Page 4 - Assignment-Morphology of flowering plants

D. Short Answer Questions-I (3 marks each)

16. ‘Potato is a stem and sweet potato is a root.’ Justify the statement on the
basis of external features.
17. Draw the structure of monocotyledonous seed and label the following parts in it.
Aleurone layer, Endosperm, Coleoptile, Coleorhiza, Plumule, Radicle.
18. Define aestivation. Which type of aestivation is found in China rose, Calotropis,
Gulmohar and pea.
19. Explain the different types of phyllotaxy. Give one example of each type.
20. Differentiate between :
(a) Actinomorphic flower and Zygomorphic flower
(b) Apocarpous ovary and Syncarpous ovary
(c) Racemose inflorescence and Cymose inflorescene

E. Long Answer Questions (5 marks each)

. 21. Describe various stem modifications associated with food storage, climbing
and protection.
22. Give the distinguishing morphological features of gynoecium of family
Fabaceace, Solanaceae and Liliaceae. Draw floral diagrams of Fabaceae and
Solanaceae.