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Mycoplasma and Bacteria MCQ - Multiple Choice Question and Answer

Mycoplasma and Bacteria MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 15
Which of the following statement is correct ?

All bacteria are autotrophic
All bacteria are heterotrophic
All bacteria are photosynthetic
Most of the bacteria are heterotrophic but some are autotrophic

Question No : 16
A free living bacterium capable of fixing atmospheric nitrogen is

Staphylococcus
Streptococcus
Azotobacter
None of these

Question No : 17
Bacteria reproduce asexually by means of

fission
endospores
cyst
all of these

Question No : 18
The bacteria which do not bear flagella are termed as

atrichous
lophotrichous
amphitrichous
peritrichous

Question No : 19
Bactcrial cell-wall is composed of

chitin
mucopeptidc
lignin
suberin

Question No : 20
Citrus canker is a common disease of lemon and oranges. It is caused by

Bacillus subtilis
Rhizobiunt
E. coli
None of these

Question No : 21
Bacteria was first discovered by

Robert Koch
Louis Pasteur
A.V. Leeuwenhoeck
Robert Hooke