MEDIUM
Earn 100

Who discovered the existence of bacteria?

50% studentsanswered this correctly

Important Questions on Bacteria

EASY
Biology>Microbiology>Bacteria>Bacteriology
If you start a bacterial culture with 100 E. coli cells and allow the culture to grow for 2 hours, approximately what would be the total number of E. coli in the culture considering E.coli has a doubling time of 20 minutes.
EASY
Biology>Microbiology>Bacteria>Bacteriology

Read the following statements:

(a) Bacteria are simple in structure and complex in behavior.

(b) Bacteria show the most extensive metabolic diversity.

EASY
Biology>Microbiology>Bacteria>Bacteriology
Why bacteria do not survive in the salt pickle which has high salt contents
EASY
Biology>Microbiology>Bacteria>Bacteriology
Microbes are omnipresent and this means that these are present in:
EASY
Biology>Microbiology>Bacteria>Bacteriology
Bacteria differ from Archaebacteria as the former
MEDIUM
Biology>Microbiology>Bacteria>Bacteriology
The murein found in bacterial cell is
EASY
Biology>Microbiology>Bacteria>Bacteriology
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the:
EASY
Biology>Microbiology>Bacteria>Bacteriology
_____ is a branch of biology that deals with the study of bacteria.
EASY
Biology>Microbiology>Bacteria>Bacteriology
Bacteria reproduce mainly by
EASY
Biology>Microbiology>Bacteria>Bacteriology
Which of the following bacterium converts the sucrose into dextrin?
MEDIUM
Biology>Microbiology>Bacteria>Bacteriology
Read the following statements and select the correct option.
Statement 1: Almost all bacteria possess lipo-proteinaceous plasma membrane.
Statement 2: The plasma membrane of archaebacteria, as well as eubacteria, has the same type of lipids.
MEDIUM
Biology>Microbiology>Bacteria>Bacteriology

A culture medium contains 105 bacterial cells. If these bacteria divide every 35 minutes, then after 175 minutes, how many bacteria will be present in the culture medium?

MEDIUM
Biology>Microbiology>Bacteria>Bacteriology
Match the type of bacteria listed in column I with their activity given in column II. Choose the correct combination of alphabets of the two columns.
 
Column-I Column- II
 (A) Streptomyces  (1) Food Poisoning
 (B) Rhizobium  (2) Source of antibiotics
 (C) Nitrosomonas  (3) Nitrogen fixation
 (D) Acetobacter  (4) Nitrification
   (5) Vinegar synthesis
EASY
Biology>Microbiology>Bacteria>Bacteriology

Rickettsia are said to be the connecting link between

EASY
Biology>Microbiology>Bacteria>Bacteriology
Which one belongs to Monera?
EASY
Biology>Microbiology>Bacteria>Bacteriology
Rickettsiae constitute a group under
MEDIUM
Biology>Microbiology>Bacteria>Bacteriology
Rhodospirillum adopt photo _____mode of nutrition. (heterotrophic/autotrophic)
EASY
Biology>Microbiology>Bacteria>Bacteriology
Which among the following is/are correct about Escherichia coli?
MEDIUM
Biology>Microbiology>Bacteria>Bacteriology
Select incorrect statement.
MEDIUM
Biology>Microbiology>Bacteria>Bacteriology
Bacteria are grouped under four categories according to their shape. Study the given figures and select the correct option.
Question Image