Animal Kingdom

Multiple Choice Questions

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'Organ of Jacobson' helps in

  • touch

  • vision

  • smell

  • hear

C.

smell

Jacobson's organ, also called vomeronasal organ, an organ of chemoreception is a part of the olfactory system of amphibians, reptiles, and mammals, although it does not occur in all tetrapod groups. It was discovered by Frederick Ruysch and later by Ludwig Jacobson mis 1813.

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    Retrogressive metamorphosis occurs in

    • Hemichordata

    • Cephalochordata

    • Urochordata

    • Vertebrata

    Answer

    'Water vascular' system is found in

    • sea-anemone

    • sea-pen

    • sea-cucumber

    • sea-horse

    Answer

    Radula is found in

    • Pila sp.

    • Chiton sp.

    • Lamellidens sp.

    • Pinctada sp.

    Answer

    Which of the following animal belongs to class-Crustacea?

    • Cockroach

    • Cyclops

    • Grasshopper

    • Mosquito

    Answer
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    Which of the following is not correctly matched?

    • Sycon - Canal system

    • Star fish - Radial symmetry

    • Ascaris - Flame cell

    • Prawn - Haemocoel

    Answer

    Which of the following is a catadromous fish?

    • Hilsa sp.

    • Mystus sp.

    • Anguilla sp.

    • Channa sp.

    Answer

    Cysticercus stage is formed in

    • Taenia

    • Plasmodium

    • Leishmania

    • Wuchereria

    Answer

    the scientific name of Asian Tiger Mosquito

    • Aedes aegypti

    • Aedes albopictus

    • Aedes taeniorhynchus

    • Aedes albolineatus

    Answer
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    Ornithorhynchus is an example of

    • dinosaur

    • monotreme mammal

    • marsupial mammal

    • eutherian mammal

    Answer
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