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Question
Who am I?
I have a nucleus and membrane-bound cell organelles.
Solution
Protozoa
RELATED QUESTIONS
Match the organisms in Column A with their action in Column B.
| A | B | ||
| (i) | Bacteria | (a) | Fixing Nitrogen |
| (ii) | Rhizobium | (b) | Setting of curd |
| (iii) | Lactobacillus | (c) | Baking of bread |
| (iv) | Yeast | (d) | Causing Malaria |
| (v) | A protozoan | (e) | Causing Cholera |
| (vi) | A Virus | (f) | Causing AIDS |
| (g) | Producing antibodies |
Can microorganisms be seen with the naked eye? If not, how can they be seen?
What are the major groups of microorganisms?
Give a scientific reason.
Use of mutant strains has been increased in industrial microbiology.
Who am I?
I reproduce mainly by cell division.
Draw a neat and labelled diagram.
Bacteriophage.
While returning from the school, Boojho ate chaat from a street hawker. When he reached home, he felt ill and complained of stomach ache and fell ill. What could be the reason?
The major constituent of vinegar is ______.
Yeasts are a rich source of ______.
Vaccines stimulate the body to produce ______ against the ______ in the microbes.
