Download Btech quiz 2 Samples

BTEC 3301
Quiz 2
Section A: Multiple choice: 2 points each;Total 20
1. Thermus aquaticus used for Taq DNA is a----------.
A. psychrophile
B. mesophile
C. thermophile
D. heat-loving yeast
2. The plasma membrane of a bacterial cell is composed of complex
polysaccharide and protein substance called peptidoglycan.
A.True
B. False
3. Staphylococci are --------------shape bacteria
A. rod
B. sperical
C. spiral
D. irregular
4. Yeast are single-celled---------A. prokaryotes
B. eukaryotes
C. thermostabile
D. none of the above
5. The denim jean is treated with cellulose, from fungi Aspergillus flavus
A. True
B. False
6. Candidiasis are caused by a fungus called……..
A. Candida albicans.
B. E. coli
C. Aspergillus sps only
D. Saccharomyces cerevisiae
7. Xylanase is an enzyme from ---------- used in pulp and paper industry
and needs to be stable in high temperature.
A. Aspergillus sps
B. Trichoderma sps
C. Penicillium
D. Streptomyces
8. Microbial amylases can be used to break down starch to glucose
A. True
B. False
9. The ----------- subtilisin from Bacillus subtilis is a valuable component of
laundry detergent to degrade protein
A. protease
B. cellulase
C. lipase
D. All the above
10. All of the following are industrial products produced by microbes
except-------.
A. Amino acids in food supplements.
B. Antibiotics
C. Industrial Enzymes
D. Starch
E. Alcohol