Description : ‘Why excessive heating and repeated use of cooking oil are most undesirable? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil
Last Answer : (2) Carcinogenic substances like benzpyrene are produced Explanation: Repeated use of cooking oil at high temperatures will cause the hydraulic fat into free fatty acids are easily oxidized, so ... experts recommend eating foods that contain saturated fat less than 10 percent of the daily intake.
Description : Why excessive heating and repeated use of cooking oil is most undesirable? (1) The oil vapours can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil
Last Answer : Carcinogenic substances like benzpyrene are produced
Description : Deep fried food materials are carcinogenic because they are rich in - (1) Fats (2) Hydrocarbons (3) Cooking oil (4) Nicotine
Last Answer : (2) Hydrocarbons Explanation: If foods are overheated or burnt, a group of carcinogenic substances called polycyclic aromatic hydrocarbons (PAHs) are produced. PAHs represent a very large group of ... , PAHs can be absorbed in the intestine and distributed to other organs through blood circulation.
Description : Deep fried food materials are carcinogenic because they are rich in (1) Fats (2) Hydrocarbons (3) Cooking oil (4) Nicotine
Last Answer : Hydrocarbons
Description : What substances cause indoor pollution?
Last Answer : What is the answer ?
Description : Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause (A) Explosion (B) Non biodegradable foam (C) Undesirable plant growth (D) Corrosion
Last Answer : (A) Explosion
Description : Which of the following is an undesirable property for an absorbingsolvent? (A) Low vapour pressure (B) Low velocity (C) Low freezing point (D) None of these
Last Answer : (D) None of these
Description : Which of the following is an undesirable property of a manometricliquid? (A) Non-sticky & non-corrosive nature (B) High vapour pressure (C) Low viscosity & surface tension (D) Low co-efficient of thermal expansion
Last Answer : (B) High vapour pressure
Description : Cost of abnormal wastage is: (a) Charged to the product cost (b) Charged to the profit & loss account (c) charged partly to the product and partly profit & loss account (d) not charged at all.
Last Answer : (b) Charged to the profit & loss account
Description : Exposure to chemicals having carcinogenic properties cause (A) Dermatitis (skin disorder) (B) Cancer (C) Asphyxiation (suffocation) (D) Asthma
Last Answer : (B) Cancer
Description : Exposure to chemicals having carcinogenic properties cause (A) Dermatitis (skin disorder) (B) Cancer (C) Asphyxiation (D) Asthma
Description : Carcinogenic air pollutants cause (A) Bone decay (B) Cancer (C) Asphyxiation (suffocation) (D) Anemia
Description : Benzpyrene is ingredient of
Last Answer : Benzpyrene is ingredient of A. Wood smoke and tobacco smoke B. Automobile exhausts C. Coal tar D. All the above
Description : What nutrient carries substances throughout the body?
Description : The substances that cause air pollution are 1. Smoke 2. Sulphur dioxide 3. Argon 4. Carbon monoxide The correct answers are: (a) 1, 2 and 3 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 4
Last Answer : Ans:(d)
Description : Following information is available of PQR for year ended March, 2013: 4,000 units in process, 3,800 units output, 10% of input is normal wastage, Rs. 2.50 per unit is scrap value and Rs. 46,000 incurred towards total process cost ... be:- (a) Rs. 2,500 (b) Rs. 2,000 (c) Rs. 4,000 (d) Rs. 3,500
Last Answer : (a) Rs. 2,500
Description : Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil. (A) Nutrient supply (B) Texture (C) Water holding capacity (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Q.3. Suggest any three ways you can think of to avoid wastage of food. -Science
Last Answer : Here's How You Can Avoid Food Wastage:Use Up The Leftovers. If you often spot food leftovers lying in the fridge, this one's for you. ...Learn The Label Lingo. ...Be Quirky With Fruits And Vegetables ... 's Temperature. ...Shop With A List And Stick To It. ...Proper Storage. ...Practice FIFO.
Description : When you are invited for a feast, then you have the idea that Options: A) Do wastage of food in order to pay the gift or money on the occasion B) It is an opportunity to take food ... the basis of relations and affinity D) Never waste any food particle whether you are at home or in feast
Last Answer : C) That families should join such parties on the basis of relations and affinity
Description : Is propane gas stove safe for indoor cooking?
Last Answer : No. It is not safe for Indoor cooking due to the danger of fire and emission of carbon monoxide from burning fuel and the effects of carbon monoxide exposure.
Description : An example of an activity which causes indoor air pollution is
Last Answer : cooking / cleaning.
Description : Mention some sources of indoor air pollution.
Last Answer : Molds and bacteria, carpets and upholstery, pollen, tobacco, pesticides and fumes from chemicals, dust mites, pets, animal hair and dead skin.
Description : Give reason: Air pollution is not an outdoor phenomenon but also an indoor phenomenon.
Last Answer : Just as various factors outside the house cause air pollution, activities like cooking, cleaning also causes indoor air pollution.
Description : Hypersensitivity refers to undesirable reactions produced by a) circulatory system b) Respiratory system c) Immune System d) Endocrine system e) Autonomic nervous system
Last Answer : Ans: C
Description : List the undesirable effects produced by certain combination of rotor and stator slots.
