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Describe the uses of protozoan.

Important Questions on Life Under Microscope

EASY
Science>Biology>Life Under Microscope>Protozoa

Write the quadrants in which the following points lie:

-4,7

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