Multiple Choice Questions

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Which of the following is a catadromous fish?

  • Hilsa sp.

  • Mystus sp.

  • Anguilla sp.

  • Channa sp.


C.

Anguilla sp.

Anguilla sp, is a catadromous fish found on the Eastern coast of North America. It has a snake-like body with a small sharp pointed head. It has sharp pointed teeth but no pelvic fins. It is very similar to the European eel, but the two species differ in number of chromosomes and vertebrae.


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Radula is found in

  • Pila sp.

  • Chiton sp.

  • Lamellidens sp.

  • Pinctada sp.


Which of the following animal belongs to class-Crustacea?

  • Cockroach

  • Cyclops

  • Grasshopper

  • Mosquito


Which of the following is not correctly matched?

  • Sycon - Canal system

  • Star fish - Radial symmetry

  • Ascaris - Flame cell

  • Prawn - Haemocoel


Ornithorhynchus is an example of

  • dinosaur

  • monotreme mammal

  • marsupial mammal

  • eutherian mammal


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'Water vascular' system is found in

  • sea-anemone

  • sea-pen

  • sea-cucumber

  • sea-horse


'Organ of Jacobson' helps in

  • touch

  • vision

  • smell

  • hear


Cysticercus stage is formed in

  • Taenia

  • Plasmodium

  • Leishmania

  • Wuchereria


the scientific name of Asian Tiger Mosquito

  • Aedes aegypti

  • Aedes albopictus

  • Aedes taeniorhynchus

  • Aedes albolineatus


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Retrogressive metamorphosis occurs in

  • Hemichordata

  • Cephalochordata

  • Urochordata

  • Vertebrata


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