Description : D-Mannose is present in some plant products like (A) Resins (B) Pectins (C) Mucilage (D) Gums
Last Answer : D
Description : Size reduction of __________ is accomplished in steam heated rollers and roll crushers. (A) Resins (B) Gums (C) Hard rubber (D) Waxes
Last Answer : (C) Hard rubber
Description : Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. (A) Cage (B) Hammer (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. (A) Epoxy (B) Phenol formaldehyde (C) Urea formaldehyde (D) Melamine formaldehyde
Last Answer : (C) Urea formaldehyde
Description : Cation exchange resins used in water treatment is made from __________ resin. (A) Urea formaldehyde (B) Epoxy (C) Amino (D) Phenolic
Last Answer : (A) Urea formaldehyde
Description : A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved ... Siloxane elastomers (B) Polyamides (C) Vinyl polymers (D) Urea-formaldehyde resins
Last Answer : (D) Urea-formaldehyde resins
Description : __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. (A) Epoxy (B) Amino (C) Alkyd (D) Phenolic
Last Answer : (B) Amino
Description : Thermoplastic resins usually (A) Remain hard as long as they are hot (B) Cannot be reclaimed from waste (C) Permanent setting resins (D) Less brittle than thermosetting resins
Last Answer : (D) Less brittle than thermosetting resins
Description : A waste product in the metabolism of glucose in cells is: w) oxygen x) methane y) carbon dioxide z) urea
Last Answer : ANSWER: C -- CARBON DIOXIDE
Description : The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of (a) urea (b) calcium carbonate (c) ammonia (d) potassium urate.
Last Answer : (d) potassium urate.
Description : What Remove waste and excess material from the body and excretes?
Last Answer : What is the answer ?
Description : Use of an artificial kidney during hemodialysis may result in (A) Nitrogenous waste build-up in the body (B) Non-elimination of excess potassium ions (C) Reduced absorption of calcium ions from gastro-intestinal tract (D) ... are correct. (c) (B) and (C) are correct. (d) (C) and (D) are correct.
Last Answer : d) (C) and (D) are correct.
Description : Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by (A) Biological oxygen pond (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) (C) Lagoons (D) Filtration
Last Answer : (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)
Description : . In Hydra, waste material of food digestion and nitrogenous waste material are removed respectively from (a) mouth and mouth (b) body wall and body wall (c) mouth and body wall (d) mouth and tentacles
Last Answer : c) mouth and body wall
Description : During conversion of ammonium carbamate into urea, presence of large excess of water (A) Increases the yield of urea (B) Adversely affects the yield of urea (C) Reduces the evaporator load by diluting the urea solution (D) Does not affect the yield of urea
Last Answer : (B) Adversely affects the yield of urea
Description : The 'used dialysing' solution is rich in: (a) Urea and excess salts (b) Blood cells (c) Lymph (d) Proteins
Last Answer : (a) Urea and excess salts
Description : Occurrence of excess urea in blood due to kidney failure is
Last Answer : Occurrence of excess urea in blood due to kidney failure is A. Urochrome B. Uraemia C. Uricotelism D. Ureotelism
Description : The composition of fresh feed to the high temperature, high pressure urea autoclave is (A) Excess liquid ammonia and liquefied CO2 (B) Excess liquid ammonia and compressed CO2 gas (C) Liquid ammonia and excess compressed CO2 (D) Compressed ammonia gas and excess compressed CO2
Last Answer : (B) Excess liquid ammonia and compressed CO2 gas
Description : Lower temperature and large excess of ammonia in urea melt (A) Increases biuret formation (B) Decreases biuret formation (C) Is undesirable (D) Does not effect biuret formation
Last Answer : (B) Decreases biuret formation
Description : Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. (A) Increased biuret formation (B) High corrosion rate (C) Increased cost of equipment (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : In kidney failure condition urea can be removed by ____process.
Last Answer : In kidney failure condition urea can be removed by ____process.
Description : Mechanism by which NH3 is removed from the kidneys is (A) Urea formation (B) Uric acid formation (C) Creatinine formation (D) None of these
Last Answer : Answer : D
Description : NH3 is removed from brain mainly by (A) Creatinine formation (B) Uric acid production (C) Urea formation (D) Glutamine formation
Description : In ornithine cycle, which of the following wastes are removed from the blood? (a) CO2 and urea (b) Ammonia and urea (c) CO2 and ammonia (d) Urea and urine
Last Answer : (c) CO2 and ammonia
Description : Removal of metabolic waste in the form of urea is called
Last Answer : Removal of metabolic waste in the form of urea is called A. Ammoniotelism B. Ureotelism C. Uricotelism D. Aminotelism
Description : Nitrogenous waste products are eliminated mainly as (a) urea in tadpole and ammonia in adult frog (b) ammonia in tadpole and urea in adult frog (c) urea in both tadpole and adult frog (d) urea in tadpole and uric acid in adult frog.
Last Answer : (b) ammonia in tadpole and urea in adult frog
Description : The ornithine cycle removes two waste products from the blood in liver. These products are (a) CO2 and ammonia (b) ammonia and uric acid (c) CO2 and urea (d) ammonia and urea.
