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The outer covering of which organism is ...

The outer covering of which organism is used as abrasive for metal polishing ?

A

Dinoflagellates

B

Radiolarians

C

Sponge

D

Diatoms

Text Solution

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The correct Answer is:
D
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ARIHANT NEET-PROTISTA-CHAPTER EXERCISES ((A) TAKING IT TOGETHER (Assorted questions of the chapter for advance level practice))
  1. Chromosomes are without histone are found in

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  2. Which species of protist are known as the whirling whips because of th...

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  3. The outer covering of which organism is used as abrasive for metal pol...

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  4. Decemposer protists are

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  5. Schuffner s granues (dots) are found in malaria patient in the cells ...

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  6. Beside RBCs, plasmodium attacks one more type of human body cells duri...

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  7. Ciliated protozoans are aquatic, actively moving organisms, because of...

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  8. Ciliated protozoans have a cavity, that opens to the outside of the ce...

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  9. Sporozoite of plasmodium is

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  10. Which of the following characteristics feature is not similar between ...

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  11. Metaboly is a creeping movement of euglenoids which occurs by

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  12. Choose the incorrect match.

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  13. Choose the correct option for the parts labelled A-E of the given figu...

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  14. In protista, phagotrophic nutrition is found in

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  15. Cell wall are preserved as fossils in one of the following

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  16. In nactiluca, mesokaryotic stage appears in

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  17. Diatoms which have radial symmetry are known as

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  18. The flagellum of euglena is

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  19. The protistans in which cell size decreases with each division are

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  20. The male gametes of diatoms have

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