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Protozoa cause disease in plants.

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Important Questions on General Introduction and Classification of Microorganisms

HARD

Observe this figure and answer the questions given below:

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  1. Name the part labelled as ‘1’.
  2. Name the heredity material of this virus.
  3. The person infected by this virus is attacked by various diseases.’ Explain.
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Name the micro-organism used in bread-making which makes the bread-dough rise. How does it make the dough rise?
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Can micro-organisms be seen with the naked eye? If not, how can they be seen?
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Understand the relationship and complete the following.
Example: Children: milk teeth:: Adult: Permanent teeth.
Bacteria: typhoid :: _____protozoa/virus: dysentery.
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Paramecium is an example of _____ animal. (unicellular/ multicellular)