Description : Production of alcohol from organic compounds by microorganisms is known as (1) Combustion (2) Fermentation (3) Anaerobic: respiration (4) Aerobic respiration
Last Answer : (3) Anaerobic: respiration Explanation: The process of breaking down large molecules into simpler one in the presence of enzyme is called fermentation.
Description : Production of alcohol from organic compounds by microorganisms is known as (1) Combustion (2) Fermentation (3) Anaerobic respiration (4) Aerobic respiration
Last Answer : Fermentation
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 : Fermentation of molasses to produce ethyl alcohol is done at __________ °C. (A) 20 - 30 (B) < - 5 (C) 100 - 150 (D) 250 - 300
Last Answer : (A) 20 - 30
Description : Fermentation is a type of ______ process. (1) Aerobic Respiration (2) Anaerobic Respiration (3) Exothermic Reaction (4) Transpiration
Last Answer : (2) Anaerobic Respiration Explanation: Fermentation in food processing is the process of converting carbohydrates to alcohol or organic acids using microorganisms—yeasts or bacteria—under anaerobic conditions. It also occurs in oxygenstarved muscle cells, as in the case of lactic acid fermentation.
Description : Fermentation is a type of ________ process . (1) Aerobic Respiration (2) Anaerobic Respiration (3) Exothermic Reaction (4) Transpiration
Last Answer : Exothermic respiration
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 : If cells can use oxygen in cellular respiration it is called _____. a. Anaerobic Respiration b. Alcoholic Fermentation c. Acid Fermentation d. Aerobic Respiration
Last Answer : c. Acid Fermentation
Description : The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.
Last Answer : c. Aerobic Respiration.
Description : The method used to obtain alcohol from molasses is called – (1) distillation (2) hydrolysis (3) fermentation (4) oxidation
Last Answer : (3) fermentation Explanation: On industrial scale, ethanol can be prepared by the fermentation of molasses. Molasses is the mother liquor left after the crystallization of sugarcane juice. It is a dark colored viscous liquid. Molasses contains about 60% fermentable sugar.
Description : The method used to obtain alcohol from molasses is called (1) distillation (2) hydrolysis (3) fermentation (4) oxidation
Last Answer : fermentation
Description : Fermentator temperature during production of alcohol from molasses is around __________ °C. (A) 5 (B) 30 (C) 130 (D) 300
Last Answer : (B) 30
Description : The two enzymes present in yeast that are responsible for the formation of ethylalcohol from molasses in the fermentation process are
Last Answer : The two enzymes present in yeast that are responsible for the formation of ethylalcohol from molasses ... C. Zymase, diastase D. Invertase, maltase
Description : Assertion(A): In the fermentation process of molasses, along with yeast `(NH_(4))_(2)SO_(4), (NH_(4))_(3) PO_(4)` is added Reason (R): `(NH_(4))_(3)PO
Last Answer : Assertion(A): In the fermentation process of molasses, along with yeast `(NH_(4))_(2)SO_(4), (NH_(4))_ ... but R is false D. A is false but R is true
Description : The fermenter used for the production of ethyl alcohol from molasses is made of (A) Wood (B) Concrete (C) Copper bearing steel (D) Porcelain
Last Answer : (C) Copper bearing steel
Description : Fusel oil is a/an (A) Essential oil (B) Extract from medicinal herbs (C) Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses). (D) None of these
Last Answer : (C) Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).
Description : Molasses is the starting material for the production of (A) Alcohol (B) Essential oil (C) Fatty acids (D) Massecuite
Last Answer : (A) Alcohol
Description : . Starting material for the commercial production of ethyl alcohol in India is (A) Rice (B) Molasses (C) Fruit of Mahua tree (D) Maize
Last Answer : (B) Molasses
Description : Septic tanks are used for the __________ of the deposited solids. (A) Separation (B) Anaerobic decomposition (C) Aerobic decomposition (D) None of these
Last Answer : (B) Anaerobic decomposition
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 : __________ is produced using molasses as the starting raw material. (A) Methyl alcohol (B) Ethyl alcohol (C) Benzol (D) Dimethyl ether
Last Answer : (B) Ethyl alcohol
Description : The temperature range necessary for fermentation of molasses is
Last Answer : 308 K to 313K.
Description : The process used for the manufacture of ethyl alcohol from molasses is (A) Distillation (B) Dehydration (C) Dehydrogenation (D) None of these
Last Answer : (D) None of these
Description : The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called (a) glycolysis (b) fermentation (c) aerobic respiration (d) photorespiration.
