Biology MCQs

1496 MCQs  — Everyday Science MCQs  (Page 60 of 150)

Attempt Biology Quiz
Coccobacillus has a shape similar to________________?
A. Diplobacillus
B. Sarcina
C. Egg
D. None of these
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The first bacterium isolated was_________________?
A. Coccus
B. Bacillus
C. Vibrio
D. Spirochete
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Which of the following bacteria are thick rigid and spiral______________?
A. Vibrio
B. Spirillum
C. Spirochete
D. Coccus
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A group of 8 cocci is called______________?
A. Diplococci
B. Octococci
C. Tetrad
D. Sarcina
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Approximately _____ species of bacteria are known to cause diseases in humans.
A. 100
B. 200
C. 300
D. 400
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Cyanobacteria reproduce by____________?
A. Binary fission
B. Mitosis
C. Meiosis
D. Conjugation
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Which of the following help cyanobacteria to locomote?
A. Flagella
B. Gas vesicles
C. Both of these
D. None of these
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Cyanobacteria have ________ cell wall?
A. Gram +ve.
B. Gram – ve.
C. Acid fast
D. Cellulose rich
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Who developed the vaccine against anthrax?
A. Louis pasteur
B. Edward jennar
C. Leuvenhoek
D. Alexander fleming
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Chemical substances used on living tissues that inhibit the growth of micro organism are called___________?
A. Antiseptics
B. Disinfectants
C. Antibiotics
D. Vaccines
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Word of the Day
14 Jul
Obscenity
the state or quality of being obscene.
بےہودگی، فحاشی، بے شرمی

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