CSS Botany Past Paper 2015
Paper-I
PART-2(Subjective) 80 Marks
Attempt ONLY FOUR Questions from PART-II. (20×4)
PART-II
Q. No. 2 Explain the biological and economic importance of algae.
Q. No. 3 Give the symptoms and development of stem rust of wheat. Also, provide measures to control the disease.
Q. No. 4 Explain the characteristics of Bryophytes. Describe the life cycle of genus Pinus, including gametophyte and sporophyte generations.
Q. No. 6 What are Pteridophytes? Explain their characteristic features, habitat, and alternation of generations.
Q. No. 7 Explain the anatomy of the epidermis and cortex of roots in higher plants.
Q. No. 8 Write a comprehensive note on any TWO of the following:
(a) Chemotaxonomy
(b) Engler and Prantl System of Classification
(c) Differences in the vascular system of stems of monocot and dicot plants
Paper-II
PART-2(Subjective) 80 Marks
Attempt ONLY FOUR Questions from PART-II. (20×4)
PART-II
Q. No. 2 What is salinity? How does it affect plants? How can we deal with this problem?
Q. No. 3 Write a comprehensive note on the speciation process with examples.
Q. No. 4 What are transgenic plants? How are they produced? Give some examples of transgenic crops.
Q. No. 5 Describe the translation process during gene expression in detail with diagrams.
Q. No. 6 Write an essay on the main plant hormones and their role in plant growth and development.
Q. No. 7 Describe in detail the structure and function of biological membranes in a plant cell.
Q. No. 8 Write short notes on:
(a) Transpiration
(b) Vernalization