Class 9 Exam > Class 9 Questions > What is pericycle,protoxylem and metaxylem
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What is pericycle,protoxylem and metaxylem
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What is pericycle,protoxylem and metaxylem
Pericycle is a layer of nonvascular tissue (parenchyma or sclerenchyma) that surrounds the vascular tissues in the roots of plants and is surrounded by the endodermis. New lateral roots grow from the pericycle.
Protoxylem
1. It is the first formed primary xylem
Metaxylem
Protoxylem
1. It is the first formed primary xylem
2. It matures much before the plant organs has completed their elongation.
3. It is smaller in diameter or smaller lumen.
4. No tylosis* formation
5. Annular and spiral thickening
Metaxylem
1. It is the later formed primary xylem
2. It matures after the plant organs has completed their elongation.
3. It is larger in diameter or large lumen compared to protoxylem.
4. Tylosis formation is very common
5. Pitted thickening
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What is pericycle,protoxylem and metaxylem for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about What is pericycle,protoxylem and metaxylem covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is pericycle,protoxylem and metaxylem.
What is pericycle,protoxylem and metaxylem for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about What is pericycle,protoxylem and metaxylem covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is pericycle,protoxylem and metaxylem.
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