CSS Botany Past Paper 2011
Paper-I
PART-2(Subjective) 80 Marks
Attempt ONLY FOUR Questions from PART-II. (20×4)
PART-II
Q. No. 2 Briefly describe the life cycle of Bryophytes.
Q. No. 3 Write detailed notes on the different stages of mitosis. Draw diagrams.
Q. No. 4 Write down the salient features of the family Rosaceae and its economic importance.
Q. No. 5 Give a detailed note on the life cycle of Angiosperms up to the development of seed.
Q. No. 6 Define tissue. What are meristematic tissues and also classify them on different bases?
Q. No. 7 What are lichens? How are lichens beneficial for the universe?
Q. No. 8 Write the characteristic features of Gymnosperms. How do they differ from Angiosperms and Pteridophytes?
Paper-II
PART-2(Subjective) 80 Marks
Attempt ONLY FOUR Questions from PART-II. (20×4)
PART-II
Q. No. 2 What is dormancy? Enlist different methods to break dormancy?
Q. No. 3 Write down short notes on:
(a) Food chain
(b) Vernalization
(c) Adaptive mutations
Q. No. 4 Give the biosynthesis and mode of action of Abscissic acid.
Q. No. 5 Define linkage. Explain the phenomenon of coupling and repulsion with reference to linkage. Give an example.
Q. No. 6 What do you mean by evolution? How would you explain Lamarckism?
Q. No. 7 Define mitosis and enlist its different stages?
Q. No. 8 Write short notes on ANY TWO of the following:
(a) What is water logging? Give its causes and reclamation?
(b) What is transpiration and also give its various types?
(c) Elaborate the mechanism of stomatal movement?