Description : In septic tanks, decomposition of organic bacteria, is done by A. Anaerobic bacteria B. Aerobic bacteria C. Both types of bacterias D. None of these
Last Answer : ANS: A
Description : The sewage treatment in septic tanks is due to A. Anaerobic decomposition B. Aerobic decomposition C. Parasitic decomposition D. None of these
Description : The sewage treatment units in which anaerobic decomposition of organic matter is used, are called A. Imhoff tanks B. Trickling filters C. Sludge sedimentation tanks D. None of these
Last Answer : ANS: B
Description : Pick up the correct statement from the following: A. Indore method of composting involves decomposition under aerobic conditions B. Bangalore method of composting involves decomposing under anaerobic conditions C ... the Bangalore method of compositing is a powdery mass called humus D. all of these
Last Answer : ANS: D
Description : Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere? (a) Aerobic nitrate oxidation and nitrite reduction (b) ... fixation by Rhizobium in root nodules of legumes (d) Anaerobic ammonium oxidation and denitrification
Last Answer : (d) Anaerobic ammonium oxidation and denitrification
Description : The domestic sewage in large cities (a) has a high BOD as it contains both aerobic and anaerobic bacteria (b) is processed by aerobic and then anaerobic bacteria in the secondary treatment in ... sewage contains adequate oxygen (d) has very high amount of suspended solids and dissolved salts.
Last Answer : (b) is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)
Description : The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. (A) Anaerobic (B) Saprophytic (C) Aerobic (D) Parasitic
Last Answer : (C) Aerobic
Description : Presence of __________ bacteria in water causes disease like typhoid. (A) Aerobic (B) Pathogenic (C) Anaerobic (D) Non-pathogenic
Last Answer : (B) Pathogenic
Description : Production of alcohol by fermentation of molasses is a/an __________ process. (A) Anaerobic (B) Aerobic (C) Endothermic (D) Both (B) and (C)
Last Answer : (B) Aerobic
Description : Penicillin is made employing __________ fermentation process. (A) Continuous (B) Aerobic batch (C) Anaerobic batch (D) None of these
Last Answer : (B) Aerobic batch
Description : Cartridge filters are termed as 'edge' filters, because of the fact that the (A) Disks have very sharp edge (B) Solids are not deposited at the edge of the disk (C) Bulk of the solids are removed at the periphery of the disks (D) None of these
Last Answer : (C) Bulk of the solids are removed at the periphery of the disks
Description : A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called (A) Cesspool (B) Lagoon (C) Skimming mill (D) Septic tank
Last Answer : (D) Septic tank
Description : Does anyone have an opinion on doggie poo septic tanks?
Last Answer : That’s got to be the most ridiculous device I’ve ever seen. It doesn’t matter if it’s human or dog waste, it’s still waste. Just flush it down the toilet. Why would you spend extra to have a doggie septic tank?
Description : Where can I find information on septic tanks?
Last Answer : Where can I find information on septic tanks? You can find information on septic tanks at http://completewatersystems.com/products/? . The industry is called Xylem , the Motto is "Let's solve Water."
Description : How often should septic tanks be inspected?
Last Answer : If you are having problems with your septic tank than it is essential that you have it checked. If there is a problem and you leave it, it will become worse and worse.
Description : The digested sludge from septic tanks, is removed after a maximum period of A. 3 years B. 3.5 years C. 4 years D. 5 years
Description : The clarigesters are A. Circular septic tanks B. Rectangular septic tanks C. Circular Imhoff double tanks with bottom hoppers D. Circular Imhoff double storey tanks without bottom hoppers
Description : Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank. A. Both A and R is true and R is the correct ... is not a correct explanation of A C. A is true but R is false D. A is false but R is true
Description : Antisyphonage pipe is fitted A. At the end of septic tanks B. On manholes C. With a W.C. trap D. At the beginning of sewer line
Last Answer : ANS: C
Description : The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope A. 1 in 5 B. 1 in 10 C. 1 in 15 D. 1 in 20
Description : In septic tanks, A. Free board of 0.3 m may be provided B. The baffles or tees are extended up to top level of scum C. The clear space between the baffle top and covering slab is about 7.5 cm D. All the above
Description : The rate of accumulation of sludge in septic tanks is recommended as A. 30 litres/person/year B. 25 litres/person/year C. 30 litres/person/month D. 25 litres/person/month
Description : Which one of the following statements regarding septic tanks is wrong? A. A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided B. The outlet invert level is kept ... . The minimum width of septic level is 90 cm D. The depth of tank is kept equal to its width
Description : Pick up the incorrect statement from the following: A. Septic tanks are horizontal continuous flow type of sedimentation tanks B. Septic tanks are generally provided a detention period of 12 to 36 hours C ... covered and high vent shafts are provided for the escape of foul gases D. None of these
Description : Septic Tanks
Last Answer : Septic tank. The term doesn't ring happy thoughts or images, does it? But it should. A septic tank is the lifeline, heart and soul of any septic system. Without a stable septic system, society will ... to set up your own private septic system, then do a good job with it and clean it regularly.
