1
12 Marks150 Wordsmedium
Briefly describe the following in not more than 150 words each :
(a) Bipolar and Tetrapolar heterothallism in fungi
(b) Cytoplasmic hybrids
(c) Fungal Toxins
(d) Elaters
(e) Plant quarantines.
BotanyMicrobiology
2
15 Marksmedium
Somaclonal variations can be used for variety of crop development. How? Explain with suitable examples.
BotanyAgriculture
3
15 Marksmedium
Give an account of Ascus development in fungi with suitable examples.
BotanyMicrobiology
4
15 Marksmedium
Give an illustrated account of range of thallus structure in algae.
BotanyAlgae
5
15 Marksmedium
Describe the enzymatic method of isolation of protoplasts taking the example of Carrot.
BotanyPlant Physiology
6
4 Marksmedium
Draw well labelled diagrams of the following :
(a) L.S. of sporophyte of Riccia
(b) L.S. of sporophyte of Funaria
(c) L.S. of strobilus of Selaginella
(d) H.L.S. of Marsilea sporocarp.
BotanyBryophytesPteridophytes
7
12 Marksmedium
Differentiate between the following :
(a) Polarity and Symmetry
(b) Prions and Viroids
(c) Rust and Smut diseases
(d) Eusporangiate and Leptosporangiate ferns
(e) Downy mildews and Powdery mildews.
BotanyPlant Pathology
8
12 Marks150 Wordsmedium
Write the botanical names and the families to which the following plants belong :
(i) Flax
(ii) Guar
(iii) Date Palm
(iv) Cocaine
(v) Ginseng
(vi) Any timber plant
BotanyTaxonomy
9
12 Marksmedium
Give a brief account of Dwarf shoot in Pinus.
BotanyGymnosperms
10
12 Marksmedium
Differentiate between interxylary and intraxylary phloems.
BotanyPlant Anatomy
11
12 Marksmedium
Make a comparison of Androecium in Malvaceae, Asteraceae and Cucurbitaceae.
BotanyPlant Morphology
12
12 Marksmedium
Give a brief account of polyembryony in Angiosperms.
BotanyPlant Reproduction
13
15 Marksmedium
Compare the female strobili of Pinus and Ephedra.
BotanyGymnosperms
14
15 Marksmedium
Compare the development of typical monosporic, bisporic and tetrasporic embryo sacs.
BotanyPlant Reproduction
15
15 Marksmedium
Draw a labelled diagram of L.S. of Ovule of Cycas.
BotanyGymnosperms
16
15 Marksmedium
Why is Ginkgo biloba considered as a living fossil ? Explain.
BotanyPaleobotany
17
20 Markshard
Vavilov's theory indicates that "a region with the greatest genetic diversity is also the centre of origin of that particular species." This statement is no longer tenable. Explain with any two examples.
BotanyGeneticsAgriculture
18
20 Marksmedium
Draw a cross section of a typical anther and label the parts carefully.
BotanyPlant Reproduction
19
20 Markshard
"Gymnosperms were perhaps the immediate ancestors of angiosperms." Substantiate the statement, and also give reasons to disprove the statement.
BotanyEvolution
20
15 Marksmedium
"Embryology has also played an important role in Taxonomy of angiosperms." Elaborate the statement with the help of some examples.
BotanyTaxonomy
21
15 Marksmedium
Asteraceae is considered as one of the highly evolved families of angiosperms. Give an account of advanced characters in Asteraceae.
BotanyTaxonomy
22
15 Marksmedium
Ethnobotany has provided important clues to discovery of modern drugs. Give an account of Ethnobotany taking some suitable examples.
BotanyPharmacology
23
15 Marksmedium
Compare and contrast the floral characters of the three sub-families of Leguminosae.
BotanyTaxonomy