This set of Basic Biotechnology Multiple Choice Questions & Answers (MCQs) focuses on “Biomass – Natural Raw Materials”.
1. Where do natural raw materials mostly occur from?
a) Agriculture and forestry
b) Forestry and bakery
c) Agriculture and software
d) Brewing industries
View Answer
Explanation: Natural raw materials mostly occur from agriculture and forestry. Forestry is the science of planting. managing and caring trees. Agriculture is the science or practice of farming.
2. The total quantity or weight of organisms in a given area or volume is ______
a) biomass
b) lipid
c) fats
d) proteins
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Explanation: The total quantity or weight of organisms in a given area or volume is biomass. It is also the organic matter that are used as fuels. Lipids, Proteins and Fats are biomolecules.
3. Which among the following is a polysaccharide that functions as a carbohydrate store?
a) Starch
b) Ammonia
c) Chloroform
d) Iodoform
View Answer
Explanation: Starch is a polysaccharide. It functions as carbohydrate store. It is important constituent in human diet.
4. Which among the following is an insoluble substance which is the main component of plant cell wall?
a) Glycogen
b) Ammonia
c) Iodoform
d) Cellulose
View Answer
Explanation: Cellulose is an insoluble substance. It is the main component of plant cell walls. It is a polysaccharide of glucose monomers.
5. Which among the following is a complex polymer deposited in the cell wall of many plants, making them rigid and woody?
a) Starch
b) Glucose
c) Lignin
d) Ammonia
View Answer
Explanation: Lignin is a complex organic polymer. It is deposited in the cell walls of many plants. It makes them rigid and woody.
6. Which among the following is not a sugar bearing raw material?
a) Sugar beet
b) Sugar cane
c) Sugar millet
d) Sugar syrup
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Explanation: Sugar syrup is a processed syrup produces in industries. Sugar cane provides the maximun sugar are materials. Sugar beet and sugar millets are also sugar bearing.
7. What serves as alternative for Brazilian Gasohol Program?
a) Cane sugar
b) Sugar syrup
c) Ammonia
d) Limestone
View Answer
Explanation: Cane sugar serves as substrate for Brazilian Gasohol Program. Gasohol is an Ethanol Fuel. Other nations are also seeing the immense potential of these new technologies.
8. Which among the following is the juice obtained from raw sugar during refining process?
a) Molasses
b) Starch
c) Lignin
d) Vanilla essence
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Explanation: Molasses is the thick and brown juice. It is obtained from raw sugar. It is generally obtained during refining process.
9. A slight disadvantage of starch is that it must be usually be degraded to monosaccharides or oligosaccharides.
a) True
b) False
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Explanation: There is a slight disadvantage of using starch. It must be usually broken to simple forms. Simple forms include monosaccharides and oligosaccharides.
10. Lignocellulose is the most abundant and renewable natural resource available to man throughout the world.
a) True
b) False
View Answer
Explanation: Lignocellulose is a natural resource. It is the most abundant and renewable resource. It is easily available to man.
11. Which among the classifications mentioned is a carbohydrate?
a) Glucose
b) Cellulose
c) Starch
d) Ammonia
View Answer
Explanation: Carbohydrates are a large group of organic compounds. They occur in foods as and living tissues. They include sugars, starch, cellulose mostly.
12. On worldwide basis, land plants produce how many tons of cellulose per person per year?
a) 24 tons
b) 100 tons
c) 250 tons
d) 500 tons
View Answer
Explanation: This calculation was done on worldwide basis. Land plants produce many celluloses per person per year. The annual production is around 24 tons.
Sanfoundry Global Education & Learning Series – Basic Biotechnology.
To practice all areas of Basic Biotechnology, here is complete set of Multiple Choice Questions and Answers.
