Microorgnisms: Friend & Foe

Which microbe convert alcohol into acetic acid?
1. Bacillus subtilis
2. Aspergillus niger
3. Acetobacter aceti
4. Mycobacterium
Cod,flu,chicken pox,polio are caused by-
1. bacteria
2. protozoa
3. fungi
4. virus
Cholera and Typhoid are caused by
1. virus
2. bacteria
3. fungi
4. protozoa
Foot and mouth disease is caused by-
1. virus
2. bacteria
3. fungi
4. protozoa
Rust of wheat is transmitted by-
1. fungi
2. air
3. insects and seeds
4. insect
Pasteurization is done at-
1. 75C for 20 min
2. 70C for 15 min
3. 80C for 15 min
4. 80C for 20 min
Yeast is-
1. multicellular
2. unicellular
3. fungi
4. both b&c
Microorganisms can be seen with the help of-
1. naked eyes
2. telescope
3. magnifying glass
4. microscope
5. both c&d
Anthrax is caused by-
1. protozoa
2. virus
3. fungi
4. bacteria
Which of the following is a communicable disease?
1. flu
2. leprosy
3. dengue
4. both b&c