12-botany-unit-II Plant Anatomy

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12-botany-unit-II Plant Anatomy

Prepared by Mr. D. Rajamani, M. Sc. ,M. Ed. , P. G. Asst Botany A. C. S Mat. Hr Sec. School, Arni. Tiruvannamalai Dist   ; &nbs p; & www. Padasalai. Net


Questions and Answers
  • 1. 
    The change from meristematic tissue to permanent tissue is called  
    • A. 

      Differentiation

    • B. 

      Self perpetuating

    • C. 

      photosynthesis

    • D. 

      Cell division.

  • 2. 
    The type of tissue presents in the petioles of banana and Canna,is  
    • A. 

      stellate parenchyma

    • B. 

      Prosenchyma

    • C. 

      Aerenchyma

    • D. 

      Chlorenchyma.

  • 3. 
    Which one do you like?
    • A. 

      Option 1

    • B. 

      Option 2

    • C. 

      Option 3

    • D. 

      Option 4

  • 4. 
    The tissue generally present in all organs of plant is  
    • A. 

      parenchyma

    • B. 

      Chlorenchyma

    • C. 

      collenchyma

    • D. 

      Sclerenchyma

  • 5. 
    The lamellar collenchyma is seen in the hypodermis of  
    • A. 

      Helianthus

    • B. 

      Datura

    • C. 

      Ipomoea

    • D. 

      Nicotiana

  • 6. 
    The root hairs are produced from  
    • A. 

      Trichoblasts

    • B. 

      Accessory cells

    • C. 

      Rhizodermis

    • D. 

      Trichomes

  • 7. 
    Bicollateral vascular bundles are seen in the members of  
    • A. 

      Cucurbitaceae

    • B. 

      Malvaceae

    • C. 

      Musaceae

    • D. 

      Solanaceae

  • 8. 
    The root hairs originate from  
    • A. 

      trichoblasts

    • B. 

      Endodermis

    • C. 

      Hypodermis

    • D. 

      Pericycle.

  • 9. 
    The casparian strips are found in the endodermis of  
    • A. 

      Dicot root

    • B. 

      Dicot stem

    • C. 

      Monocot stem

    • D. 

      Dicot leaf.

  • 10. 
    The osteosclereids are seen in  
    • A. 

      Seed coat of Pisum

    • B. 

      Seed coat of Crotalaria

    • C. 

      pulp of Pyrus

    • D. 

      Petioles of banana

  • 11. 
    The passage cells are found in endodermis of  
    • A. 

      Dicot root

    • B. 

      Dicot leaf.

    • C. 

      Dicot stem

    • D. 

      Monocot stem

  • 12. 
    The polyarch condition is found in  
    • A. 

      Monocot root

    • B. 

      Dicot stem

    • C. 

      Monocot leaf

    • D. 

      Dicot leaf

  • 13. 
    The vascular bundle with protoxylem facing centre of the stem is  
    • A. 

      Endarch

    • B. 

      exarch

    • C. 

      Tetrarch

    • D. 

      Polyarch

  • 14. 
    The inner most layer of the cortex is  
    • A. 

      Endodermis

    • B. 

      pericycle

    • C. 

      Epidermis

    • D. 

      hypodermis

  • 15. 
    The protoxylem lacuna is present in the vascular bundles of  
    • A. 

      Monocot stem

    • B. 

      Dicot stem

    • C. 

      dicot root

    • D. 

      Monocot root

  • 16. 
    Isobilateral leaf is present in  
    • A. 

      grass

    • B. 

      Cucurbita

    • C. 

      Sunflower

    • D. 

      bean

  • 17. 
    When the xylem and the phloem lie in the same radius, the vascular bundle is called  
    • A. 

      Conjoint

    • B. 

      Radial

    • C. 

      Open

    • D. 

      Closed.

  • 18. 
    The vascular bundles are skull shaped in  
    • A. 

      Monocot stem.

    • B. 

      Dicot stem

    • C. 

      Dicot root

    • D. 

      Monocot root

  • 19. 
    The vascular bundle in the leaf is  
    • A. 

      Collateral and closed.

    • B. 

      Collateral and open

    • C. 

      Bicollateral and open

    • D. 

      Collateral and exarch

  • 20. 
    The cells of the vascular cambial ring which are cut off towards the outer side get differentiated into
    • A. 

      Secondary phloem

    • B. 

      Primary phloem

    • C. 

      Primary xylem

    • D. 

      Secondary xylem

  • 21. 
    Vascular cambium is a 
    • A. 

      Lateral meristem

    • B. 

      Apical meristem

    • C. 

      Intercalary meristem

    • D. 

      Promeristem

  • 22. 
    The cambium which remains between the xylem and the phloem in the vascular bundles is called
    • A. 

      Fascicular cambim

    • B. 

      Interfacicular cambim

    • C. 

      Cork cambim

    • D. 

      Phellem

  • 23. 
    The protective layer developed during the secondary growth of the stem is called
    • A. 

      Periderm

    • B. 

      Epidermis

    • C. 

      Rhizodermis

    • D. 

      Phellogen