Welcome to your Grade 12 Biology chapter 2
After carefully reading the following 30 questions, choose the correct answer.
1.
What is the primary characteristic that distinguishes Eubacteria from Archaebacteria?
2.
Which bacterial shape is known as "cocci"?
3.
What is the function of bacterial endospores?
4.
Which group of microorganisms are known as "extremophiles"?
5.
What is the main component of the fungal cell wall?
6.
How do most bacteria reproduce?
7.
Which of the following is a viral disease?
8.
What term describes bacteria that require oxygen for growth?
9.
What is the protein coat of a virus called?
10.
Which of the following protozoa causes malaria?
11.
What is the ecological role of saprophytic fungi?
12.
Which structure do bacteria use for motility?
13.
Gram-positive bacteria stain what color during a Gram stain?
14.
What is a bacteriophage?
15.
Which of these is a beneficial use of fungi?
16.
What describes the symbiotic relationship between fungi and algae?
17.
Which viral cycle results in the immediate lysis of the host cell?
18.
What are "normal microbiota"?
19.
Which method is used to control microbial growth by using high pressure and steam?
20.
Who is considered a renowned Ethiopian microbiologist?
21.
What is the main difference between a disinfectant and an antiseptic?
22.
Which bacterial structure is involved in conjugation (horizontal gene transfer)?
23.
Which of the following is a non-cellular infectious agent?
24.
What is the primary mode of transmission for the Cholera pathogen?
25.
Which group of fungi includes mushrooms?
26.
What is the term for a disease-causing microorganism?
27.
Which scientist developed the criteria to prove that a specific microbe causes a specific disease?
28.
What is the function of the bacterial capsule?
29.
How do Retroviruses differ from most other viruses?
30.
Which of the following is a physical factor affecting microbial growth?
