IFS Botany Papers 2005
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IFS Botany 2005
Paper-I
Section A
- Answer any four of the following (Answer should not exceed 150 words in each case) : (4 × 10 = 40)
- Differentiate between the following (Give examples and diagrams wherever necessary)
- Zoospore and compound zoospore.
- Obligate and facultative parasites.
- Ascospore and auxospore.
- Archegonium and carpogonium.
- Write short notes on:
- Heterocyst in blue green algae
- Interferon.
- Plurilocular sporangia in Ectocarpus.
- Heteromorphic life cycle in Phaeophyceae (Give a diagrammatic sketch) .
- Write short notes on:
- Thallus of Penicillium.
- Thallus structure of Saprolegnia.
- Alternation of generations in slime molds (Pictorial presentation of life cycle)
- Cleistothecium in Erysiphe.
- Answer the following:
- Gametophytic phase in Laminaria.
- Municipal waste treatment by anaerobic and aerobic microorganisms.
- L S of sporocarp of Marsilea (Labelled diagram only)
- Cultivation of edible mushroom (Volvariella sps.) steps leading to sprouting of basidiocarp.
- Write notes on
- Control of viral diseases of plants.
- Economic importance of Diatomaceous earth.
- T S of Equisetum stem (Diagram only) .
- Nucule of Chara.
- Differentiate between the following (Give examples and diagrams wherever necessary)
- Answer the following questions
- With the help of labelled diagrams only, show the evolutionary trend in the steles of Pteridophyta (20) .
- Write an account of the importance of bacteria in soil fertility (20) .
- Answer the following questions
- Discuss the morphological nature of the rhizophore of Selaginella. Draw a neat labelled diagram of T S of rhizophore.
- With-the help of diagrams, describe the structure of Marchantia antheridiophore (20) .
- Draw neat labelled diagrams of the following: (4 × 10 = 40)
- Anatomy of Equisetum cone.
- Cross-section of the gametophytic thallus of Riccia.
- Life cycle of Ectocarpus (Pictorial presentation only) .
- Structure of prothallus of Adiantum.
Section B
- Answer any four of the following. The answer should not exceed 150 words in each case: (4 × 10 = 40)
- Mention the important work done by the following botanists:
- Prof. S. R. Kashyap
- Prof. F. E. Fritsch
- Prof. P. Maheshwari
- Prof. Birbal Sahni.
- Give F. F. And F. D. Of the following families:
- Euphorbiaceae
- Asteraceae (Compositae)
- Liliaceae
- Rubiaceae.
- Write short notes on
- Preservation of plant specimens.
- Functions of endosperm.
- Experimental induction of polyembryony.
- Causes and significance of apomixis.
- Draw labelled diagrams of the following:
- L S Pinus female cone.
- Stem anatomy of Gnetum.
- T S normal root of Cycas.
- T S young root of Ginkgo biloba.
- Answer the following
- Draw a neat labelled diagram of a typical organised embryo sac.
- T S of Ephedra leaf.
- Application of protoplast culture.
- Economic importance of plants belonging to family Umbelliferae.
- Mention the important work done by the following botanists:
- Describe the type of anomalous secondary growth found in the stems of the following (Draw neat labelled diagrams) :
- Aristolochia (10)
- Bignonia (10)
- Boerhaavia (10)
- Dracaena (10)
- Answer the following:
- Discuss the scope of Palynology (10) .
- Explain Tunic a-corpus theory relating to structural development and differentiation of shoot apex (10) .
- Draw a diagram of T S of leaf of Typha (10) .
- Write an account of drug yielding plants (10) .
- Answer the following questions
- Describe the principles governing the construction of mechanical system in plants.
- Give the botanical name, family and plant parts used in the following:
- Henna
- Penicillin
- Ginger
- Chestnut
- Indian bow string hemp
- Camphor
- Clove oil
- Sassafras
- Mulberry
- Date Palm (20 × 2 = 40) .
Paper-II
Section A
- Write short notes on any four of the following in about 150 words each (5 × 10 = 50)
- Nucleosome
- Male sterility
- Chi-square test
- Trisomics
- One-gene, one-enzyme concept
- Answer the following questions
- Explain the various methods of transfer of genes (20) .
- What is recombinant DNA technology? How is it employed in genetic engineering (20) ?
- Answer the following questions
- With suitable classical experiments on sex-linked inheritance, prove that genes are carried on the chromosomes (30) .
- How is sex determined in plants (10) ?
- Answer the following questions
- Explain the regulatory mechanism of gene action in microbes (20) .
- What is genetic code? Explain the mechanism of genetic code in the transfer of information from DNA to amino acids (20) .
Section B
- Write short notes on any four of the following in about 150 words each: (5 × 10 = 50)
- CAM Pathway
- Phytochrome
- Gibberellins
- Bioindicators
- Red Data Books
- Answer the following questions
- Describe the morphological and biochemical changes accompanying seed germination (20) .
- Explain the molecular basis of fruit ripening and show how fruit ripening is manipulated (20) .
- Answer the following questions
- Explain the physiology of nitrogen metabolism (20) .
- Explain the mechanism of photorespiration in plants (20) .
- Answer the following questions
- Explain the characteristics of various forest types of India (30) .
- Explain forests as renewable resources (10) .