Question : In which of the following ecosystems benthic zone is found?
Option 1: Freshwater ecosystem
Option 2: Saltwater ecosystem
Option 3: Tundra ecosystem
Option 4: Forest ecosystem
Correct Answer: Saltwater ecosystem
Solution : The correct option is the Saltwater ecosystem.
The benthic zone is found in saltwater ecosystems. It refers to the lowest level of a body of water such as an ocean or sea, comprising the sediment surface and subsurface layers, along with the organisms that inhabit these bottom regions. The benthic zone is especially diverse in marine ecosystems, encompassing a wide range of habitats from shallow coastal areas to the deep-sea abyssal zone. Benthos are organisms that live in the benthic zone.
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Question : Which of the following liquids has the least density?
Option 1: Freshwater
Option 2: Saltwater
Option 3: Petrol
Option 4: Mercury
Question : ______ is characterized by abundant dissolved oxygen, sunlight, nutrients, generally high wave energies and water motion and in the intertidal subzone, alternating submergence and exposure.
Option 1: The Lentic Zone
Option 2: The Limnetic Zone
Option 3: The Littoral Zone
Option 4: The Benthic Zone
Question : The largest forest which covers 25 per cent of the world's forest land is:
Option 1: The Tropical Rain Forest
Option 2: Taiga Forest of Siberia
Option 3: Monsoon Forest
Option 4: Temperate Forests of Europe
Question : Which of the following is an artificial ecosystem?
Option 1: Aquarium
Option 2: Biosphere reserve
Option 3: Sanctuary
Option 4: National park
Question : The forests which act as barriers against cyclones are:
Option 1: Alpine forest
Option 2: Mangrove forest
Option 3: Evergreen forest
Option 4: Monsoon forest
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