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Question
Waxy coating on epidermis of young stem is called as:
Waxy coating on epidermis of young stem is called as:
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Solution
The correct option is D Cuticle
- A cuticle is the waxy layer present on the epidermis of a young stem, it generally prevents water loss by transpiration.
- Phellem (the cork) consists of cells that are dead at maturity and their primary walls become covered from the inside by the secondary wall which consists of parallel suberin lamellae alternating with wax layers.
- The periderm is the secondary protective (dermal) tissue that replaces the epidermis during growth in thickness of stems and roots of gymnosperms and dicotyledons.
- Suberin is a waterproofing waxy substance found in higher plants.
Thus, the correct answer is option D.
- A cuticle is the waxy layer present on the epidermis of a young stem, it generally prevents water loss by transpiration.
- Phellem (the cork) consists of cells that are dead at maturity and their primary walls become covered from the inside by the secondary wall which consists of parallel suberin lamellae alternating with wax layers.
- The periderm is the secondary protective (dermal) tissue that replaces the epidermis during growth in thickness of stems and roots of gymnosperms and dicotyledons.
- Suberin is a waterproofing waxy substance found in higher plants.
Thus, the correct answer is option D.
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