Protoxylem is the first-formed xylem. If the protoxylem lies next to phloem what kind of arrangement of xylem would you call it?
Protoxylem refers to the xylem which is formed first.
If the protoxylem lies next to phloem then the arrangement is called Exarch.
Draw illustrations to bring out anatomical difference between:
(a) Monocot root and dicot root
(b) Monocot stem and dicot stem
The transverse section of a plant material shows the following anatomical features:
(a) the vascular bundles are conjoint, scattered and surrounded by a sclerenchymatous bundle sheaths.
(b) phloem parenchyma is absent. What will you identify it as?
Why are xylem and phloem called complex tissues?
What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.
Name the three basic tissue systems in the flowering plants. Give the tissue names under each system.
How is the study of plant anatomy useful to us?
What is periderm? How does periderm formation take place in the dicot stems?
Describe the internal structure of a dorsiventral leaf with the help of labelled diagrams.
Mock Test Series
