Vascular bundles in dicot stem are
Important Questions on Morphology and Modifications
Which of the following are the characteristic features of phloem?
i) Gymnosperms have albuminous cells and sieve cells
ii) Presence of tracheids
iii) They store food materials in the form of starch or fat
iv) They have sieve tube elements that are long, tube-like structures
v) Their end walls are perforated in a sieve like manner
The correct combination is
Which of the following is an incorrect statement?
Match List - I with List - II.
| List-I | List-II | ||
| (a) | Cells with active cell division capacity | (i) | Vascular tissues |
| (b) | Tissue having all cells similar in structure and function | (ii) | Meristematic tissue |
| (c) | Tissue having different types of cells | (iii) | Sclereids |
| (d) | Dead cells with highly thickened walls and narrow lumen | (iv) | Simple tissue |
Select the correct answer from the options given below.
Given below are two statements:
Statement I: Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.
Statement II: Exarch condition is the most common feature of the root system.
In the light of the above statements, choose the correct answer from the options given below:
The cell wall of meristematic tissue consist of
The first formed meristematic region during embryonic stage develops into
