Anatomy and Morphology of Plants
Secondary growth generally occurs in
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Single Choice
What is the fate of primary xylem in a dicot root showing extensive secondary growth?
AIt is retained in the centre of the axis
Correct Answer
BIt gets crushed
CMay or may not get crushed
DIt gets surrounded by primary phloem
Solution
During the secondary growth of the dicot root:
1. The cells of cambium strips produced towards inner side differentiate into secondary xylem elements and those produced towards outside differentiate into secondary pholem.
2. The primary remains its original position in the center of the axis but the primary phloem is pushed towards outer side and crushed.
So, the correct answer is 'It is retained in the center of the axis'.
SIMILAR QUESTIONS
Anatomy and Morphology of Plants
During secondary growth in a dicot root, cork cambium is formed by the activity of
Anatomy and Morphology of Plants
Which one of the following is not correct?
Anatomy and Morphology of Plants
What is the fate of primary xylem in a dicot root showing extensive secondary growth?
Anatomy and Morphology of Plants
Annual rings are formed basically due to ________________.
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