Zoology - Reproduction in Organisms One Mark Questions

12th Standard EM

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Biology

Time : 01:00:00 Hrs
Total Marks : 25
    14 x 1 = 14
  1. In which type of parthenogenesis are only males produced?

    (a)

    Arrhenotoky

    (b)

    Thelytoky

    (c)

    Amphitoky

    (d)

    Both a and b

  2. The mode of reproduction in bacteria is by

    (a)

    Formation of gametes

    (b)

    Endospore formation

    (c)

    Conjugation

    (d)

    Zoospore formation

  3. Assertion and reasoning questions:
    In each of the following questions there are two statements. One is assertion (A) and other is reasoning (R). Mark the correct answer as
    Assertion: Viviparous animals give better protection to their off springs.
    Reason: They lay their eggs in the safe places of the environment

    (a)

    If both A and R are true and R is correct explanation for A

    (b)

    If both A and R are true but R is not the correct explanation for A

    (c)

    If A is true but R is false

    (d)

    If both A and R are false

  4. Transverse Binary fission is seen is ______

    (a)

    Vorticella

    (b)

    Paramecium

    (c)

    Plasmodium

    (d)

    Euglena

  5. In, dinoflagellates the types of asexual reproduction seen is _____

    (a)

    Simple Binary fission

    (b)

    Multiple fission

    (c)

    Oblique binary fission

    (d)

    Longitudinal binary fission

  6. Giant Amoeba refers to ______

    (a)

    Opalina

    (b)

    Pelomyxa

    (c)

    Ceratium

    (d)

    Trichonympha

  7. Budding is seen in ______

    (a)

    Noctiluca

    (b)

    Amoeba

    (c)

    Nostoc

    (d)

    Planaria

  8. Technique used for cultivation of sponges is based on ______

    (a)

    Multiple fission

    (b)

    Parthenogenesis

    (c)

    Regeneration

    (d)

    Autogamy

  9. External fertilization is seen is ______

    (a)

    Mammals and birds

    (b)

    Reptiles and sponges

    (c)

    Fishes and birds

    (d)

    Sponges and amphibians

  10. Paedogenesis is seen in ______

    (a)

    Gall fly

    (b)

    Honey bees

    (c)

    Aphis

    (d)

    Hydra

  11. In honey bees, the mode of reproduction is

    (a)

    Sexual and Asexual

    (b)

    Sexual and Parthenogenesis

    (c)

    Asexual and Parthenogenesis

    (d)

    All the above

  12. Special type of transverse division seen in Aurelia is called ______

    (a)

    plasmotomy

    (b)

    strobilation

    (c)

    pedal laceration

    (d)

    sporulation

  13. Starfish shown ______ type of regeneration.

    (a)

    epimorphosis - reparative

    (b)

    epimorphosis (restorative)

    (c)

    morphallaxis

    (d)

    paedogenesis

  14. Identify the wrong statement.

    (a)

    Oviparous animals lays eggs.

    (b)

    Viviparous animals give rise to young ones

    (c)

    Ovoviviparous animals lays eggs and then hatch it to young ones.

    (d)

    Amphibians are oviparous animals

  15. 4 x 1 = 4
  16. The process by which gravid proglottids of tapeworm gets cut off is called ____________

    ()

    apolysis

  17. The concept of regeneration was first noticed in _____________

    ()

    Hydra

  18. The ploidy of males produced by arrhenotoky parthenogenesis is _______________

    ()

    haploid

  19. Human beings are an example for ___________ breeders.

    ()

    continuous

  20. 7 x 1 = 7
  21. Strobilation

  22. (1)

    Human beings

  23. Regeneration

  24. (2)

    Trichonympha

  25. Parthenogenesis

  26. (3)

    Gall fly

  27. Fragmentation

  28. (4)

    Hydra

  29. Exogamy

  30. (5)

    Aurelia

  31. Hologamy

  32. (6)

    Taenia solium

  33. Isogamy

  34. (7)

    Monocystis

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