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Can microorganisms be seen with the naked eye? If not, how can they be seen?
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No, microorganisms cannot be seen with the naked eye. They are microscopic in nature, hence they are called 'microorganism'. A microscope or a magnifying lens is required to observe them.
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Practice questions from similar books
Question 2
Fill in the blanks.(a) Microorganisms can be seen with the help of a _____.
(b) Blue green algae fix _______ directly from air to enhance fertility of soil.
(c) Alcohol is produced with the help of _______.
(d) Cholera is caused by _______.
Question 4
Tick the correct answer.
(a) Yeast is used in the production of(i) sugar (ii) alcohol (iii) hydrochloric acid (iv) oxygen
(b) The following is an antibiotic.
(i) Sodium bicarbonate (ii) Streptomycin (iii) Alcohol (iv) Yeast
(c) Carrier of malaria-causing protozoa is
(i) female Anopheles mosquito (ii) cockroach (iii) housefly (iv) butterfly
(d) The most common carrier of communicable diseases is
(i) ant (ii) housefly (iii) dragonfly (iv) spider
(e) The bread or idli rises because of
(i) heat (ii) grinding (iii) growth of yeast cells (iv) kneading
(f) The process of conversion of sugar into alcohol is called
(i) nitrogen fixation (ii) moulding (iii) fermentation (iv) infection
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| Question Text | Can microorganisms be seen with the naked eye? If not, how can they be seen? |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
