Heartwood differs from sapwood in
Heartwood differs from sapwood in
- A
presence of rays and fibers
- B
absence of vessels and parenchyma
- C
having dead and non-conducting elements
- D
being susceptible to pests and pathogens
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Besides phellem, phellogen, root periderm comprises of
Besides phellem, phellogen, root periderm comprises of
Explain the process of secondary growth in stems of woody angiosperm with help of schematic diagrams. What is the significance?
Explain the process of secondary growth in stems of woody angiosperm with help of schematic diagrams. What is the significance?
$I.$ Protection of internal tissues
$II.$ Protection of leaves from microbes
$III.$ Gaseous exchange
$IV.$ Reduction in the rate of transpiration through epidermal cells due to trichomes
Which of the function of epidermis is/are relevant from the above given statements?
$I.$ Protection of internal tissues
$II.$ Protection of leaves from microbes
$III.$ Gaseous exchange
$IV.$ Reduction in the rate of transpiration through epidermal cells due to trichomes
Which of the function of epidermis is/are relevant from the above given statements?
What is meant by secondary growth ? Which are its type ?
What is meant by secondary growth ? Which are its type ?
Early wood is formed in dicot plant during
Early wood is formed in dicot plant during