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11th Standard Botany - Living World English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

11th Standard

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Botany

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

    Answer all the questions

    10 x 1 = 10
  1. Identify the incorrect statement about the Gram positive bacteria

    (a)

    Techoic acid absent

    (b)

    High percentage of peptidoglycan is found in cell wall

    (c)

    Cell wall is single layered

    (d)

    Lipopolysaccharide is present in cell wall

  2. The correct statement regarding Blue green algae is

    (a)

    lack of motile structures

    (b)

    presence of cellulose in cell wall

    (c)

    absence of mucilage around the thallus

    (d)

    presence of floridean starch

  3. A plant growth promoter got from fungi is ___________

    (a)

    Rennet

    (b)

    Gibberellin

    (c)

    Ergot

    (d)

    Griseofulvin

  4. ___________ are considered as pollution indicators.

    (a)

    Mycorrhiza

    (b)

    Actinomycete

    (c)

    Lichens

    (d)

    Cyanobacteria

  5. Living thing is otherwise called as ___________

    (a)

    Organ

    (b)

    Organelle

    (c)

    Organism

    (d)

    Cell

  6. Sum total of constructive reactions is called as _____________

    (a)

    Anabolism

    (b)

    Catabolism

    (c)

    Metabolism

    (d)

    Embolism

  7. Organisms grow by __________

    (a)

    cell division

    (b)

    spore formation

    (c)

    fragmentation

    (d)

    vegetative propagation

  8. _________ do not growth.

    (a)

    Living organisms

    (b)

    Microorganisms

    (c)

    Dead organisms

    (d)

    All the above

  9. Earth was formed _______________ billion years ago.

    (a)

    4.6

    (b)

    5.5

    (c)

    4

    (d)

    3

  10. Identify the criteria not used for classification of viruses.

    (a)

    -ss or -ds

    (b)

    Use of RT

    (c)

    (+) RNA or (-) RNA

    (d)

    Reproduction

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