Nitrification - Study guides, Class notes & Summaries

What microbial process was responsible for changing Earth's atmosphere from one without oxygen to one with oxygen? Select one: a. anaerobic respiration b. decomposition c. oxygenic photosynthesis d. temperature regulation - C In the nitrogen cycle, which of the following phases involves the release of nitrogen as N2 into the Earth's atmosphere? Select one: a. ammonification b. denitrification c. nitrification d. nitrogen fixation - B Farmers commonly inoculate legume crops with Rh...

Performance problems in the activated sludge process can be caused by ____________. A. Poor solids dewatering B. Inadequate chlorination of effluent C. Consistent influent characteristics D. Insufficient operator training - Answer-D. Insufficient operator training Solids that float to the surface of the clarifier are referred to as ____________. A. Mixed liquor B. Film C. Residual solids D. Scum - Answer-D. Scum Solids that settle to the bottom of clarifiers and are removed from the pr...

BCH 369 EXAM 4 QUESTIONS WITH REVISED ANSWERS Which of the following does NOT correctly describe insulin's role in human metabolism? A) Insulin activates glycogenolysis. B) Insulin results in fatty acids being stored as fat in adipocytes. C) Insulin activates phosphatases. D) Insulin is released in response to high blood glucose. - Answer-A) Insulin activates glycogenolysis. Given the following starting substrate, A, place the following reaction intermediates in order of their appearan...

Which process converts ammonia to nitrite and nitrate? - Nitrification What is the maximum advisable rate of chlorine gas removal from a 150- pound cylinder? - 40 pounds per day What is a type of positive displacement water meter? - Nutating- disk meter What is a power-operated mechanism for opening and closing a valve? - Actuator What is required if a routine sample test positive for total coliform bacteria? - Take repeat samples Why is a grid layout better than a tree layout for a water ...

Texas Wastewater Class B Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct Q: In order to be a good communicator, what else do you need to be? Answer: Listener Q: During Nitrification, which organisms use ______ for food? Answer: Nitrates Q: In an Activated Sludge Treatment Process what is the most predominant organism? Answer: Ciliates and rotifers with few flagellates. Q: The Detention Time in a Contact Stabilization ...

soil correct answers composed of minerals, organic matter, air, and water parent material correct answers geological base material for soil and is determines soil composition weathering correct answers the break down of rock through chemical, physical, or biological processes humus correct answers crumbly material from partially decomposed material formed from biological processes CLORPT correct answers stands for climate, organisms, rest/topography, parent material, time loam cor...

SWS3022 Exam 3 Questions and Answers What is "green manure"? - Answer-When the plant dies, the fixed nitrogen is mineralized during decomposition, making it available to other plants. What is the artificial process by which atmospheric N is fixed? How much world energy is used? Also, be familiar with the fact that the product of this process is used as a foundation for the production of a number of N fertilizer types. - Answer-It's called the Haber-Bosch process. It uses 1-2 percent of t...

Cca International Exam Questions With 100% Correct Answers List the 17 essential nutrients and identify which are micronutrients (8) and which are macronutrients (9) - answerMacro: carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, calcium, magnesium, sulfur Micro: boron, chlorine, copper, iron, manganese, molybdenum, nickel, zinc Which macronutrients are mobile in plants? Which are not? - answerMobile: nitrogen, phosphorus, potassium, magnesium Not mobile: calcium, sulfur List ...

Certified Crop Advisor Exam Questions With 100% Correct Answers What is not an essential nutrient for plants? Na/sodium Which of the following plant nutrients is a cation in soils? potassium/K+ Which of the following is a macronutrient? Cu, S, Mg, B Sulfur Which element regulates stomatal openings in plants? Potassium, K Which nutrient is most immobile in soil? phosphate What is the chemical uptake form of nitrogen? NO3- What is the chemical uptake form of phosphorous? H2PO4- Wha...

Note the various forms of N -:- 1. Ammonium (NH4+) cation in the soil solution and fixed in secondary clays 2. Nitrate (NO3-) anion in the soil solution 3. Organic N in the soil 4. Ammonia (NH3) gas (released to atmosphere) 5. NO, N2O, N2 gases (released to atmosphere) anion- nitrogen -:- it is not held by soil colloids and can be lost from the soil through leaching. However in well aerated soils (plenty of oxygen), most of the NH4+-N (applied for example as fertilizer) changes to the...