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Quiz 7
Mdcat-past-papers - ETEA - Biology Quiz
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Board: ETEA | Subject: Biology |
121. The cell wall of bacteria is made up of:
Chitin
Cellulose
Peptidoglycan
Pectin
122. The cells of non-virulent strain of streptococcus pneumoniae are:
Capsulated and called S-Type
Non-capsulated and S-Type
Capsulated and called R-Type
Non-capsulated and R-Type
123. A bacterium with single polar flagellum is:
Amphitrichous
Atrichous
Lophotrichous
Monotrichous
124. Endospore formation is:
A reproductive process
Can be reproductive or vegetative depending on the conditions
Is related to invading host cells
A vegetative process
125. E.coli is a _ bacteria.
facultative
anaerobic
Gram negative
All are features of E.coli
126. In which phase of bacterial growth, They divide at exponential rate:
Lag phase
Log phase
Stationary phase
Decline phase
127. Antibiotics that kills microbes immediately are called :
Microbiostatic
Microbicidal
Biostatic
Chemotheropeutic
128. Nitrifying bacteria are the examples of:
Heterotrophic bacteria
Chemosynthetic bacteria
Saprophytic bacteria
Parasitic bacteria
129. Which of the following are the genetically engineered bacteria that are used to make growth hormone and insulin for diabetics?
Pneumococcus
E.coli
Rhizobium
Nostoc
130. ........ is used in the production of human insulin?
Bacteria
Protozoa
Fungi
Virus
131. What is main role of bacteria?
Carbon cycle
Phosphorous cycle
Nitrogen cycle
All of the above
132. Freeing of an object from all living organisms,bacteria and their spores,fungi etc is called :
Sterilization
Disinfection
Decolamination
Immunization
133. Which of the following helps in developing immunity against germs?
Radiotherapy
Chemotherapy
Vaccination
Antibiotics
134. The cavity between body wall and alimentary canal is:
Coelom
Mesoderm
Endoderm
Mesoglea
135. In radial symmetry all the body parts are arranged along the central axis. Radial symmetry represents ___ mode of life:
Sessile
Streamlined
Active
Parasitic
136. All animals begin life as a:
Multicellular fertilized egg
Single fertilized egg
Hollow blastula
Gastrula
137. The body of diploblastic organisms lack which layer?
endoderm
ectoderm
mesoderm
mesenchyme
138. Fasciola is endoparasite of:
Colon
Liver
Small intestine
Bile duct
139. Trypanosoma is transmitted in human beings by:
Plasmodium
Anopheles
House fly
Tsetse fly
140. Which one of following is primary host of liver fluke:
Man
Sheep
Snail
Dog
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