Pearl oyster is a mollusc which belongs to class : from Biology

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

All worms are :

  • triploblastic

  • segmented

  • endo-parasites

  • free - living


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2.

Pearl oyster is a mollusc which belongs to class :

  • Cephalopoda

  • Pelecypoda

  • Scaphopoda

  • Gastropoda


B.

Pelecypoda

Pinctada is commonly called Indian pearl oyster. Oyster's shell secretes pearls, whenever any organism enters the shell and causes irritation. Pinctada belongs to Phylum-Mollusca and Class Pelecypoda.


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3.

Which of the following is a coelenterate ?

  • Sea lily

  • Sea squirt

  • Sea cucumber

  • Sea fan


4.

As per classification which of the following is correct ?

  • Ascaris, Pheretima, Grasshopper

  • Hydra, Pterido, Leucosolenia

  • Starfish, Grasshopper, Solen

  • Pila, Dentalium, Octopus


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5.

Kaziranga National Park is famous for :

  • Rhinoceros

  • Tiger

  • Asiatic lion

  • Nilgai


6.

Commercial silk is obtained from :

  • cocoon/ pupa

  • caterpiller

  • adult moth

  • both egg and adult moth


7.

Continuous bleeding from an injured part of body is due to deficiency of :

  • Vitamin A

  • Vitamin B

  • Vitamin K

  • Vitamin E


8.

In which of the following class of Annelida, one pair ovaries and several pair testes are found ?

  • Archiannelida

  • Hirudinea

  • Oligochaeta

  • Polychaeta


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9.

The universal recipient blood group is :

  • O (+ ve)

  • AB (+ ve)

  • O (- ve)

  • AB (- ve)


10.

Hydrophytes are characterised by :

  • thick and large leaf

  • delicate and mucilagenous stem

  • short spinous stem

  • all of the above


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