EASY
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The principal microorganism/s for yogurt is/are:

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Important Questions on Bacteria

MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Thiobacillus is a group of bacteria helpful in carrying out:
EASY
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Good soil is
EASY
Biology>Microbiology>Bacteria>Economic Importance of Bacteria

Write the quadrants in which the following points lie:

-4,7

MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Give two uses of fungi for human beings.
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Not all microorganisms are harmful. Explain the statement with examples.
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
What do you understand by nitrogen fixation?
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Bacteria called _____ fix nitrogen for leguminous plants.(Rhizobium/Pseudomonas)
EASY
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Where do Rhizobium bacteria live? What is their function?
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Due to which of the following organisms, yield of rice has been increased?
EASY
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Name two industries where the given microorganism (A) is used.
EASY
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Give reasons for the following:
Dead animal body starts emitting foul smell after sometime.
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Explain the role played by Rhizobium bacteria in increasing the fertility of the soil.
HARD
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Describe how nitrogen gets fixed in nature.
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
In what ways are the Rhizobium bacteria useful to plants?
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Which one of the following is not able to fix atmospheric nitrogen?
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
Give reasons for the following.
The earth would be one big mound of rubbish if there were no bacteria and fungi. Why?
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
With the help of a well-labelled diagram, describe the nitrogen cycle, with special emphasis on nitrogen fixation.
HARD
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
State the beneficial effects (or usefulness) of microorganisms in our lives.
MEDIUM
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
How do micro-organisms help in cleaning the environment?
HARD
Biology>Microbiology>Bacteria>Economic Importance of Bacteria
What is nitrogen fixation? How do leguminous plants help in nitrogen fixation?