1. Write short notes on the following:
i) Plasmodesmata
ii) Plastochron
iii) Statolith
iv) Velamen
v) Mycorrhiza
vi) Phylloclade
vii) Dendroclimatology
viii) Tylosis
ix) Cystolith
x) Resurrection plants
2. a) Enlist main characteristics of meristematic tissues.
b) Classify meristems into different types on the basis of the plane of division and function in the plant body.
3. Describe in brief the shoot and root apical organization according to Histogen theory.
4. a) Enlist anatomical characteristics that distinguish a primary root of a seed plant.
b) With the help of a well labeled diagram compare the internal tissue organization of a primary dicotyledonous and monocotyledonous root.
5. a) With the help of well labeled diagram describe the structure of a stomata.
b) Describe the functions of stomata. Classify the stomata on the basis of ontogeny and morphology.
6. What are Trichomes? Describe different types of Trichomes and their role in defense of plants.
7. With the help of well labeled diagram describe the ABC Model of Flower Organization.
8. What is Apomixis? Describe the sporophytic and gametophytic apoxixis.
1. Write short notes on the following:
i) Dendrochronology
ii) Statocytes/Statocysts
iii) Microsporogenesis
iv) Histogenesis
v) Stomatal index
2. Explain the different theories of root apical organization.
3. Describe three main types of endosperms recognized in angiosperms on the basis of their mode of development. Support your answer with the help of well labelled diagram showing the different stages of the development of endosperm in each types.
4. Describe any three types of specialized epidermal cells with the help of a well labelled diagram.
5. Differentiate between the following:
i) Dicot root and Monocot root
ii) Glandular and Non-glandular trichomes
iii) Amoeboid and Secretory tapetum
iv) Dicotyledonous and Monocotyledonous embryo
v) Calyx and Corolla
6. Describe the structure of embryo sac with the help of a well labelled diagram.
7. Compare the structures of primary and secondary root.
8. Enlist the categories of xerophytes. Describe the morphological and anatomical adaptations found in xerophytes.
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