Page 3 - Assignment-Anatomy of flowering plants
P. 3
C. Short Answer Questions-II (2 marks each)
11. Why is cambium considered to be lateral meristem?
12. Give any four differences between tracheids and vessels.
13. How are open vascular bundles differ from closed vascular bundles?
14. What are trichomes ? State their functions.
15. Given below are the various types of tissue and their functions. Which out
of these is not a matching pair and why :
(a) Collenchyma : provides mechanical support to the growing parts of plant.
(b) Sclerenchyma : photosynthesis, storage and secretion.
(c) Chlorenchyma : perform the function of photosynthesis.
(d) Xylem: conduction of water and minerals.
D. Short Answer Questions-I (3 marks each)
16. If you are provided with microscopic preparation of transverse section of a
meristemic tissue and permanent tissue, how would you distinguish them ?
17. Differentiate between arenchyma and collenchyma on the basis of their structure
and function.
18. Are there any tissue elements of phloem which are comparable to those of xylem?
Explain.
19. Palm is a monocotyledonous plant, yet it increases in girth. How is it possible?
20. Observe the figure and answer the following questions:
(i) Name parts (a) and (b).
(ii) Are these types of stomata observed in monocot or in dicot plants?
(iii) Which parts of stomata constitute the stomatal apparatus?
E. Long Answer Questions (5 marks each)
. 21. (i) What are meristems ?
(ii) Name the various kinds of meristems in plants.
(iii) State the location and function of meristems.