All worms are : from Biology NEET Year 2003 Free Solved Previous

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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1.

All worms are :

  • triploblastic

  • segmented

  • endo-parasites

  • free - living


A.

triploblastic

All worms which belongs to phylum Platyhelminthes and Aschelminthes are triploblastic i.e. body is composed of three primary germ layers, namely, ectoderm, mesoderm and endoderm. These may be either endo-parasites or exo-parasites and generally devoid of body segmentation.


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2.

Pearl oyster is a mollusc which belongs to class :

  • Cephalopoda

  • Pelecypoda

  • Scaphopoda

  • Gastropoda


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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