New ! Biology MCQ Practise Tests

11th Standard Botany - Tissue and Tissue System English Medium Free Online Test One Mark Questions 2020 - 2021

11th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Botany

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

    Answer all the questions

    10 x 1 = 10
  1. Refer to the given figure and select the correct statement

    i. A, B, and C are histogen of shoot apex. 
    ii. A Gives rise to medullary rays.
    iii. B Gives rise to the cortex. 
    iv. C Gives rise to epidermis

    (a)

    i and ii only

    (b)

    ii and iii only

    (c)

    i and iii only

    (d)

    iii and iv only

  2. In Gymnosperms, the activity of sieve tubes are controlled by

    (a)

    Nearby sieve tube members

    (b)

    Phloem parenchyma cells

    (c)

    Nucleus of companion cells

    (d)

    Nucleus of albuminous cells.

  3. Grafting is successful in dicots but not in monocots because the dicots have

    (a)

    Vascular bundles arranged in a ring

    (b)

    Cambium for secondary growth

    (c)

    Vessels with elements arranged end to end

    (d)

    Cork cambium

  4. Identify the correctly matched pair.

    (a)

    Bicollateral vascular bundles - cucurbita pepo

    (b)

    Amphicribal vascular bundles - dracaena

    (c)

    Amphivasal vascular bundles - prunus

    (d)

    Open vascular bundles - stem of Zea mays

  5. Select the incorrect statement about casparian strips

    (a)

    These are bands of thickenings along the radial and tangential walls of endodermal cells

    (b)

    They prevent plasmolysis of endodermal cells

    (c)

    These are composed of lignin, suberin and tannins.

    (d)

    It is not found opposite to proto xylem points

  6. A meristem which divides in all planes is called __________

    (a)

    Intercalary meristem

    (b)

    Lateral meristem

    (c)

    Plate menstem

    (d)

    Mass meristem

  7. Atactostele is characteristic of ___________

    (a)

    Monocot leaf

    (b)

    Monocot stem

    (c)

    Dicot root

    (d)

    Dicot Stem

  8. Assertion (A): In grasses the bundle sheath is called Kranz sheath.
    Reason (R) : It is involved in photosynthesis.

    (a)

    A and R are right

    (b)

    A and R are wrong

    (c)

    R does not Explain A

    (d)

    A is right and R is wrong

  9. Conjunctive tissue __________

    (a)

    covers the phloem

    (b)

    covers the vascular bundle

    (c)

    covers the stele

    (d)

    separates xylem and phloem

  10. In insectivorous plants the ____________ help to trap insects.

    (a)

    Subsidiary cells

    (b)

    Trichomes

    (c)

    Root hairs

    (d)

    Leaf cells

*****************************************

TN 11th Standard Biology free Online practice tests

Reviews & Comments about 11th Standard Botany - Tissue and Tissue System English Medium Free Online Test One Mark Questions 2020 - 2021

Write your Comment