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Biology Class 11 Chapter 6
Kingdom Procaryotae Monera
Test 13
1.
Who discovered bacteria that caused tuberculosis and cholera?
a) Edwerd Jennar
b) Robet Koch
c) Leeuwenhook
d) Louis Pasteur
2.
Postulates of germ theory were?
a) 2
b) 3
c) 4
d) 1
3.
A specific organism can always be found in association with a given?
a) Parasite
b) Disease
c) Environment
d) Host
4.
The organism can be______ and grown in pure culture in laboratory?
a) Born
b) Isolated
c) Destroyed
d) Re-generate
5.
Bacteria are _______ in their occurrence?
a) Widespread
b) Restrained
c) Limited
d) Restricted
6.
Some bacteria are always present and contribute towards the natural____?
a) Fauna
b) Viruses
c) Minerals
d) Flora
7.
Bacteria can live in?
a) Alkaline solid
b) ot springs
c) Acidic soil
d) All of these
8.
Specific structures of the cell component of bacteria?
a) Cytoplasm
b) Cell membrane
c) Ribosome
d) Capsule
9.
Bacteria range in size ?
a) 0.1-100 mili-meter
b) 0.1-600 micro-meter
c) 0.1-1000 mico-meter
d) 0.1-6000 mili-meter
10.
Mycoplasma are about?
a) 1-200 mm
b) 1-20 nm
c) 10-200 nm
d) 100-200 nm
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