Quiz  /  Reproduction in Organisms Class 12 MCQ Questions With Answers

  • 1. 
    VEGETATIVE REPRODUCTION IN FLOWERING PLANTS IS ALSO CALLED AS ASEXUAL REPRODUCTION BECAUSE

  • SINGLE PARENT IS INVOLVED
  • OFFSPRINGS PRODUCED ARE CLONES
  • NEW INDIVIDUALS ARE MORPHOLOGICALLY AND GENETICALLY SIMILAR
  • ALL OF THE ABOVE

  • 2. 
    WHAT IS LIFE SPAN?

  • PERIOD FROM BIRTH TO DEATH
  • PERIOD FROM PREGNANCY TO BIRTH
  • PERIOD FROM CONCEPTION TO PREGNANCY
  • NONE OF THE ABOVE

  • 3. 
    PARTHENOGENESIS OCCURS IN

  • ROTIFERS
  • HONEY BEES
  • TURKEY
  • ALL OF THE ABOVE

  • 4. 
    FOLLOWING ARE THE EXAMPLES OF DIOECIOUS PLANTS

  • CUCURBITS AND COCONUTS
  • PAPAYA AND DATE PALM
  • CHINAROSE AND BRINJAL
  • NONE OF THE ABOVE

  • 5. 
    Which of the following terms means "a cell that does not have a nucleus"?

  • Prokaryotic
  • Eukaryotic
  • Protista
  • Archaea

  • 6. 
    Bryophyllum daigremontianum reproduces by

  • Vegetative propagation
  • Budding
  • Fission
  • Fragmentation

  • 7. 
    ALL ORGANISMS HAVE TO REACH CERTAIN STAGES,THEY ARE

  • JUVENILE, REPRODUCTIVE AND SENESCENT PHASE
  • REPRODUCTIVE,GROWTH AND MATURITY PHASE
  • CHILDHOOD,BOYHOOD AND ADULTHOOD
  • NONE OF THESE ABOVE

  • 8. 
    All of the offspring of an organism have the same genetic material, which is identical to the parent organism. From this, we can conclude that this organism -

  • makes its own food
  • is unicellular
  • live in a marine habitat
  • reproduces asexually

  • 9. 
    Which of the following types of asexual reproduction is noticed in Amoeba?

  • (a) Sporulation
  • (b) Encystment
  • (c) Binary fission
  • (d) All the above

  • 10. 
    In seeded plants male gametes are transferred to the egg cell by

  • Air
  • Insects
  • Water
  • Pollen tube

  • 11. 
    What is formed when an egg cell and sperm cell are joined together?

  • zygote
  • diploid cell
  • haploid cell
  • sister cell

  • 12. 
    Identify the incorrect statement regarding parthenogenesis.

  • Development of sperm without fertilization.
  • It was first discovered by Charles Bonnet.
  • Honey bees exhibit incomplete parthenogenesis.
  • Amphitoky is a type of natural parthenogenesis

  • 13. 
    Which type of parthenogenesis only females are produced?

  • Arrhenotoky
  • Amphitoky
  • Thelytoky
  • Both (a) and (b)

  • 14. 
    Which animals have developed capacity of regeneration ?

  • Hydra, Starfish
  • Plasmodium
  • Earthworm
  • Spongilla

  • 15. 
    When living tissue from a plant is extracted and placed in a medium, it is called ______

  • Horticulture
  • Transplantation
  • Explant
  • None of the above

  • 16. 
    What describes a cell that has pairs of chromosomes called?

  • haploid cell
  • diploid cell
  • parent cell
  • daughter cell

  • 17. 
    Transverse binary fission is noticed in ___________

  • Amoeba
  • Planaria
  • Ceratium
  • Vorticella

  • 18. 
    Identify the mismatched pair.

  • Paedogenesis – Liver fluke
  • Strobilation – Aurelia
  • Amphitoky – Honey bee
  • Encystment – Amoeba

  • 19. 
    How many parents does asexual reproduction involve?

  • one
  • two
  • three
  • four

  • 20. 
    Identify the wrong statement.

  • Oviparous animals lays eggs.
  • Viviparous animals give rise to young ones.
  • Ovoviviparous animals lays eggs and then hatch it to young ones.
  • Amphibians are oviparous animals

  • 21. 
    Which of the following is considered as connecting link between the two generations

  • Gametes
  • Zygote
  • Embryo
  • Offspring

  • 22. 
    Roots are used in vegetative propagation of

  • Ginger
  • Sweet potato
  • Chrysanthemum
  • Potato

  • 23. 
    Assertion (A): Organisms show three phases in their life cycle. Reason (R): Juvenile phase is a degenerative phase.

  • A is correct R but is incorrect
  • Both A and R are correct
  • R is the correct explanation for A
  • A is not correct but R is correct

  • 24. 
    Pick out the organism whose fertilization occurs internally.

  • reptiles
  • sponges
  • pisces
  • amphibians
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