to 4,000 m" (3,300 to 13,100 ft) below the surface of ocean.

• The shallow zone has no light reaching in the area, it is always dark with less life possibility certainly found with more fossil or broken aircraft in the deep sea.

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