Q.12:- Describe the internal structure of a dorsiventral leaf with the help of labeled diagrams.   Answer: Dorsiventral (Dicotyledonous) Leaf There are three main parts in the leaf lamina of a…

Q.11:- What is periderm? How does periderm formation take place in the dicot stems?   Answer: The meristematic tissue which develops to replace the worn out epidermis of dicot stem is…

Q.10:- How is the study of plant anatomy useful to us?   Answer: The study of plant anatomy helps us in understanding the internal structure of a plant. We learn to…

Q.9:- Name the three basic tissue systems in the flowering plants. Give the tissue names under each system.   Answer Tissue System Tissues present Epidermal tissue system Epidermis, trichomes, hairs, stomata…

Q.8:- What is stomatal apparatus? Explain the structure of stomata with a labeled diagram.   Answer: The minute pores present in the epidermis of leaves are called stomata. A stoma is…

Q.7:- Why are xylem and phloem called complex tissues?   Answer Xylem and phloem are known as complex tissues as they are made up of more than one type of cells….

Q.6:- 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…

Q.5:- Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem…

Q.4:- Draw illustrations to bring out anatomical difference between  (a) Monocot root and dicot root (b) Monocot stem and dicot stem   Answer (a) (b)

Q.3:- Explain the process of secondary growth in the stems of woody angiosperms with the help of schematic diagrams. What is its significance?   Answer: The cambial ring becomes active and…