B.Sc. I (Semester Biotechnology (CBCS) Examination, 2018
ecology and Microbiology
Paper II Microbiology
Day and Date Wednesday, 31-10-2018 Max. Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions are compulsory.
Figures to the right indicate full marks.
Draw neat labeled diagrams wherever necessary.
1. Rewrite the sentences by choosing the correct alternative given below 14
microbes have ability to survive in extreme environmental habitat.
Viruses Archaebacteria
Rickettsia Mycoplasma
M-ring of flagellum present in
periplasmic space cell membrane
peptidoglycan layer lipopolysaccharide layer
Pilus is made up of
lipopolysaccharide carbohydrate
pilin fagellin
Parrot disease is caused by
Rickettsia Chlamydia
Mycoplasma Actinomycetes
Tobacco mosaic virus shows type of morphology.
complex enveloped
icosahedral helical
Bacterial ribosomes are of types.
80 S 70 S 60 S 40 S
microbes show characters similar to bacteria and viruses.
Actinomycetes Rickettsia
Archaebacteria Mycoplasma
Crystallization of viruses was invented by
Beijerinck Ivanovski
Loeffler Stanley
Cell wall of Gram negative bacteria contains of peptidoglycan.
90 60 30 10
10) Chlorophycophyta is also known as algae.
Brown Red Green Golden
11) 'Swan necked flask' was discovered by scientist
Louis Pasteur Robert Koch
Edward Jenner Joseph Lister
12) Chitin containing cell wall observed in
Viruses Bacteria Fungi Protozoa
13) Father of Medical Microbiology is
Pasteur Jenner Koch Hock
14) Algae are type of organisms.
Chemoautotroph Chemoheterotroph
Photoautotroph Photochemotroph
2. Answer any four of the following
Sewage
Protozoa
Bacterial Endospore
Geomicrobiology
Alexander Fleming.
Write short note on any two of the following
Arrangement of Flagella
Cell membrane
Mesosomes.
3. Answer any two of the following
Write in detail contribution of Louis Pasteur in the microbiology.
Explain in detail size, shape and arrangement of bacteria with example.
Explain difference between Prokaryotic cell and Eukaryotic cell.
Answer any one of the following
Write in details general characteristics, classification and cultivation of algae.
Describe in detail structure and function of bacterial ribosome.
4. Answer any two of the following
Explain difference between prokaryotic cell and eukaryotic cell.
Write in detail different branches of microbiology.
Write in detail contribution of Robert Hook and Winogradsky in the microbiology.
Answer any one of the following
Write in detail general characteristics of Mycoplasma.
Explain difference between capsule and slime layer.
5. Answer any two of the following
Describe in detail distribution, beneficial and harmful activities of Microbes.
Write an essay on structure and functions of bacterial cell wall.
Explain in detail general characteristics of Rickettsia.