Principles of Biochemical Engineering (BIO204)

1. Collins hazard group criteria did not include ________.

   1. The ease of prophylaxis and treatment
   2. The routes of infection
   3. The pathogenicity of a microorganism
   4. The reproductive cycle of a microorganism

2. Which of the following is a fabricated material used for the construction of a fermentation vessel?

   1. Wood
   2. Ceramics
   3. Stone
   4. Gourds

3. Which of the following is related to industrial-scale fermenter?

   1. Ex-situ sterilization but seed fermenter is not required for inoculums development.
   2. In-situ sterilization and seed fermenter is required for inoculums development.
   3. In-situ sterilization but seed fermenter is not required for inoculums development.
   4. Ex-situ sterilization and seed fermenter is required for inoculums development.

4. Which scientist(s) geve a full kinetic description of external and internal feedback system?

   1. Monod
   2. Pirt
   3. Bull
   4. Harte and Webb

5. While constructing the fermenter, which of the following is not required?

   1. High-speed Agitation and Aeration system
   2. Temperature control system
   3. pH control system
   4. Sample facilities

6. Which of the following material is preferable for the construction of small-scale fermenter?

   1. Quartz
   2. Glass
   3. Iron steel
   4. Wood

7. Which of the metal is used to make stainless steel?

   1. Cr
   2. Pb
   3. Mn
   4. Fe

8. Fermenters with single multi-blade impellers for Steel and Maxon (1961) model heve operating volume ________.

   1. 25L
   2. 125L
   3. 200L
   4. 250L

9. The purpose of aeration is to provide ________.

   1. The medium to organisms
   2. The carbon dioxide to organisms
   3. The oxygen to organisms
   4. The water to organisms

10. What led to the development of Walhof-type fermenter?

    1. Yeast growth
    2. Bacterial growth
    3. Viral growth
    4. Fungi growth

11. Which carbon source has great application for SCP production?

    1. Cellulose
    2. Starch
    3. Methanol
    4. Methane

12. The heat exchangers are used to ________.

    1. Maintain high temperature
    2. Maintain low temperature
    3. Maintain low pressure
    4. Maintain high pressure

13. Which of the following is not the use of baffles?

    1. Increase the effect of agitation
    2. Improve aeration efficiency
    3. Improve cooling capacity
    4. Improve the fermenter capacity

14. Fermenters with single multi-blade impellers for Steel and Maxon (1961) model heve Liquid height (L) ________.

    1. 15cm
    2. 35cm
    3. 27cm
    4. 55cm

15. Sterile compressed air for a fermenter should be of ________ atmospheres.

    1. 2.5 to 3.0
    2. 1.5 to 3.0
    3. 3.0 to 3.5
    4. 1.0 to 2.5

16. The Aeration is mainly provided to organisms present in ________.

    1. Submerged culture
    2. Solid State culture
    3. Surface culture
    4. Batch culture

17. In a fermenter ________ is involved for air supply.

    1. Baffels
    2. Sparger
    3. Agitator
    4. Microprocessor

18. Micro-organisms can be damaged due to ________ in a fermenter.

    1. Power consumption
    2. Agitation
    3. pH
    4. Evaporation

19. Which of the following element does not enhances the property of stainless steel?

    1. Nickel
    2. Molybdenum
    3. Silicone
    4. Manganese

20. The largest diameter for glass fermenter is ________.

    1. 50 cm
    2. 70 cm
    3. 60 cm
    4. 80 cm

21. What is the term used for a cross in which two contrasting traits are studied at a time?

    1. dihybrid cross
    2. monohybrid cross
    3. genotype
    4. phenotype

22. The AISI grade 316 contains ________ amount of chromium.15 %

    1. 15%
    2. 18%
    3. 20%
    4. 18.50%

23. Which of the following is not the type of modern agitator?

    1. SCABA
    2. Prochem Maxflo
    3. Lightning A315
    4. New Brunswick Scientific

Select a course code for Objective Questions:

ACC311 ACC501 BIF101 BIF401 BIF501 BIO101 BIO201 BIO202 BIO203 BIO204 BIO301 BIO302 BIO303 BIO401 BIO503 BNK603 BT101 BT201 BT301 BT302 BT401 BT402 BT403 BT404 BT405 BT406 BT501 BT504 BT505 BT604 CHE201 CHE301 CS001 CS101 CS201 CS202 CS204 CS301 CS302 CS304 CS311 CS401 CS402 CS403 CS408 CS501 CS502 CS504 CS506 CS508 CS601 CS602 CS604 CS605 CS607 CS609 CS610 CS614 CS707 CS710 ECO401 ECO402 ECO403 ECO404 EDU302 EDU401 EDU402 EDU501 EDU601 ENG101 ENG201 ENG301 ENG501 FIN611 FIN624 FIN625 ISL201 IT430 MCM101 MCM301 MGMT623 MGT101 MGT211 MGT301 MGT401 MGT402 MGT501 MGT502 MGT503 MGT510 MGT601 MGT603 MKT501 MKT610 MKT630 MTH101 MTH202 MTH302 MTH501 MTH601 MTH634 PAK301 PHY101 PHY301 PSY101 PSY403 PSY502 PSY512 SOC101 SOC301 SOC401 STA301 STA630 STA641 ZOO102 ZOO401 ZOO501 ZOO502 ZOO503 ZOO504 ZOO505 ZOO506 ZOO510 ZOO630

Select a course code for Subjective Questions:

ACC311 CS001 CS101 CS201 CS301 CS607 CS701 CS702 CS703 CS704 CS707 CS708 CS710 CS711 CS718 CS721 CS724 ECO401 ECO403 ENG101 ENG301 MGT703 MTH501 STA301