Prokaryotes
1 / 40
Spores external to vegetative cells are termed as
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Three planes are present in
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Permeability is greater in
4 / 40
Nitrification is performed by
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Capsule of bacteria is composed of
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Shape of a bacillus is
7 / 40
Flagella surround whole body in
8 / 40
Bacteria show several types of movements such as flexing, spinning, free swimming and creeping are called
9 / 40
Cholera is caused by the bacteria
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Flexibility is found in
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Two planes are present in
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Flagella are originated from
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The earliest undisputed evidence of life on earth dates at least from
14 / 40
xygen is needed for the respiration of
15 / 40
Number of major layers present in gram positive bacteria are
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Colour of stain of gram positive bacteria is
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Flagella are present on both poles in
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Plasmids are composed of
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Death rate becomes greater than reproduction rate during
20 / 40
Shape of a spirilla is
21 / 40
Nitrogen-fixing bacterium lives in the roots of such plants as Pea is
22 / 40
One of the first chemical to be used for disinfection
23 / 40
Prokaryotic cell lacks
24 / 40
Conjugation is facilitated by
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Bacteria of pneumonia are
26 / 40
Mesosomes are involved in
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Photoautotrophic anaerobe bacteria have bacteriochlorophyll and another pigment
28 / 40
Ancient bacteria are termed as
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The prokaryotes may have evolved from ancestors called
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Exposure to flame or destroy bacteria by burning called
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Nature of disinfectants is
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One flagellem is present in
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Gram positive bacterial peptidoglycan layer is
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Shape of bacterial DNA is
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True bacteria are termed as
36 / 40
When habitat conditions become harsh and nutrients are exhausted the development is initiated called
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Overall thickness is greater in
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Largest of bacteria are
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Smallest of bacteria are
40 / 40
Chromatin material of prokaryotic cell is present in
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