Plant Kingdom English Medium Free Online Test 1 Mark Questions 2020-2021

8th Standard

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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. Solanum trilobatum is the binomial name of Thoothuvalai. Here the word ‘Solanum’ refers to

    (a)

    Species

    (b)

    Genus

    (c)

    Class

    (d)

    Orders

  2. Floridian starch is a reserve food material of _______

    (a)

    Chloroplyceae

    (b)

    Phaeophyceae

    (c)

    Rhodophyceae

    (d)

    Cyanophyceae

  3. Soil erosion is prevented by____________plants.

    (a)

    Algae

    (b)

    Fungi

    (c)

    Bryophytes

    (d)

    Pteridophytes

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

    (a)

    Bryophytes

    (b)

    Pteridophytes

    (c)

    Gymnosperms

    (d)

    Angiosperms

  5. Penicillin is an antibiotic, which is extracted from________

    (a)

    Algae

    (b)

    Fungi

    (c)

    Bryophytes

    (d)

    Pteridophytes

  6. The estimated number of species on the earth is _________ million

    (a)

    8.7

    (b)

    100

    (c)

    120

    (d)

    150

  7. ______ 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

  8. _____ is the giant kelp

    (a)

    Spirogyra

    (b)

    Volvox

    (c)

    Macrocystis

    (d)

    Chlorella

  9. ______ is used as a food for domestic animals

    (a)

    Gelidium

    (b)

    Ascophyllum

    (c)

    Laminaria & Ascophyllum

  10. Cercospora personata causes _________

    (a)

    Wilt disease

    (b)

    Red rot of sugar cane

    (c)

    Blast disease

    (d)

    Tikka disease

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