Last Answer : 1. The motor may refuse to start (cogging) 2. The motor may run at sub synchronous speed (Crawling) 3. Severe vibrations may develop and the noise will be excessive.
Description : __________ is the undesirable by-product produced in the manufacture of urea. (A) Ammonium carbonate (B) Biuret (C) Carbon dioxide (D) Ammonium carbamate
Last Answer : (B) Biuret
Description : Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore? (A) High fusibility & fluidity (B) High thermal conductivity (C) Low density (D) High chemical activity
Last Answer : B) High thermal conductivity
Description : A headless man had a letter to write; It was read by a man who had lost his sight. The dumb repeated it word for word; And deaf was he who listened and heard.Solve this riddle. -Riddles
Last Answer : The letter in question is the letter 'O'. It is zero. The man had nothing to write. The blind could read nothing. The person who was dumb could repeat nothing. The deaf man listened and heard nothing.
Description : Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body. (a) Erythrocytes (b) Leucocytes (c) Neutrophils (d) Thrombocytes
Last Answer : (d) Thrombocytes
Description : Pick out the undesirable property for a solvent meant for dewaxing of lube oil. (A) Complete miscibility with oil (B) High solubility of wax in the solvent (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : The most commonly used substances in fluorescent tubes are (a) sodium oxide and argon (b) sodium vapour and neon (c) mercury vapour and argon (d) mercuric oxide and neon
Last Answer : Ans:(c)
Description : The substances which are capable of re- moving water vapour from, other supstances are called?
Last Answer : Drying agents
Description : In the pressure cooker, cooking is faster because the increase in vapour pressure - (1) increase the specific heat (2) decreases the specific heat (3) decreases the boiling point (4) increases the boiling point
Last Answer : (4) increases the boiling point
Description : While cooking food, the compounds lost to the maximum extent are (a) fats (b) carbohydrates (c) proteins (d) vitamins
Description : Which of the following statements is correct in relation to the endocrine system? (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as ... in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.
Last Answer : (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones.
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
Last Answer : ANS: A
Description : Which of the following agricultural practices have been primarily responsible for pollution of our water resources ? A. Use of live-stock manure B. Use of chemical fertilisers C. Excessive use of chemical pesticides D. Deforestation (1) B and C (2) A, C and D (3) A and B (4) A, B and D
Last Answer : B and C
Description : Arsenic concentration has been on an increase in the ground water of certain areas in Bihar and West Bengal due to: 1. acid rain 2. excessive pumping of ground water 3. industrial pollution 4. leaching of agricultural land The correct ... ) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only
Last Answer : Ans:(a)
Description : Thermal pollution due to excessive heat & temperature in the working place causes (A) Reduction in working efficiency of manpower (B) Fatigue (C) High breathing rate (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : The non-nutrient chemicals which acts as intercellular messengers and are produced in trace amounts are known as
Last Answer : The non-nutrient chemicals which acts as intercellular messengers and are produced in trace amounts are ... Enzymes B. Mucous C. Hormones D. None
Description : A bio-catalyst produced by living cells which acts independent of the cell is called a/an (A) Substrate (B) Enzyme (C) Nutrient (D) None of these
Last Answer : (B) Enzyme
Description : Is sassafras carcinogenic?
Last Answer : I learned in my herbal medicine class that it was indeed carcinogenic. Im sorry I dont have more info than that though, I never ever really looked into it. But if your indeed looking to brew ... root beer. I'd try following virgils recipe. You could also use sarsaparilla, that tastes pretty good.
Description : Is carbon dioxide carcinogenic?
Last Answer : no
Description : Is burnt toast carcinogenic?
Last Answer : Absolutely not !
Description : What is meant by Carcinogenic?
Last Answer : Those agents or substances which cause cancer in the body tissues, are called as carcinogenic.
Description : Green potato tuber is inedible due to: a. Carcinogenic b. Hardness c. Hollowness d. None of above
Last Answer : Carcinogenic
Description : High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes (A) Cancer (B) Silicosis (C) Respiratory disease (e.g., asthma) (D) Reduced crop yield
Last Answer : (A) Cancer
Description : Which of the following types of lung cancer is the most prevalent carcinoma of the lung for both men and women? a) Adenocarcinoma Adenocarcinoma presents more peripherally as peripheral masses or ... arise primarily as proximal lesions, but may arise in any part of the tracheobronchial tree.
Last Answer : a) Adenocarcinoma Adenocarcinoma presents more peripherally as peripheral masses or nodules and often metastasizes.
Description : Which of the following reasons are responsible for adoption of post-chlorination of water? 1. Chlorine demand is reduced. 2. Possibility of taste and odour formation is reduced. 3. Possibility of carcinogenic compounds is reduced. 4. Chloramines ... b) 1, 2 & 3 only (c) 1, & 4 only (d) 2, 3 & 4 only
Last Answer : (c) 1, & 4 only
Description : If Organic sources of carcinogenic compounds in water persist even after chlorination, then what is the correct sequence among treatment processes listed below if all these are considered compulsory ? 1. Coagulation 2. Sedimentation 3. Filtration in ... c) 4- 2- 3- 1- 5 and 6 d) 1-5-2-3-4 and 6
Last Answer : d) 1-5-2-3-4 and 6