Plant Kingdom Book Back Questions

8th Standard EM

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Science

Time : 00:45:00 Hrs
Total Marks : 30
    4 x 1 = 4
  1. Solanum trilobatum is the binomial name of Thoothuvalai. Here the word ‘Solanum’ refers to

    (a)

    Species

    (b)

    Genus

    (c)

    Class

    (d)

    Orders

  2. _________ is an example for colonial form of algae.

    (a)

    Oscillatoria

    (b)

    Nostac

    (c)

    Volvox

    (d)

    Chlorella

  3. The well-developed sporophytic plant body is seen in

    (a)

    Bryophytes

    (b)

    Pteridophytes

    (c)

    Gymnosperms

    (d)

    Angiosperms

  4. Penicillin is an antibiotic, which is extracted from________

    (a)

    Algae

    (b)

    Fungi

    (c)

    Bryophytes

    (d)

    Pteridophytes

  5. 3 x 1 = 3
  6. The word ‘Taxonomy’ is derived from __________.

    ()

    Two Greek words ctaxis and Nomos

  7. Monocotyledon seeds bear only _______cotyledon.

    ()

    one

  8. The reserve food material of fungi are _______ and ______

    ()

    glycogen ,oil

  9. 3 x 1 = 3
  10. In polypetalae, the petals are free.

    (a) True
    (b) False
  11. Binomial name should contains more than two words.

    (a) True
    (b) False
  12. Artificial system of classification is based on the vegetative characters of the plant.

    (a) True
    (b) False
  13. 2 x 2 = 4
  14. Seeds of gymnosperm plants are naked. Why?

  15. Mention the four types of classification

  16. 2 x 3 = 6
  17. Write the differences between algae and fungi.

  18. How many classes are there in Bryophytes? What are they?

  19. 2 x 5 = 10
  20. Draw the outline of Bentham and Hookers system classification.

  21. Write the economic importance of Gymnosperms.

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