Chapter 6 kingdom Prokaryote
1.Who was the first observe microorganism
A.margulis
B.antony van leeuwenhoek
C.robert brown
D.Whittikar
correct answer is B
2.Bacteria are
A.prokaryotes
B.unicellular
C.a single D.N.A molecule coiled in a loop and not enclosed in nucleus
D.cell wall present
E.all are correct
correct answer is E
3.Extremely thin appendages during conjugation in bacteria
A.flagella
B.pilli
C.Celia
D.tentacles
correct answer is B
4.Who get their food from dead organic matter
A.Symbiotic
B.Parasitic
C.saprotrophic
D.autotrophic
correct answer is C
5.Characteristics invagination of cell-membrane into the cytoplasm in the form vesicles tubules or lamella
A.mesosomes
B.pilli
C.capsule
D.plasmid
correct answer is A
6.Cocci are
A.Rod shape
B.spherical
C.cork screw
D.all of above
correct answer is B
7.Long chain of cocci is
A.Sarcina
B.monococcus
C.tetrad
D.streptococcus
correct answer is D
8.Cholera is caused by which type of bacteria
A.Vibrio
B.cocci
C.bacilli
D.spirilla
correct answer is A
9.Which one is serve as a vector in genetic engineering
A.Mesosomes
B.Plasmid
C.capsule
D.nucleoid
correct answer B
10.If a tuft of flagella is present only at one pole of bacteria is called
A.Atrichous
B.monotrichous
C.lophotrichous
D.amphitrichius
correct answer is C
11.Some bacteria are killed in the present of oxygen is called
A.Facultative
B.obligate anaerobes
C.aerobes
D.None of above
correct answer is B
12.Inactive phase or phase of growth during which bacteria prepare themselve for division
A.decline phase
B.log phase
C.lag phase
D.Stationary
correct answer is C
13.Non-motile spores formed from certain vegetative cells during unfavourable condition in nostoc
A.Akinete
B.hormogonium
C.heterocyst
D.coenobium
correct answer is A
14.Photosynthetic bacteria liberate
A.CO2
B.O2
C.S
D.H2O
correct answer is C
15.Cynobacteria is
A.occur in colony
B.prokaryotes
C.unicellular
D.all are correct
correct answer is D
16.Bacteria generally reproduce asexual by a process called
A.Endospore
B.binnary fission
C.Akinete
D.Both a and b
correct answer is B
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