Last Answer : a) CO2 and ammonia
Description : Which of the following is NOT a nitrogenous waste compound excreted by animals? a) urea b) ammonia c) uric acid d) pyridine
Last Answer : ANSWER: D -- PYRIDINE
Description : Which of the following is the main nitrogenous waste in humans ? (1) Ammonia (2) Urea (3) Uric Acid (4) Ammonium Nitrate
Last Answer : Uric Acid
Description : The parts of human body affected by Pyria are: (1) eyes (2) small intestine (3) teeth and gums (4) large intestine
Last Answer : (3) teeth and gums Explanation: Pyria, or periodontal disease, is a progressive gum disease characterized by inflammation resulting from the toxins found in plaque. It leads to bleeding of the gums. ... to tooth loss or infection in other areas of the body as the bacteria travels by bloodstream.
Last Answer : teeth and gums
Description : _________ stores excess of water and waste products in a cell. a) ribosome b)vacuole c) golgi complex d)plastid
Last Answer : b)vacuole
Description : Commercial Vaseline is derived from - (1) plant gums (2) coal tar (3) wool wax (4) petroleum
Last Answer : (4) petroleum Explanation: Vaseline is a brand of petroleum jelly based products owned by Anglo-Dutch company Unilever. While Vaseline can be used as a lubricant, it is also a ... insulator for local skin conditions characterized by tissue dehydration. Vaseline helps protect minor cuts and burns.
Description : Commercial Vaseline is derived from (1) plant gums (2) coal tar (3) wool wax (4) petroleum
Last Answer : petroleum
Description : Bleaching of a fabric cloth is done using A and excess of chlorine is removed using B.A and B are :
Last Answer : Bleaching of a fabric cloth is done using A and excess of chlorine is removed using B.A and B are : A. `CaOCl_( ... D. `CaOCl_(2), Na_(2) S_(2)O_(3)`
Description : When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present as impurity. This can be removed as slag during
Last Answer : When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present ... a basic flux D. CaO, which is a basic flux
Description : How should excess solder be removed from a hot soldering iron?
Last Answer : By use of a cleaning cloth.
Description : The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by (A) Biological oxygen pond (B) Aerated lagoons (C) Trickling filters (D) Gravity separator having oil skimming devices
Last Answer : (D) Gravity separator having oil skimming devices
Description : Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to ... without any treatment (C) Diluted with fresh water to reduce its acidity (D) None of these
Last Answer : (A) Neutralised by alkali treatment
Description : Which one of the following pair of waste substances is removed from blood in ornithine cycle `:`
Last Answer : Which one of the following pair of waste substances is removed from blood in ornithine cycle `:` A. ` ... CO_(2)` and ammonia D. Urea and sodium salt
Description : Which one of the following pair of waste substances is removed from blood in omithine cycle
Last Answer : Which one of the following pair of waste substances is removed from blood in omithine cycle A. `CO_(2) ... CO_(2)` and ammonia D. Urea and sodium sail
Description : How can metals be removed from aqueous waste streams?
Last Answer : Precipitation is widely used to remove metals from waste streams. The soluble heavy-metal salts can be converted to insoluble salts that will precipitate and can then be removed by clarification, filtration, or settling.
Description : How can hexavalent chromium be removed from aqueous waste streams?
Last Answer : One option is to use ferrous sulfate to reduce the hexavalent chromium to a less toxic, trivalent chromium form that wills precipitate out of the solution. Trivalent chromium can then be reduced by sodium hydroxide.
Description : How can arsenic be removed from aqueous waste streams? Often times, ferric chloride is added to such a stream. The ferric chloride aids in the formation
Last Answer : Often times, ferric chloride is added to such a stream. The ferric chloride aids in the formation of floc to agglomerate fine arsenic particles that can then be removed by mechanical means.
Description : Silicone resins, which are highly water repellent and has good heat resistance cannot be used (A) As room temperature adhesive (B) As grease & lubricant
Last Answer : (A) As room temperature adhesive
Description : Identify the incorrect statement. (a) Heartwood does not conduct water but gives mechanical support. (b) Sapwood is involved in conduction of water and minerals from root to leaf. (c) Sapwood is the innermost ... . (d) Due to deposition of tannins, resins, oils, etc., heartwood is dark in colour.
Last Answer : (c) Sapwood is the innermost secondary xylem and is lighter in colour
Description : An Afro-Carribean male aged 48 years presents with gradual onset of exertional dyspnoea, non productive cough, malaise, weight loss and polyarthralgia. Schirmers test indicates a dry eye. X-ray ... 2) Serum phosphorus 3) Urea and electrolytes 4) Thallium Scan 5) Quantitative Immunoglobulins.
Last Answer : Answers-4 This condition is sarcoidosis. Serum calcium, Serum phosphorus, Chem7 and Chem 20 and Quantitative Immunoglobulins are all used in establishing the diagnosis. Gallium scan is helpful in ... areas of poor perfusion. It is particularly used in cardiology to detect areas of ischaemia.
Description : The ease of adsorption of the hydrated alkali metal ions on ion-exchange resins follows the order:
Last Answer : The ease of adsorption of the hydrated alkali metal ions on ion-exchange resins follows the order: A. `K^(+)lt Na + ... (+)lt K^(+)lt Na^(+)lt Li^(+)`