Question

Microorganisms: Friend and Foe
7. The algae commonly used as fertilizers are
(a) Staphylococcus
(b) diatoms
(c) blue-green algae
(d) none of these
8. Antibiotics are effective against which of the following?
(a) Fungi
(b) Virus
(c) Bacteria
(d) All of these
9. Diphtheria is caused by
(a) virus
(b) fungi
(c) bacteria
(d) algae
10. Which of the following is the smallest microorganism?
(a) Bacterium
(b) Protozoan
(c) Virus
(d) Alga
​

Answer 1

Answer:

1.blue - green algae

2.fungi and becteria

3.becteria

4.virus

Answer 2

Answer:

7. c blue green algae

8.c bacteria

9.c bacteria

10.c virus

Explanation:

8.Antibiotics are commonly effective against bacterial infections, certain fungal infections and some kinds of parasites. To make it simple; most of the times you will ever receive an antibiotic to treat a bacterial infection.