Description : Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal (A) By chemical coagulation (B) In sedimentation tanks equipped with mechanical scrapper (C) In vacuum filter (D) In clarifiers
Last Answer : (B) In sedimentation tanks equipped with mechanical scrapper
Description : Main component of sewage gas produced during anaerobic decomposition of organic waste (by suitable bacteria) during sewage disposal is (A) H2 (B) CH4 (C) CO2 (D) N2
Last Answer : (B) CH4
Description : The effluent of a septic tank is A. Fit for discharge into any open drain B. Foul and contains dissolved and suspended solids C. As good as that from a complete treatment D. None of these
Description : Select the correct statement from the following. (a) Biogas is produced by the activity of aerobic bacteria on animal waste. (b) Methanobacterium is an aerobic bacterium found in rumen of ... sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.
Last Answer : (d) Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.
Description : Assertion: Warm and moist environment can enhance the rate of decomposition Reason: Warm and moist climate leads to create anaerobic condition which p
Last Answer : Assertion: Warm and moist environment can enhance the rate of decomposition Reason: Warm and moist climate ... and Reason are false, then mark (4)
Description : Bacterial decomposition of biological material under anaerobic condition is – (1) fermentation (2) fertilization (3) contamination (4) composting
Last Answer : (1) fermentation Explanation: Fermentation is the process by which complex organic compounds, such as glucose, are broken down by the action of enzymes into simpler com-pounds in the absence ... carbon dioxide by fermentation. Fermentation is used to produce wine, beer, yogurt and other products.
Description : Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other ... of A C. A is true but R is false D. A is false but R is true
Description : The slow rate of decomposition of fallen logs in nature is due to their (a) anaerobic environment around them (b) low cellulose content (c) low moisture content (d) poor nitrogen content.
Last Answer : (d) poor nitrogen content.
Description : Which one of the following processes during decomposition is correctly described? (a) Catabolism - Last step in the decomposition under fully anaerobic condition (b) Leaching - Water soluble inorganic ... of a dark coloured substance humus which undergoes microbial action at a very fast rate.
Last Answer : (c) Fragmentation – Carried out by organisms such as earthworm
Description : Bacterial decomposition of biological material under anaerobic condition is (1) fermentation (2) fertilization (3) contamination (4) composting
Last Answer : fermentation
Description : Steam distillation is used to (A) Reduce the number of plates (B) Avoid thermal decomposition of a component (C) Increase the efficiency of separation (D) Increase the total pressure of distillation
Last Answer : (B) Avoid thermal decomposition of a component
Description : What is the difference between aerobic and anaerobic respiration?
Last Answer : A: Aerobic respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water, while anaerobic respiration is the process by which cells convert glucose into energy without the presence of oxygen.
Last Answer : A: Aerobic respiration requires oxygen and produces more ATP (energy) than anaerobic respiration, which does not require oxygen and produces less ATP.
Last Answer : A: Aerobic respiration requires oxygen and produces a large amount of ATP, while anaerobic respiration occurs in the absence of oxygen and produces a smaller amount of ATP.
Last Answer : A: Aerobic respiration requires oxygen and produces more ATP than anaerobic respiration, which occurs in the absence of oxygen and produces less ATP.
Last Answer : A: Aerobic respiration requires oxygen and produces more ATP, while anaerobic respiration does not require oxygen and produces less ATP.
Last Answer : A: Aerobic respiration requires oxygen, while anaerobic respiration does not.
Description : I want to increase my fitness. Is it better to do anaerobic exercise before or after aerobic exercise?
Last Answer : answer:Why not a combination of both? I am a fierce believer of circuit work out. I do a routine called the 300. 6 exercises, 50 reps each - within 30 minutes. Do that today and let me know if you don't ... is assuming you go 5 days a week. You are going 5 days a week right? :P Have a good workout.
Description : What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration. -Biology
Last Answer : The food material taken in during the process of nutrition is used in cells to provide energy for various life processes. Diverse organisms do this in different ways – some use oxygen to ... The release of energy in this aerobic process is a lot greater than in the anaerobic process.
Description : What are the differences between aerobic and anaerobic respiration ? Name some organisms that use the anaerobic mode of respiration. -Biology
Last Answer : Aerobic respiration Anaerobic respiration 1. It takes place in the presence of oxygen. 1. It takes place in the absence of oxygen. 2. Complete breakdown of food occurs in aerobic ... is produced in anaerobic respiration. Some organisms which use anaerobic respiration are yeast, bacteria etc.
Description : Difference between Aerobic respiration and Anaerobic respiration. -Biology
Last Answer : answer:
Description : What is the difference between aerobic and anaerobic respiration in plants -Biology
Description : Why anaerobic respiration is less efficient than aerobic respiration. -Biology
Description : Why anaerobic respiration is less efficient than aerobic respiration? -Biology
Description : What is the difference between aerobic and anaerobic respiration in plants? -Biology