How can primary sewage treatment be used as a source of biofuel? a.Fermentation of BOD allows ethanol to be produced b.After primary treatment, the water is clean enough to use for hydrogen fuel c.Lipids that collect on the surface can be collected for biodiesel d.The trickling filters captures sludge that can be used for hydrogen fuel

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A:

Q: Distinguish between a transfer and a transformation. Give examples using the hydrological cycle

A: The hydrological cycle or water cycle describes the water’s continuous movement below, above, and on…

Q: S.1. Plant Organics produced gas. S.2. In shallow and moderate temperature hydrocarbon produced was…

A: A hydrocarbon is a carbon and hydrogen-based organic molecule. Group 14 hydrides include…

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A: Media is a mixture of substances that causes the growth and development of different kinds of…

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A: Answers :  The difference between microbial population from water sediment and neustonic sources are…

Q: The prime source of chlorofluorocarbons is A. Vehicular emissions B. Industrial effluents C.…

A: Chlorofluorocarbons : These are the partially or completely halogenated hydrocarbons having…

Q: These enzymes require a temperature of 15 degree Celsius or lower needed for growth / optimal…

A: Question - These enzymes require a temperature of 15 degree Celsius or lower needed for growth /…

Q: In the upper portions of the soil, which organism would you expect to have the least number? A.…

A: Answers ; The organisms that is least in number in the upper portion of the soil is  The correct…

Q: Discuss how in situ and ex situ approaches can be used to bioremediate soil and groundwater.

A: Bioremediation is a procedure that employs biological systems such as microbes and plants to reduce…

Q: Denitrifying bacteriaa. convert ammonia to nitrate.b. convert nitrate to ammonia.c. convert N2 to…

A: Answer is d.) convert nitrate to N2.

Q: Write the chemical nature of biogas. Name one organism which produces biogas.

A: When organic matter like wastes from plants and animals and food scraps are broken down it is…

Q: Which of the following process produces liquid bio fuel? a. Aerobic digestion b. Fermentation c.…

A: Biofuel is mainly a type of fuel that is produced using contemporary methods using biomass as the…

Q: What area is NOT a potential source of an extremophile microbe? A. Microwave oven B. Wild honey C.…

A: Extremophile microbes are organisms which are well adapted to live in extremes of environment but…

Q: why would you choose bioplastics, what harm do they do to the environment

A: Plastics are nonbiodegradable organic materials derived from Fossil sources such as natural gas or…

Q: What is the role of methanol for extracting chlorophyll? a. absorbs water b. dissolves the…

A: The study of chemical reactions that occurs within living organisms is called biochemistry. This…

Q: (ii) Which one of the following is non- biodegradable?

A:

Q: Why does secondary treatment of wastewater require O2?

A: Secondary treatment is a part of wastewater disposal system, where the sewage or other waste waters…

Q: Compare and contrast the production of wine, beer, distilled spirits, and vinegar.

A: Food microbiology is a subfield of microbiology where microorganisms are studied and commercially…

Q: So we know that the cloudier the broth is, the more microbes are growing in the broth. How can you…

A: Introduction :- There are two types of media , present in labs to study various types of bacteria .…

Q: 2. Illustrate the preparation of porous carbon materials using sugarcane biomass. End of document

A: Introduction  Sugarcane (Saccharum officinarum) bagasse (SCB) is a biomass of agricultural waste…

Q: Tilogell gas ng hitrate to nitrite 15. Denitrifying bacteria need which of the following conditions…

A: According to the guidelines we have to answer first 1-2 question rest you can ask separately thank…

Q: (a) Illustrate and discuss the fermentation process involves in beer production.

A: With the help of the activity of enzymes, fermentation is the process which results in biochemical…

Q: Which type(s) of organism/s does not produce enzymes needed to breakdown toxic forms of oxygen?…

A: Reactive oxygen species is a type of unstable compound that contains oxygen in them and these are…

Q: Describe why the use of solar radiation is inefficient

A: Solar radiation is the radiant electromagnetic radiation or energy from the sun. It provides heat…

Q: Methods of Bioremediation does not include Select one: a. Bioaugmentation b. Phytoremediation c.…

A: Bioremediation: Bioremediation is a field of biotechnology that involves the removal of…

Q: s the controversial method used to extract natural gas and oil from types of rock where it can't be…

A: Hydraulic fracturing or fracking is a method in which water, chemicals, or sands are injected into…

Q: . Which one of these soils would have a higher infiltration rate?

A: Soil is formed by the fragmentation and erosion of rocks by weathering, the action of rain-water,…

Q: Denitrification is which of the following? a. Organisms like algae, cyanobacteria and plants are…

A: Biogeochemical cycle is a circulatory pathway involving the flow of elements between the living as…

Q: What forms around a non-polar molecule in an aqueous environment? a. clathrate b. hydroclath c.…

A: Non-polar molecules, electrical charges are evenly distributed. Non-polar molecules are symmetric.…

Q: What are the 2 ways of production that will allow a product to be classified as an essential oil?:…

A: BASIC INFORMATION ESSENTIAL OILS  These liquid is basically hydrophobic and concentrated in nature.…

Q: 42. Which of the following chemicals is a persistent organic pollutant, was first used on a wide…

A: A pollutant is a material that is present at levels that are harmful to organisms (people, plants,…

Q: 1. In a nutrient broth, where do microorganisms acquire their requirements for mineral elements like…

A: Microorganisms acquire their mineral element requirements from the nutrient broth itself. Nutrient…

Q: 48. What amount of oxygen represents the gross primary productivity? b. 6 ppm c. 4 ppm d. 1 ppm a. 2…

A: Gross primary productivity of the amount of carbon concentrated during photosynthesis by all…

Q: Write a unique prediction about a factor that could increase alcohol fermentation

A: *Alcohol fermentation is also called as Ethanol fermentation which  is a biological process that…

Q: 5. Imagine that you are an environmental scientist who has been hired to solve a groundwater…

A: Introduction Contamination Refers To Materials In The Environment Or Groundwater That Are Or May Be…

Q: Draw a labeled diagram of submerged fermenter and describe its construction.

A: The submerged fermentation is a technique including the development of microorganisms in a liquid…

Q: Heterotrophs that harvest energy from organic molecules are called   A. photoautotrophs   B.…

A: The oxidation of reduced inorganic molecules such as hydrogen, ammonia, nitrite, sulphide, hydrogen,…

Q: Bacteria that grew in the bottom of nutrient broth tube is: a. Anaerobic A b. Flocculent C. Pellicle…

A: In the laboratories, culture is an in vitro procedure for growing or cultivating bacteria or just…

Q: These are enzymes that can sustain in a high hydrostatic pressure. * (Please choose one correct…

A: Bacteria are classified into different classes based on the influence of different environmental…

Q: Draw a schematic diagram for the preparation of broth media in a laboratory set-up.

A: Broth media is a type of liquid medium for growing microbial, plant or animal cells. it contains…

Q: Why will alcoholic fermentation preserve the nutritive value of fruit juice or grains in the absence…

A: Alcoholic fermentation occurs in the cells when there is an oxygen-deficient condition around the…

Environmental Microbiology

Environmental biology deals with the study of microorganisms and their interaction with their surroundings. This term itself covers the microbial interactions with water, soil, air, and microbial too.