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11th Standard Botany - Tissue and Tissue System 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. Read the following sentences and identify the correctly matched sentences.
    i. In exarch condition, the protoxylem lies outside of metaxylem.
    ii. In endarch condition, the protoxylem lie towords the centre.
    iii. In centarch condition, metaxylem lies in the middle of the protoxylem.
    iv. In mesarch condition, protoxylem lies in the middle of the metaxylem.

    (a)

    i, ii and iii only

    (b)

    ii, iii and iv only

    (c)

    i, ii and iv only

    (d)

    All of these

  2. When a leaf trace extends from a vascular bundle in a dicot stem, what would be the arrangement of vascular tissues in the veins of the leaf?

    (a)

    Xylem would be on top and the phloem on the bottom

    (b)

    Phloem would be on top and the xylem on the bottom

    (c)

    Xylem would encircle the phloem

    (d)

    Phloem would encircle the xylem

  3. From the given diagram identify the correct statement:
    (i) A is responsible for increasing in length and is found at the basal portion of internodes  
    (ii) A contributes to increase the length of plant.
    (iii) C divides only radially and produces the girth of the plant.
    (iv) B and Care the lateral meristem.

    (a)

    i and ii only

    (b)

    ii and iii only

    (c)

    iii and iv only

    (d)

    i and iv only

  4. Which of the following is not a function of epidermis?

    (a)

    Protection of internal tissues

    (b)

    Exchange of gases

    (c)

    Providing mechanical strength and flexibility

    (d)

    Minimising surface transpiration

  5. In a vertical section of a typical dicot leaf, the phloem in the mid-vein is situated

    (a)

    Facing the lower epidermis

    (b)

    Facing the upper epidermis

    (c)

    Facing sideways

    (d)

    All around the xylem

  6. Ground tissue includes

    (a)

    All tissues external to endodermis

    (b)

    All tissues except epidermis & vascular bundles

    (c)

    Epidermis & cortex

    (d)

    All tissues internal to endodermis

  7. The Tunica corpus theory was proposed by _____________

    (a)

    Henstein

    (b)

    Strassburgur

    (c)

    Schmidt

    (d)

    Hofmeister

  8. The inactive region in root promeristem is called _____________

    (a)

    Korper zone

    (b)

    Quiescent centre

    (c)

    Kappe zone

    (d)

    Calyptrogen

  9. Pick out the feature not applicable to roots.

    (a)

    Radial arrangement of vascular tissues

    (b)

    endarch Xylem

    (c)

    Meta xylem is polygonal is shape

    (d)

    Endogenous lateral roots

  10. The terms 'Hadrome' for Xylem and 'Leptome' for phloem were coined by ____________

    (a)

    Clowes

    (b)

    Haberlandt

    (c)

    Hanstein

    (d)

    Schmidt

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