If a soil when sampled from the field weighed 30g(fresh weight) and after oven drying at 105°C overnight it weighed 25g( oven dry weight), what would be the moisture percentage?

Q: purpose of adding soap to the soil and water

A: Soap are sodium or potassium salt of long chain of fatty acid. It is biodegradable.  Produces scum…

Q: Using the data below from a batch test, estimate the observed yield and the decay rate of an…

A: Toluene is used in a variety of occupational settings. It is a solvent for paints and glues and is…

Q: Identify the highlighted structure.

A: Gland is a structure similar to organ but are involved in secretion and liberation of substance/…

Q: Explain the imporance of using a control tube with only broth when measuring turbidity in a…

A: Introduction :- There are two types of growth medium or media which are used to grow microorganisms…

Q: There are wastes of four fruits peels; apple, orange, banana, and pineapple were used for this…

A: Hi dear, here's your answer what you want. Can you please give me an upvote for this answer.…

Q: What levels of creosote is soil are considered safe and harmful? Please put answers in  µg/g.

A: Creosote is a mixture of hundreds of chemicals that is used to preserve wood and as a pesticide. It…

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A: Blood is a connective tissue in vertebrates that delivers necessary substances like nutrients and…

Q: Name the element that causes salinity in the soil.

A: Soil salinity is caused due to an increased concentration of salts in the soil. This process of…

Q: What is composite materials? Describe biomass derived composite materials by picking one biomass.

A: INTRODUCTION Biomass refers to the mass of living beings such as plants, animals, and microbes, as…

Q: The culture medium can be reffered to as a 'highly enriched labotary soil.justify this statement?

A: Culture medium:   It is also known as a growth medium where specific microorganisms and plants will…

Q: Blue light receptors trigger the following: O Chloroplast orientation to optimize light absorption O…

A: question 8   blue light receptors trigger the following all the above

Q: The high acidity of the soil means less capacity to bind positively charged ions. True or False?

A: Soil is the topmost layer of the earth which is formed by the process of weathering. The process of…

Q: Give two applications of thermal and optical properties (one each) to postharvesthandling of crops.

A: Post harvesting handling is the stage of crop production immediately following harvest, that…

Q: Calculate mean growth rate and generation time of a culture that increase in exponential phase from…

A: Generation time is time taken for culture organisms to double in size. Generation time = t/n  where…

Q: What instrument is used to check the turbidity for a test tube? O Scale Desiccator Photospectrometer…

A: Question- What instrument is used to check the turbidity for a test tube?  Scale Desiccator…

Q: pick any plant What observations did you make about the location where the organisms were observed?…

A: The following observations and queries about a particular plant—in this case, moss—were made as part…

Q: If the pasture is 15% dry matter, how much (kg) fresh (wet) pasture is 18 kgDM?

A: Dry matter refers to the portion of a substance that remains after all the water has been removed by…

Q: need to see a constructed line graph for this data of temperatures from two different sites.

A: There are a few important points:The complex of biotic, chemical, and physical elements that affect…

Q: Soil organic matter (SOM) samples have charge that is pH-dependent, and measurements for the…

A: According to the data provided in the question: Soil organic matter (SOM) CEC = 150 cmolt) /bg…

Q: Which region of soil is the most microbially active?

A: The microbe is a term used for microorganisms like bacteria, fungi, viruses, and protozoans. These…

Q: What temperature is considered adequate for achieving sterilization of a compost pile?

A: temperature considered for achieving sterilization of a compost pile is 135-160 F. At a…

Q: Why must the poured Mueller-Hinton Agar not be too shallow?

A: Mueller-Hinton agar is a popular microbiological growth medium for the purpose of determining an…

Q: Compare the relative abundance of microbial growth on the agar surface touched by unwashed and…

A: Microbial growth is the increase in the number of microorganisms in a specific environment or…

Q: What is considered a significant change in annual spirometric results? What factors might account…

A: Spirometry that is performed annually, usually once a year, to measure lung function is referred to…

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: Discuss at least three (03) anaerobic culturing techniques along with advantages and disadvantages

A: Answer: Introduction: An anaerobic organism or anaerobes are any type of organism that can grow…

Q: if you are going to prepare 15 plates of Nutrient Agar, 30 NA slants, and 20 NA stabs, how much tap…

A: In usual labs petriplatea can hold 15ml of media therefore for 15plates approximately 15×15 = 225ml…

Q: is there a correlation between one medium supporting growth at a wide set range or organismal growth…

A: A growth medium is designed to grow different types of cells. It is also known as culture medium and…

Q: A plant was exposed to a light source that only faced one side of the plant. The shaded side of the…

A: This method also we known as Photosynthesis. Photosynthesis is most important to all lifecycle on…

Q: The relative humidity in pore spaces is high in soils in tropical areas but low in desert soils.…

A: Relative humidity is the amount of moisture/water vapour present in the air compared to the normal…

Q: If I add 10 microliters of a culture at 106 cells/mL to 990 microliters of nutrientbroth, what is…

A: Microbiology is the branch of science that studies microscopic organisms. As microorganisms are not…

Q: For a drying process which of the following is NOT correct? A- the moisture content of foods during…

A: A- the moisture content of foods during the constant drying rate period decrease with time.…

Q: Surface and Sub-surface drip lines apply the water only where it is used and therefore weeds are…

A: Irrigation is a process of supplying a controlled quantity of water to the land or crop through a…

Q: According to Atterberg, between the ________________ and ______________ limits, a soil is in a…

A:

Q: How is the generation time (g) of an exponentiallygrowing culture determined?

A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse…

Q: isolating metabolites and testing for phytochemicals, why is it recommended to dry the leaves in…

A: leaves are made up of organic materials containing highly heat-sensitive volatile oils and aromatic…

Q: The students  also collect samples of topsoil from an area under some trees.describe an experiment…

A: Introduction  Soil is home to not only plants but also inhabits a wide variety of animals such as…

Q: Microbial Cell Density, Growth Curves Time (min) 0 20 40 60 80 100 Gp1 Abs 0.054 0.053 0.10 0.21…

A: The time taken by a population to double it's size is known as the doubling time. A semilog graph…

Q: Calculate the aggregation index for plantain in a quad of a study site using the information below.…

A: The manner or pattern in which particular or multiple species are spatially arranged in a particular…

Q: In the isolation of metabolites and tests for phytochemicals, why should people dry the leaves in…

A: Phytochemicals are compounds that are produced mostly by plants and have biological activity. Plants…

Q: What is the importance of vermicompost application in the improvement of acid soils?

A: Acidic soils can be defined as it is "sour" and acidity is the characteristic of soils that have a…

Q: As sugars are pumped into sieve elements, water follows. What happens? Do sieve elements merely…

A: A vascular bundle is a part of the transport system that is composed of a strand of conducting…

Q: What is the difference between agar slant and agar special slant?

A: Since the discovery of germs, microbiology has now of considerable use to humans. It is utilised in…