Chapter No 8 :Structure of Plant Parts (70 MCQ`S)

  1. Pith present in the center of ?
    1. Steel
    2. Endodermis
    3. Hydrodermis
    4. Exodermis
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  2. In monocot number of xylem or phloem bundles is ?
    1. 12 to 20
    2. 20 to 30
    3. 30 to 40
    4. 40 to 60
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  3. The strands of vascular tissues forming hollow cylinder is called ?
    1. Vascular bundles
    2. Vascular tissues
    3. Vascular layer
    4. All
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  4. Xylem is present towards the inner side and phloem is present towards the outerside of vascular bundle in ?
    1. Collateral
    2. Bicollateral
    3. Concentric bundels
    4. Amphicribral
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  5. In vasscular bundels phloem is present on both side of xylem ?
    1. Collateral
    2. Bicollateral
    3. Concentric bundels
    4. Amphicribral
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  6. The narrow peripheral functional part of the secondary xylem is called ?
    1. Sap wood
    2. Heart wood
    3. Soft wood
    4. Hard wood
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  7. The major central nonfunction part form the wood ?
    1. Sap wood
    2. Heart wood
    3. Soft wood
    4. Hard wood
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  8. When parenchyma cells migrate into the lumens of empty vessels and form the outgrowth is called ?
    1. Tylosis
    2. Steel
    3. Pith
    4. Body
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  9. When cambium is most active during the spring produces wide and loosely dispersed tracheal elements is called ?
    1. Sap wood
    2. Heart wood
    3. Spring wood
    4. Hard wood
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  10. The activity of cambium slows down during the autumn produces narrow and closely placed tracheal elements forms wood is ?
    1. Sap wood
    2. Heart wood
    3. Spring wood
    4. Autumn wood
    5. Show Answer
      Answer: D
      Explanation:
      • N/A

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