Question

EXERCISES
A. Choose the most appropriate answer.
1. Which of the following cannot be classified as either living or non-living?
a. fungi
b. bacteria
c. viruses
d. protozoa
2. Amocba is a
a. bacterium.
b. virus.
c. fungus,
d. protozoa.
3. Which of the following make their own food by photosynthesis?
a. algae
b. viruses
c. fungi
d. protozoa
4. The unicellular organisms that sour milk to make curd are
a. bacteria.
b. viruses.
c. fungi.
d. protozoa.
5. Which of the following is responsible for making bread soft and fluffy?
a. finely ground flour
b. sugar
c. alcohol given off during fermentation of sugar
d. carbon dioxide gas given off during fermentation of sugar
6. Which of these do not have a regular cell structure?
a. bacteria
b. viruses
c. algae
d. protozoa
7. Which of these are found as both unicellular and multicellular organisms?
a. bacteria
b. viruses
c. algae
d. protozoa
8. The bacterium Lactobacillus is useful in making
a. cheese.
b. cake.
c. alcohol.
d. all of these
9. Microorganisms spread through
b. cuts.
c. water.
d. all of these
10. Which of these does not prevent growth of bacteria?
C. water
d. oil
a. air.
a. salt
b. sugar​

Answer 1

Answer:

1. b
2. d
3. a
4. a
5. a
6. b
7. b
8. d
9. d
10. c

Explanation:

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Answer 2

Answer:

1. b
2. d
3. a
4. a
5. a
6. b
7. b
8. d
9. d
10. c

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