Plant Kingdom Model Questions

8th Standard EM

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Science

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. Solanum trilobatum is the binomial name of Thoothuvalai. Here the word ‘Solanum’ refers to

    (a)

    Species

    (b)

    Genus

    (c)

    Class

    (d)

    Orders

  2. The first vascular cryptogams in land plants are ________.

    (a)

    Bryophytes

    (b)

    Pteridophytes

    (c)

    Gymnosperm

    (d)

    Angiosperm

  3. Binominal Nomenclature was first introduced in the year of _______

    (a)

    1970

    (b)

    1975

    (c)

    1978

    (d)

    1623

  4. Penicillin is an antibiotic, which is extracted from________

    (a)

    Algae

    (b)

    Fungi

    (c)

    Bryophytes

    (d)

    Pteridophytes

  5. ______ is the earliest system of classification in plants.

    (a)

    Natural system of classification

    (b)

    Artificial system of classification

    (c)

    Phylogenetic system of classification

    (d)

    Modern system of classification

  6. 5 x 1 = 5
  7. Binomial Nomenclature was first introduced by ________

    ()

    Gaspard Bauhin

  8. Monocotyledon seeds bear only _______cotyledon.

    ()

    one

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

    ()

    glycogen ,oil

  10. Reticulate venation is present in ________ plants.

    ()

    Dicotyledonae

  11. ______ cures peptic ulcer

    ()

    Aloe vera

  12. 4 x 1 = 4
  13. In polypetalae, the petals are free.

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

    (a) True
    (b) False
  15. Pinus is a closed seeded plant.

    (a) True
    (b) False
  16. The dominant phase of the bryophytes is sporophytes.

    (a) True
    (b) False
  17. 5 x 1 = 5
  18. Penicillium chrysogenum

  19. (1)

    Penicillin

  20. Araucaria bidwilli

  21. (2)

    Lycopodium

  22. Pyricularia oryzae

  23. (3)

    Collectotrichum falcatum

  24. Lycopsida

  25. (4)

    Ornamental plants

  26. Red rot

  27. (5)

    Blast disease of paddy

    3 x 2 = 6
  28. Assertion (A): Penicillin is an antibiotic extracted from Penicillium notatum.
    Reason (R): It can kill (or) inhibits the growth of the other micro organism.
    1) Both A and R True, R explains A
    2) A only correct, R doesn’t explain A
    3) A True, R explains A
    4) Both A and R False.

  29. Assertion(A): Bryophytes are called Amphibians of the plant kingdom.
    Reason(R): Bryophytes are land plants but they need water for the completion of their life cycle.
    a) A correct R correct
    b) A incorrect R correct
    c) A and R correct R explain A
    d) A and R incorrect

  30. Assertion (A): Gymnosperms have well developed vascular tissue.
    Reason (R): The water-conducting tissue is trachieid food conducting tissue is sieve cell.
    a. Both are wrong
    b. A is correct: R explains A
    c. Both are correct
    d. A is correct: R does not explain A

  31. 3 x 2 = 6
  32. Algae: Autotrophs
    :: Fungi: __________

  33. Athelte's foot : Tinea pedis
    Dandruff : _________

  34. Fragmentation: Spirogyra
    :: Spore formation: __________

  35. 4 x 2 = 8
  36. Define Thallus.

  37. Write any two characters of dicotyledons.

  38. Write any two economic importance of fungi.

  39. Define SCP

  40. 2 x 3 = 6
  41. Write short notes about natural system of classification.

  42. Write the differences between algae and fungi.

  43. 1 x 5 = 5
  44. Write differences between Gymnosperm and Angiosperm.

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