Questions and Answers
What is the main function of the vascular cambium in conifer stems?
Producing new xylem and phloem cells for secondary growth
What is the main function of phloem in a conifer stem?
Transporting sugars and other organic compounds throughout the plant
Which of the following is NOT a characteristic of xylem production in conifer stems?
Large amount of xylem vessels
What is the significance of annual growth rings in conifer stems?
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What type of plant group does a conifer belong to?
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What is located between the xylem and phloem tissues in conifer stems?
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What contributes to the formation of wood in conifer stems?
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Which type of wood is present in the secondary xylem of conifers?
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What is the composition of the vascular cambium in conifer stems?
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Where are resin canals present in conifer stems?
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What happens to the primary phloem in the presence of secondary phloem in conifer stems?
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What type of tracheary elements are present in the secondary xylem of most gymnosperms?
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What connects the pith with the cortex in conifer stems?
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What is present beneath the secondary xylem in conifer stems?
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What is the central part of the stem filled with in conifers?
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What type of wood is formed by the secondary xylem in conifers?
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What characterizes the primary xylem in a woody dicot with regards to the pith?
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What is the composition of the secondary phloem in a woody dicot?
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What happens to the protophloem in a woody dicot?
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What characterizes the periderm if present in a woody dicot?
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What contributes to the formation of annual rings in the cross-section of a tree trunk or stem?
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What is the composition of the secondary xylem in a woody dicot?
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What is the main function of the heartwood?
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What is the main function of the sapwood?
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What contributes to the formation of wider annual rings in trees?
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Which factor affects the width and characteristics of annual rings in trees?
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What determines the age of a tree?
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Which part of the tree trunk has a higher susceptibility to decay and insect infestation?
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What is responsible for the transportation of water, minerals, and nutrients within the tree?
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Which part of the tree trunk contains substances that make it more resistant to decay, insects, and fungal attacks?
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What type of conditions promote wider annual rings in trees?
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Which part of the tree trunk has a higher moisture content compared to heartwood?
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