Anatomically fairly old root is distinguished from dicotyledonous stem by
1. Position of Protoxylem
2. Absence of secondary xylem
3. Absence of secondary phloem
4. Presence of cortex
During the formation of leaves and elongation of stem, some cells left behind from shoot apical meristem constitute _____________
1. Axillary bud
2. Lateral bud
3. Apical bud
4. Protoderm
. Permanent plant tissue having all cells similar in structure and function are called
(1) Simple tissue
(2) Complex tissue
(3) Meristematic tissue
(4) Fascicular tissue
Permanent plant tissue having many different type of cells are called
1. Apical differentiating tissue
2. Simple apical tissue
3. Complex tissue
4. Meristematic tissue
Parenchymal cells have ________ walls and are made up of _____________.
(1) Thick, cellulose
(2) Thin, cellulose
(3) Thick, hemicellulose
(4) Thin, hemicellulose
Lignified cell wall is characteristic feature of
(1) Parenchyma
(2) Collenchyma
(3) Sclerenchyma
(4) None
_________ are commonly found in the fruit walls of nut.
1. | Parenchyma | 2. | Collenchyma |
3. | Sclerenchyma | 4. | Complex tissue |
Complex tissue in plants have
1. Xylem
2. Sclerenchyma
3. Phloem
4. Both 1 and 3
Tracheids, vessels, xylem fibres and xylem parenchyma are components of
(1) Simple tissue
(2) Xylem
(3) Sclereids
(4) Pith
Dead cell without protoplasm is ___________.
(1) Sclerenchyma
(2) Tracheids
(3) Parenchyma
(4) Both A and B