M.Sc. (Botany) (Semester (CBCS) Examination, 2017
BIOLOGY AND DIVERSITY OF FUNGI, BACTERIA, VIRUSES AND LICHENS
Day Date: Tuesday, 18-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
N.B. Q.1 is compulsory.
Attempt any two questions from Q. 3 and 4.
Attempt any two questions from Q. 6 and 7.
Figures to the right indicate full marks.
Draw neat and labeled diagram wherever necessary.
Q.1 Choose correct alternatives: 10
The bacteria are they have flagella or motile.
artichous trichous polar non polar
Viral parasites of bacteria are known as
phytoplasma vibrio bacteria
bacteriophages plasmids
first time discovered mycoplasma as a disease incitant in
animals.
Leeuwenhoek Mehta
Nocard Roux Ainsworth
The Tobacco Mosaic Virus in crystalline state from the sap of infected
tobacco plant was studied by
Hershey Herelly Twort Stanley
Myxomycophyta are
Slime molds Diatoms
Brown algae Green algae
Usnea is
crustose foliose fruticose both b c
The diseases which commonly occurs widely but periodically is termed
as
sporadic endemic epidemic both a b
The Viruses possess enclosed within protein coat.
DNA or RNA DNA and RNA DNA RNA
In bacterial cells present.
Hemicellulose Cellulose Protein Mitochondria
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SLR-RE 141
10) According to Berry's manual bacteria belongs to class
Actinomycetes Deuteromycetes
Schizomycetes Basidiomycetes
11) Mutualism of algae forming lichen thallus.
Fungi, bacteria Viruses Fungi bacteriophages
12) Aplanospores are also called as
Chlamydospores Oospores
Sporangiospores Zoospores
13) In bacteria endoplasmic reticulum and Golgi complex absent but
is present.
ribosomes mitochondria chromosome plastids
14) When cells form cubical masses of cocci is of bacteria.
spirilla sarcina staphylococcus vibrio
Q.2 Write about: 14
General characters of bacteria and its nutrition.
What is flagella and pili, illustrate with its type.
Q.3 Write on lichens with its type and economic importance.
Write on Complex symmetry of viruses and its structural
variations.
07
07
Q.4 Explain: 14
Size of bacteria with special reference to spiral/helical and its
types.
Fungi as bio control agents and note on mycorrhizae.
Q.5 Write short notes on: 10
Nutrition and reproduction in bacteria
Classification of plant viruses
Write in detail flagella and pili in bacteria. 04
Q.6 Write short notes on: 10
Recent trends in Classification of fungi
Types of lichens, based on morphological characters
Distribution, biology and any five importance of lichens 04
Q.7 Write short notes on: 10
Ultrastructure and composition of cell wall of fungi
Replication and transmission in viruses.
Write in short on ultrastructure and size of bacteria. 04