2019
(December)
BOTANY
(Generic Effective)
Paper: GE-1
(Biodiversity [Microbe, Algae, Fungi and Archegoniate])
Full Marks: 53
Pass Marks: 21
Time: 3 hours
The figures in the margin indicate full marks for the questions
1. (a) Choose the correct answer of the following: 1x3=3
1) Bacteria do not contain ribosome/true nucleus/cytoplasm.
2) Fucoxanthin is the characteristic pigment of Rhodophyceae/Phaeophyceae/Chlorophyceae.
3) In fungi, absorbing organ is hyphae/spore/haustorium.
(b) Fill in the blanks: 1x2=2
1) The vallecular canal is found in _________ stem.
2) Pollination in gymnosperms takes place by means of _________.
(c) Write in brief on the following (any three): 3x3=9
1) General characteristics of bacteria.
2) Economic importance of algae in agriculture.
3) VAM.
4) Types of lichen.
2. Describe the sexual reproduction of Chlamydomonas with diagram. 2+5=7
3. Describe with diagram the sporophyte of Marchantia. 2+5=7
4. Describe the life history of Penicillium. 9
Or
Write in brief on the following:
a) Crozier formation in Ascomycetous fungi. 5
b) Uredospore and teleutospore of Puccinia. 4
5. Write explanatory notes of either [ (a) and (b)] or [(c) and (d)] of the following: 4x2=8
a) Rhizophore of Selaginella.
b) Megasporophyll of Cycas.
c) Male cone of Pinus.
d) Strobilus of Equisetum.
6. Write short notes on (any two): 4x2=8
a) Characteristic feature of viruses.
b) Structure of bacteriophage.
c) Industrial importance of bacteria.
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