Anatomy of Flowering PlantsMedium
Question
Given below are two statements:
Statement I : Parenchyma is living but collenchyma is dead tissue.
Statement II: Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.
In the light of the above statements, choose the correct answer from the options given below:
Options
A.Statement I is true but Statement II is false
B.Statement I is false but Statement II is true
C.Both Statement I and Statement II are true
D.Both Statement I and Statement II are false
Solution
Sol. [Key Concept: Living tissues and xylem vessels]
Statement I is false because both parenchyma and collenchyma are living tissues. Statement II is accepted as true in the NCERT general comparison: vessels are characteristic of angiosperm xylem and are generally absent from gymnosperms. Vessel bearing gymnosperms such as Gnetum are exceptions to this broad statement. Hence, option (2).
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