12-bio-botany-unit-II Plant Anatomy

18 Questions

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12-bio-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 & 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. 
    The tissue generally present in all organs of plant is
    • A. 

      Parenchyma

    • B. 

      Chlorenchyma

    • C. 

      Collenchyma

    • D. 

      Sclerenchyma

  • 4. 
    The lamellar collenchyma is seen in the hypodermis of
    • A. 

      Helianthus

    • B. 

      Datura

    • C. 

      Ipomoea

    • D. 

      Nicotiana

  • 5. 
    The root hairs are produced from
    • A. 

      Trichoblasts

    • B. 

      Rhizodermis

    • C. 

      Trichomes

    • D. 

      Accessory cells

  • 6. 
    The osteosclereids are seen in
    • A. 

      seed coat of Pisum

    • B. 

      Seed coat of Crotalaria

    • C. 

      Pulp of Pyrus

    • D. 

      Petioles of banana

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

      Cucurbitaceae

    • B. 

      Malvaceae

    • C. 

      Musaceae

    • D. 

      Solanaceae

  • 8. 
    The casparian strips are found in the endodermis of
    • A. 

      Dicot root

    • B. 

      Dicot stem

    • C. 

      Monocot stem

    • D. 

      Dicot leaf

  • 9. 
    The root hairs originate from
    • A. 

      Trichoblasts

    • B. 

      Endodermis

    • C. 

      Hypodermis

    • D. 

      Pericycle

  • 10. 
    The passage cells are found in endodermis of
    • A. 

      Dicot root

    • B. 

      Dicot stem

    • C. 

      Monocot stem

    • D. 

      Dicot leaf

  • 11. 
    The polyarch condition is found in
    • A. 

      Monocot root

    • B. 

      Monocot leaf

    • C. 

      Dicot leaf

    • D. 

      Dicot stem

  • 12. 
    The inner most layer of the cortex is
    • A. 

      Endodermis

    • B. 

      Epidermis

    • C. 

      Hypodermis

    • D. 

      Pericycle

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

      Endarch

    • B. 

      Exarch

    • C. 

      Tetrarch

    • D. 

      Polyarch

  • 14. 
    When the xylem and the phloem lie in the same radius, the vascular bundle is called
    • A. 

      Conjoint

    • B. 

      Radial

    • C. 

      Open

    • D. 

      Closed

  • 15. 
    The vascular bundles are skull shaped in
    • A. 

      Monocot stem

    • B. 

      Dicot root

    • C. 

      Monocot root

    • D. 

      Dicot stem

  • 16. 
    The protoxylem lacuna is present in the vascular bundles of
    • A. 

      Monocot stem

    • B. 

      Dicot root

    • C. 

      Monocot root

    • D. 

      Dicot stem

  • 17. 
    Isobilateral leaf is present in
    • A. 

      Grass

    • B. 

      Cucurbita

    • C. 

      Sunflower

    • D. 

      Bean

  • 18. 
    The vascular bundle in the leaf is
    • A. 

      Collateral and closed

    • B. 

      Collateral and open

    • C. 

      Bicollateral and open

    • D. 

      Collateral and exarch