In aquatic plants a type of parenchyma called 'aerenchyma' is present which performs a special function of?
Important Questions on Anatomy of Flowering Plants
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
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.
Which of the following is an incorrect statement?
Which of the following is / are correct statement?
(a) The parenchyma perform various function like photosynthesis, storage, secretion
(b) Cells of collenchyma are much thickened at the corner due to a deposition of cellulose, hemicellulose & pectin.
(c) Cells of sclerenchýma are usually dead and without protoplasts.
(d) Parenchyma, collenchyma & sclerenchyma are simple permanent tissues.
(e) The cells of mass meristem divide in almost all the planes.
