Plant Anatomy and Plant Physiology English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

10th Standard

    Reg.No. :
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Science

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

    Part A

    10 x 1 = 10
  1. Casparian strips are present in the _____________ of the root.

    (a)

    cortex

    (b)

    pith

    (c)

    pericycle

    (d)

    endodermis

  2. The xylem and phloem arranged side by side on same radius is called _________

    (a)

    radial

    (b)

    amphivasal

    (c)

    conjoint

    (d)

    None of these

  3. Oxygen is produced at what point during photosynthesis ?

    (a)

    when ATP is converted to ADP

    (b)

    when CO2 is fixed

    (c)

    when H2O is splitted

    (d)

    All of these

  4. Amphivasal bundle belongs to ___________ type of vascular, bundle.

    (a)

    concentric

    (b)

    collateral

    (c)

    conjoint

    (d)

    radial

  5. Protoxylem lacuna refers to a ________

    (a)

    thickening xylem

    (b)

    arrangement of

    (c)

    a cavity

    (d)

    exarch xylem

  6. Respiratory quotient for aerobic respiration is ____________

    (a)

    2

    (b)

    infinity

    (c)

    1

    (d)

    0

  7. ____________ helps in transpiration.

    (a)

    Stomata

    (b)

    Epidermis

    (c)

    Trichomes

    (d)

    Root hairs

  8. ______________ is the outermost layer of the root.

    (a)

    Epiblem

    (b)

    Cortex

    (c)

    Endodermis

    (d)

    Stele

  9. Mitochondria contain _______________ of protein.

    (a)

    70 - 80%

    (b)

    80 - 90%

    (c)

    60 -70 %

    (d)

    50 - 60 %

  10. Leucoplasts are __________ plastids.

    (a)

    colourless

    (b)

    yellow

    (c)

    orange

    (d)

    red

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