M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Botany
BIOLOGY AND DIVERSITY OF FUNGI, BACTERIA, VIRUSES AND
LICHENS
Day Date: Thursday, 16-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: 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 Rewrite the following sentence by choosing correct answer:- 14
The diseases which commonly occur widely but periodically are termed as

sporadic endemic
epidemic both A B.
The bacteria are means them devoid of flagella or non-motile.
Atrichous Amphitrichous
Polar Non polar
Viruses are highly resistant to
Acid Alcohol
X-ray All of the above
Bacteriophages are parasites of bacteria.
Viral Bacterial
Fungal Both B& C
According to Berry's manual bacteria belongs to
Actinomycetes Basidiomycetes
Deuteromycetes Schizomycetes
The TMV in crystalline state from the sap of infected tobacco plant was
studied by
Twort Stanley
Hershey Herilly
In bacterial cells is absent.
Hemicellulose Cellulose
Protein Both a b
Aplanospores are also called as
Sporangiospores Oospores
Zoospores Chlamydospores
Lactobacillus bacteria are
Trichous Atrichous
both A B None of the above
Page 2 of 2
SLR-MD-123
10) Mutualism of and algae forming lichen thallus.
fungi, bacteria viruses
fungi bacteriophages
11) When cells form cubical masses of cocci is of bacteria.
Sarcina Staphylococcus
Diplococcus Vibrio
12) Cell wall of bacteria composed of NAG, NAM and peptide chain of
amino acids.
3-4 4-5
5-6 5-12
13) Usnea is lichen.
crustose foliose
fruticose both a& b
14) Myxomycophyta are
golden-brown algae yellow-green algae
slime molds diatoms
Q.2 Write about: 14
General characters of viruses and its chemical nature.
Fructification and spore forming structure in fungi.
Q.3 Discuss biology and economic importance of lichens. 07
Give an account on Eubacteria with suitable example. 07
Q.4 Explain: 14
Size of bacteria with special reference to bacilli and its types.
Importance of fungi in industry and medicines.
Q.5 Write short notes on: 10
Cytoplasm and its inclusion in bacteria.
Classification of plant viruses
Flagella in bacteria with illustration of its types. 04
Q.6 Write short notes on: 10
Basidiomycotina
Types of lichens, based on morphological character.
Write in short cylindrical symmetry (Helical) viruses with example. 04
Q.7 Write short notes on: 10
Nutrition in fungi and note on reproduction.
Replication and transmission in viruses.
Write in short on ultra structure bacteria. 04