This set of Basic Biotechnology Multiple Choice Questions & Answers (MCQs) focuses on “Bioprocess Technology – Principles of Microbial Growth”.
1. A special strain of E. coli was constructed to offset the risks of genetic manipulations.
a) True
b) False
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Explanation: To offset the risk of genetic manipulations, a special strain of E. coli was constructed. It incorporates fail-safe features. The strain can grow under special laboratory conditions only.
2. Which government authority controls the recombinant DNA work within the UK?
a) Health and Safety Executive
b) Fashion Executive
c) Finance Executive
d) Trade Manager
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Explanation: Health and Safety Executive controls the recombinant DNA work within the UK. This committee seeks advice form the Genetic Manipulation Advisory Group. GMAG formats realistic procedural guidelines.
3. Growth will be dependent on availability of transport of necessary nutrients to cell.
a) True
b) False
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Explanation: Growth is dependent on the availability of transport of necessary nutrients to cell. And on subsequent uptake. It also depends on environmental parameters.
4. Which among the following do not come under chemical sector?
a) Ethanol
b) Animal feedstuffs
c) Acetone
d) Perfume
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Explanation: Different industrial sectors have fermentation products. Ethanol, acetone and perfumes are chemicals. Animal feedstuffs come in food sector.
5. Which among the following is not a steroid?
a) Androstenedione
b) Axiron and Androgen
c) Nandrolone
d) Benzene
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Explanation: There are different anabolic steroids that have been manufactured over the past decades. Steroids are hormones. Benzene is not a steroid.
6. Which among the following is not an agricultural product?
a) Mycorrhizal inoculants
b) Plant cell culture
c) Rhizobium
d) Steroids
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Explanation: Traditional forms of bioprocess are related too foods. Mycorrhizal inoculants, plant cell culture and rhizobium are agricultural products. Steroids are pharmaceuticals.
7. Which biological preparation is used to provide acquired immunity to a particular disease?
a) Polylinker
b) Fibrinogen
c) Vaccine
d) Serum and Plasma
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Explanation: A vaccine is a biological preparation that provides active acquired immunity to a particular disease. It stimulates the immune system. It contains an agent that resembles the disease-causing agent.
8. According to Monod, specific growth is a function of __________
a) Concentration
b) Mass
c) Volume
d) Temperature
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Explanation: Equation gives essential feature of organism growth in bioreactor. Equation by Monod suggests specific growth as a function of concentration. S is the concentration of substrate.
9. What are the large holes in swiss cheese produced due to?
a) Carbon di oxide
b) Glucose
c) Fructose
d) Galactose
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Explanation: Swiss cheese has large holes. It enhances the specific flavor of cheese. It is produces due to CO2.
10. Which among the following is not a growth constant?
a) μmax
b) Ks
c) Y
d) T
View Answer
Explanation: μmax, Ks and Y are three growth factors. These are used in Monad equation. T is not a growth constant.
11. Which among the following is a traditional drink obtained by the fermentation of coconut and palms?
a) Toddy
b) Vodka
c) Beer
d) Wine
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Explanation: Toddy, is a fermentation product. It is obtained by the fermentation of coconut and palms. It is an alcoholic beverage.
12. Which bacterium is used in curd formation?
a) Penicillium
b) Lactobacillus
c) Aspergillus
d) Agrobacterium
View Answer
Explanation: Lactobacillus is used in curd formation. It is a gram-positive organism. It is facultative anaerobic.
Sanfoundry Global Education & Learning Series – Basic Biotechnology.
To practice all areas of Basic Biotechnology, here is complete set of Multiple Choice Questions and Answers.
