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प्रश्न
Who am I?
I reproduce mainly by cell division.
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उत्तर
Protozoa
संबंधित प्रश्न
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?
Which precautions are necessary for proper decomposition of domestic waste?
Give scientific reasons.
Use of mutant strains has been increased in industrial microbiology.
Observe the following figure and answer the questions :
- Identify the process shown in the figure.
- Explain the process in short.
Who am I?
I am green, but don't have organs.
Mark the correct one as:
Assertion: Malaria is caused by Protozoa.
Reason: The disease is transmitted by mosquito.
Unscramble the jumbled word underlined in the following statement.
Cells of our body produce santiidobe to fight pathogens
The major constituent of vinegar is ______.
Assertion: Bacillus Thuringiensis is a biocontrol agent.
Reason: It produces a protein called ‘cry protein’ which kills insect larva.
