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Question: Answered & Verified by Expert
In Bougainvillea and Citrus thorns are the modification of ......(i)...... and in cactus spines are a modification of .....(ii)......
BiologyMorphology of Flowering PlantsNEET
Options:
  • A
    (i) (ii)
    Adventitious root Stem
  • B
    (i) (ii)
    Stem Leaf
  • C
    (i) (ii)
    Leaf Stem
  • D
    (i) (ii)
    Stipules Flower
Solution:
1102 Upvotes Verified Answer
The correct answer is:
(i) (ii)
Stem Leaf
In Bougainvillea and citrus thorns is stem modification in which axillary bud of the stem is modified to form a protective structure called as a thorn. In cactus, leaves are modified to form spines to reduce the transpiration.

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