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  • Give answer! Which of the following organisms are known as chief producers in the oceans ?

Which of the following organisms are known as chief producers in the oceans ?

  • Option 1)

    Cyanobacteria

  • Option 2)

    Diatoms

  • Option 3)

    Dinoflagellates

  • Option 4)

    Euglenoids

 

Answers (2)

As we learnt in

Diatomas / Chrysophytes -

  1. May be present in marine, fresh water or terrestrial habitats.
  2. Movement is brought by mucilage propulsion.

- wherein

  1. Serve as sewage pollution indicator.
  2. Cell walls are embedded with silica, which are indestructible and thus, forms diatomaceous earth or kieselguhr.

 

 Diatoms are algae with distinctive, transparent cell walls made of silicon dioxide hydrated with a small amount of water (SiO2 + H2O). Diatoms are chief producers of the ocean.


Option 1)

Cyanobacteria

This is incorrect.

Option 2)

Diatoms

This is correct.

Option 3)

Dinoflagellates

This is incorrect.

Option 4)

Euglenoids

This is incorrect.

Posted by

subam

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NEET 2024 Most scoring concepts

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Option 2

Posted by

Jnanesh H R

View full answer

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