This set of Basic Biotechnology Multiple Choice Questions & Answers (MCQs) focuses on “Biomass – Raw Materials and the Future of Biotechnology”.
1. Measures of hydrolysis and separation are required for the pretreatment of _________
a) Cereals and rice
b) Sugarcane and beet
c) Molasses and fruit juices
d) Corn cobs and straw
View Answer
Explanation: Starchy materials require hydrolysis and initial separation. Hydrolysis can be done by acids or enzymes. Cereals and rice are starchy materials.
2. Which among the following are lignocellulosic materials?
a) Corn cobs and bagasse
b) Rice and vegetables
c) Fruit juices and whey
d) Beet and molasses
View Answer
Explanation: Rice and vegetables are starchy materials. Fruit juices, whey, beet and molasses are sugary materials. Corn cobs and bagasse are lignocellulosic materials.
3. Wood waste does not include __________
a) Low grade wood
b) Bark
c) Sawdust
d) Ammonia
View Answer
Explanation: Low grade woods, bark and sawdust are wood wastes. Some liquors are also wood wastes. Ammonia is a chemical waste.
4. Wood wastes find considerable processing in _________
a) Asian countries and African countries
b) Asian countries
c) African countries
d) Communist bloc countries and European countries
View Answer
Explanation: Wood waste includes bark, sawdust, liquors and some kinds of wood. They are not very much processed in Asian countries. They are well processed in Communist bloc countries and European countries.
5. What is forming the largest proportion of the total volume of waste from?
a) Animal rearing
b) Agricultural waste
c) Food industry waste
d) Domestic waste
View Answer
Explanation: According to records, largest proportion of waste is contributed by animal rearing. The waste includes faeces and urine. This waste is followed by agricultural waste.
6. Recycling by composting has been long practiced in China.
a) True
b) False
View Answer
Explanation: Disposal of animal waste is not at all a problem. Recycling by composting has been long practiced in China. It is traditional agriculture.
7. Feeding the food waste directly or after processing to poultry is a biotechnological strategy.
a) True
b) False
View Answer
Explanation: Biotechnology includes strategies for utilization of suitable organic waste materials. Feeding the food waste to poultry is one such strategy. Food is given directly or after processing.
8. SCP stands for _______
a) Single cell proteins
b) Single cell proteomics
c) Single celled potential
d) Single cell predecessors
View Answer
Explanation: SCP stands for single celled proteins. These are feed supplements. These are bacterial proteins.
9. In which year there was a worldwide glut of chemical and petrochemical feedstocks?
a) 1960s
b) 1860s
c) 1760s
d) 1560s
View Answer
Explanation: In 1960s there was a worldwide glut of chemicals and petrochemicals. Alternatives were being actively pursued. Alternative feedstocks were also searched for.
10. Massive fermentation programs were initiated in ___________
a) China, Tibet
b) Europe, USA, Russia
c) Nepal, Bangladesh
d) Korea, Japan, China
View Answer
Explanation: Massive fermentation programs were initiated in developed nations. Developed nations then were Europe, USA, Russia. Energy companies were drawn to produce SCP.
11. What can be used as short and medium term raw materials for biotechnological process?
a) Cereal crops
b) Software
c) Iron
d) Copper
View Answer
Explanation: Cereal crops can be used as main short and medium term raw materials. Cereal crops like maize, rice and wheat can be used. This can be achieved without disturbing human food supplies.
12. Which among the following is not an obstacle to use wastes as biotechnological substrates?
a) Availability of agricultural waste
b) Geographical availability
c) Chances of toxicity in substrates
d) Availability of software programs
View Answer
Explanation: Availability of agricultural waste determines the application. Geographical distribution also plays a vital role. Software programs does not play a vital role in substrates of biotech.
Sanfoundry Global Education & Learning Series – Basic Biotechnology.
To practice all areas of Basic Biotechnology, here is complete set of Multiple Choice Questions and Answers.
