Latest Science Questions For 12th Grade Biology! Quiz

14 Questions | Total Attempts: 170

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Latest Science Questions For 12th Grade Biology! Quiz

Biology is the branch of science dealing with the study of life. It describes the characteristics, classification, and behaviors of organisms, how species come into existence, and the interactions they have with each other and with the environment. Easy definition huh? Let's see if this quiz is as easy!


Questions and Answers
  • 1. 
    Which of following cause changes in perception, thought, emotion and consciousness?
    • A. 

      Narcotics

    • B. 

      Sedatives

    • C. 

      Hallucinations

    • D. 

      None

  • 2. 
    Which of following comes from a mushroom?
    • A. 

      Mescaline

    • B. 

      Psilocin

    • C. 

      Marijuana

    • D. 

      None

  • 3. 
    Comparable to angiosperms, which of the following algae exhibits diplontic life cycle?
    • A. 

      Spirogyra

    • B. 

      Ectocarpus

    • C. 

      Polysiphonia

    • D. 

      Fucus

  • 4. 
    Isogamous condition with non-flagellated gametes is found in
    • A. 

      Chlamydomonas

    • B. 

      Spirogyra

    • C. 

      Volvox

    • D. 

      Fucus

  • 5. 
    Besides paddy fields, cyanobacteria are also found inside vegetative part of
    • A. 

      Pinus

    • B. 

      Cycas

    • C. 

      Equisetum

    • D. 

      Psilotum

  • 6. 
    Megasporangium is equivalent to
    • A. 

      Embryo sac

    • B. 

      Fruit

    • C. 

      Nucellus

    • D. 

      Ovule

  • 7. 
    Two adjacent filaments of Spirogyra affinis each 10 cells participating in reproduction. How many new Spirogyra plants are produced during sexual reproduction?
    • A. 

      5

    • B. 

      10

    • C. 

      20

    • D. 

      40

  • 8. 
    Which one pair of examples will correctly represent the grouping Spermatophyta according to one of the schemes of classifying plants:
    • A. 

      OptionAcacia, Sugarcane 1

    • B. 

      Pinus, Cycas

    • C. 

      Rhizopus, Triticum

    • D. 

      Ginkgo, Pisum

  • 9. 
    Which one pair of examples will correctly represent the grouping Spermatophyta according to one of the schemes of classifying plants:
    • A. 

      OptionAcacia, Sugarcane 1

    • B. 

      Pinus, Cycas

    • C. 

      Rhizopus, Triticum

    • D. 

      Ginkgo, Pisum

  • 10. 
    Haploid brown, hairlike, delicate unicellular outgrowths are:
    • A. 

      Root hairs of Gymnosperms

    • B. 

      Paraphyses of mosses

    • C. 

      Root modules of Pulses

    • D. 

      Rhizoids of fern plants

  • 11. 
    Which one of the following in Spirogyra is different based on its nucleus?
    • A. 

      Zygospore

    • B. 

      Azygospore

    • C. 

      Aplanospore

    • D. 

      Akinete

  • 12. 
    Which one of the following in Spirogyra is different based on its nucleus?
    • A. 

      Zygospore

    • B. 

      Azygospore

    • C. 

      Aplanospore

    • D. 

      Akinete

  • 13. 
    Which one pair of examples will correctly represent the grouping Spermatophyta according to one of the schemes of classifying plants:
    • A. 

      OptionAcacia, Sugarcane 1

    • B. 

      Pinus, Cycas

    • C. 

      Rhizopus, Triticum

    • D. 

      Ginkgo, Pisum

  • 14. 
    Which one pair of examples will correctly represent the grouping Spermatophyta according to one of the schemes of classifying plants:
    • A. 

      OptionAcacia, Sugarcane 1

    • B. 

      Pinus, Cycas

    • C. 

      Rhizopus, Triticum

    • D. 

      Ginkgo, Pisum

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