NEET Biology Solved Question Paper 2009

Multiple Choice Questions

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Polyp phase is absent in

  • Hydra

  • Aurelia

  • Physalia

  • Obelia

B.

Aurelia

Polyp and medusa are the asexual and sexual phases present respectively in coleoptiles.

Aurelia (jelly fish) belongs to Class- Scyphozoa, in which medusoid phase is dominant and polypoid phase is absent.

Hydra, Obelia, Physalia are the members of Class- Hydrozoa, in which, medusoid and polypoid both phases are present.

Metridium, Tubiporia etc are the members of Class- Anthozoa, with only polyps.

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    The intermediate host of Schistosoma is

    • Snail

    • mosquito

    • housefly

    • sheep

    Answer

    In Mollusca, eye is present over a stalk, called

    • ostracum

    • operculum

    • ommatophores

    • osphradium

    Answer

    The vitamin which is essential for blood clotting is

    • Vitamin- A

    • Vitamin- B

    • Vitamin- C

    • Vitamin- K

    Answer

    The characteristic larva of Phylum- 'Coelenterata' is

    • planula

    • cysticercus

    • rhabdiform

    • wriggler

    Answer
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    The female genital pore of Pheretima posthuma located upon the segment

    • 14th

    • 16th

    • 18th

    • 15th

    Answer

    Malphigian tubules are

    • excretory organs of insects

    • excretory organs of frog

    • respiratory organs of insects

    • endocrine glands of insects

    Answer

    In blood, CO2 is transported majorly as

    • sodium carbonate

    • carboxyhaemoglobin

    • bicarbonate

    • CO2 as such

    Answer

    In frog heart, there are cardiac muscles which consists of fibres called

    • Purkinje fibres

    • myonemes

    • telodendria

    • columnae carnae

    Answer
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    Tuberllarians are free living

    • nematodes

    • cestodes

    • flat worms

    • trematodes

    Answer