In TS of dicotyledonous stem the cells arranged in multiple layers between epidermis and Pericycle constitute the ___________.
(1) Cortex
(2) Pith
(3) Pericycle apparatus
(4) Medullary rays
Starch sheath layer in plant stem is also known as
(1) Epidermis
(2) Metadermis
(3) Endodermis
(4) Pith layer
In TS of dicot stem ________ is present on the inner side of the endodermis and above the phloem in the form of semilunar patches of sclerenchyma.
(1) Pericycle
(2) Casparian strip
(3) Pith
(4) Protoxylem
___________ arrangement of vascular bundle is a characteristic of dicot stem.
(1) Ring
(2) Radial
(3) Centric
(4) Peripheral
A large number of rounded, parenchymatous cells with large intracellular spaces which occupy the central position of stem constitute the __________.
(1) Lumen
(2) Pith
(3) Cortex
(4) Vascular bundle
Phloem parenchyma is absent in
(1) Dicot stem
(2) Monocot stem
(3) Vascular bundle
(4) Both A and B
In dicot leaves the ________ epidermis generally bears more stomata than the _________ epidermis.
(1) Abaxial, adaxial
(2) Adaxial, abaxial
(3) Axial, coaxial
(4) Coaxial, axial
The tissue between the upper and lower epidermis is called
(1) Chlorophyll
(2) Mesophyll
(3) Cambium
(4) Endodermis
Mesophyll in dicot leaves has two type of cell namely_________.
(1) Palisade parenchyma and spongy parenchyma
(2) Pith and Protoxylem
(3) Xylem and phloem
(4) Epidermis and endodermis
Vascular bundles are surrounded by a layer of thick walled ________.
1. Bundle sheath cells
2. Cuticle
3. Casparian strip
4. Waxy cell