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11th Standard Botany - Cell - The Unit of Life English Medium Free Online Test One Mark Questions 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. The two subunits of ribosomes remain united at critical ion level of

    (a)

    Magnesium

    (b)

    Calcium

    (c)

    Sodium

    (d)

    Ferrous

  2. Many cells function properly and divide mitotically even though they do not have

    (a)

    plasma membrane

    (b)

    cytoskeleton

    (c)

    mitochondria

    (d)

    plastids

  3. Robert Hooke coined the term cell based on observation of_______

    (a)

    Cork

    (b)

    Bacteria

    (c)

    Cyano bacteria

    (d)

    Pus cells

  4. A patch stop carrier is a part of_______

    (a)

    Bright field microscope

    (b)

    Dark field microscope

    (c)

    Electron microscope

    (d)

    Phase contrast microscope

  5. Choose the correct statement with regard to working of scanning electron microscope.
    (a) Glass slides are used
    (b) They work in a vacuum medium
    (c) The stubs are coated in gold
    (d) A 2-D picture is obtained.

    (a)

    i and ii

    (b)

    ii and iii

    (c)

    i and iv

    (d)

    (a) are wrong

  6. Choose the group that belongs to Mesokaryotes.

    (a)

    Dinoflagellates and Protozoa

    (b)

    Fungi and Plants

    (c)

    Bacteria and Archaebacteria

    (d)

    Algae and Fungi

  7. Pick out the word which is not applicable to chloroplast
    PSI, RUBISCO, ATP Synthase, Stroma, Cristae, 70s Ribosome

    (a)

    PSI

    (b)

    ATP Synthase

    (c)

    Stroma

    (d)

    Cristae

  8. Janus Green is used to stain____

    (a)

    Starch

    (b)

    Nucleus

    (c)

    Mitochondria

    (d)

    Chromosome

  9. Name the membrane which surrounds the vacuole in cell.

    (a)

    Fibroblast

    (b)

    Leuoplast

    (c)

    Tonoplast

    (d)

    Elaioplast

  10. It is the Smallest Cell______.

    (a)

    Bacteria

    (b)

    Blue green algae

    (c)

    Yeast

    (d)

    Mycoplasm

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