Last Answer : (b) fermentation
Description : Styrene which is a monomer for the production of polystyrene, is commercially produced by the (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch
Last Answer : (A) Catalytic dehydrogenation of ethyl benzene
Description : Styrene (a monomer for the production of polystyrene) is commercially produced by (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch
Description : Fermenter used in the production of penicillin by deep fermentation process is a __________ lined steel vessel (A) Rubber (B) Monel (C) Glass (D) Nickel
Last Answer : (C) Glass
Description : Air used in aerobic fermentation must be sterilized, otherwise the (A) Recovery of product will be difficult (B) Contamination of pure culture would result (C) Uniformity of product cannot be achieved (D) None of these
Last Answer : (B) Contamination of pure culture would result
Description : Common step for both aerobic and anaerobic respiration. -Biology
Last Answer : answer:
Description : A 67-year-old male presents with an intraabdominal abscess secondary to perforated sigmoid diverticulitis. The following statement(s) is/are true concerning his intraabdominal abscess. a. Culture will ... gram-negative enteric bacilli d. The most common anaerobic islet will be a Bacteroides species
Last Answer : Answer: b, c, d Typically an intraabdominal infection results in perforation of a hollow viscus and the ensuing contamination of a normally sterile peritoneal cavity. The normal ... Bacteroides species (especially B. fragilis, Clostridium), and anaerobic cocci are most consistently isolated
Description : The treatment of the following patient should include: a. Initial empiric therapy directed against both aerobes and anaerobes b. The addition of anti-fungal therapy in an elderly patient ... therapy is appropriate if the agents selected possess activity against both aerobic and anaerobic bacteria
Last Answer : Answer: a, e The primary treatment for a perforated viscus is surgical, however antimicrobial therapy is an extremely important adjunct. Empiric antibiotic therapy for secondary ... whereas longer periods are indicated for immunosuppressed patients and with patients with extensive contamination
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 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 : Entner-Doudoroff pathway is found in A-aerobic prokaryotes B- anaerobic prokaryotes C- both (a) and (b) D-aerobic eukaryotes
Last Answer : both (a) and (b)
Description : Humans can produce energy by: a) anaerobic respiration b) aerobic respiration c) neither anaerobic nor aerobic respiration d) both anaerobic and aerobic respiration
Last Answer : ANSWER: D -- BOTH ANAEROBIC AND AEROBIC RESPIRATION
Description : What is the main purpose of fermentation in cells? a) production of ATP b) hydrolysis of starch c) production of alcohol d) burning of hydrogen with oxygen
Last Answer : ANSWER: A -- PRODUCTION OF ATP
Description : Alcohol percentage in molasses may be around (A) 10 (B) 40 (C) 70 (D) 85
Last Answer : (B) 40
Description : Raw material used in alcohol distilleries in India is (A) Molasses (B) Benzol (C) Methylated spirit (D) None of these
Last Answer : (A) Molasses
Description : Ethyl alcohol cannot be produced (A) From waste sulphite substrate of paper mills (B) By Esterification and hydrolysis of ethylene (C) From molasses (D) None of these
Description : Fourdrinier machine is used in the manufacture of (A) Sugar (B) Paper (C) Alcohol from molasses (D) Phenol formaldehyde
Last Answer : (B) Paper
Description : What is the difference between anaerobic respiration and fermentation ?
Last Answer : Abat respiration 1. It occurs in living cells. 2. Is in higher class plants. 3. No medium is required. 4. Glucose is used internally. 5. Efficacy of enzymes like carboxylase , dehydrogenase etc. ... . 5. Efficacy of an enzyme called Zyzyme occurs. . Alcohol and CO2 are stored outside the cell.
Description : During glycolysis of glucose the energy liberated in the absence of oxygen is known as (A) Oxygenesis (B) Glyconeogenesis (C) Glycogenolysis (D) Anaerobic fermentation
Last Answer : Answer : D
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 : . Anaerobic fermentation of animal excreta leads to generation of a) Petrol b) Diesel c) Natural gas d) Methane
Last Answer : Methane
Description : Bacterial decomposition of biological material under anaerobic condition is (1) fermentation (2) fertilization (3) contamination (4) composting
Description : Difference between Aerobic respiration and Fermentation? -Biology
Description : NADH is oxidised to `NAD^(+)` rather slowly in fermentation, however the reaction is very vigorous in case of aerobic respiration
Last Answer : NADH is oxidised to `NAD^(+)` rather slowly in fermentation, however the reaction is very vigorous in case of aerobic respiration
Description : Fermentation accounts for only a partial breakdown of glucose whereas in aerobic respiration it is completely degrated to `CO_(2)` and `H_(2)O`.
Last Answer : Fermentation accounts for only a partial breakdown of glucose whereas in aerobic respiration it is completely degrated to `CO_(2)` and `H_(2)O`.