Multiple Choice Questions

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The universal recipient blood group is :

  • O (+ ve)

  • AB (+ ve)

  • O (- ve)

  • AB (- ve)


B.

AB (+ ve)

According to Landsteiner and Decastello four types of blood groups (A, B, AB and O) are found in humans. Landsteiner and Veiner (1940) also discovered Rh factor which is represented by +ve  or -ve mark. AB (+ve) is the universal recipient blood group and O (+ve) is the universal donor blood group.


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

  • Vitamin A

  • Vitamin B

  • Vitamin K

  • Vitamin E


Commercial silk is obtained from :

  • cocoon/ pupa

  • caterpiller

  • adult moth

  • both egg and adult moth


All worms are :

  • triploblastic

  • segmented

  • endo-parasites

  • free - living


Which of the following is a coelenterate ?

  • Sea lily

  • Sea squirt

  • Sea cucumber

  • Sea fan


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

  • Archiannelida

  • Hirudinea

  • Oligochaeta

  • Polychaeta


Pearl oyster is a mollusc which belongs to class :

  • Cephalopoda

  • Pelecypoda

  • Scaphopoda

  • Gastropoda


Kaziranga National Park is famous for :

  • Rhinoceros

  • Tiger

  • Asiatic lion

  • Nilgai


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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Hydrophytes are characterised by :

  • thick and large leaf

  • delicate and mucilagenous stem

  • short spinous stem

  • all of the above