Description : Why is Carbon Monoxide a pollutant? (1) Reacts with haemoglobin (2) Makes nervous system inactive (3) It reacts with Oxygen (4) It inhibits glycolysis
Last Answer : (1) Reacts with haemoglobin Explanation: Carbon monoxide (CO) is considered a pollutant since it is toxic to hemoglobic animals (including humans) when encountered in concentrations above about 35 ppm ... to bodily tissues. A level of 50% carboxyhemoglobin may result in seizure, coma, and fatality.
Description : Carbon monoxide is a pollutant because (a) reacts with haemoglobin (b) makes nervous system inactive (c) it reacts with O2 (d) it inhibits glycolysis.
Last Answer : (a) reacts with haemoglobin
Description : Carbon monoxide is pollutant as it a) Inactivates nerves b) Inhibits glycolysis c) Combines with oxygen d) Combines with haemoglobin.
Last Answer : d) Combines with haemoglobin.
Description : An example of major air pollutant is – (1) Oxygen (2) Carbon monoxide (3) Helium (4) Carbon dioxide
Last Answer : (2) Carbon monoxide Explanation: Carbon monoxide (CO) is a colourless, odorless, non-irritating but very poisonous gas which is a product by incomplete combustion of fuel such as natural gas, coal or wood. Vehicular exhaust is a major source of carbon monoxide.
Description : An example of major air pollutant is (1) Oxygen (2) Carbon monoxide (3) Helium (4) Carbon dioxide
Last Answer : Carbon monoxide
Description : Carbon monoxide has how much greater affinity for haemoglobin as compared to oxygen? -Do You Know?
Last Answer : answer:
Description : Carbon monoxide has greater affinity for haemoglobin as compared to oxygen :
Last Answer : Carbon monoxide has greater affinity for haemoglobin as compared to oxygen : A. 1000 Times B. 200 Times C. 20Times D. 2 Times
Description : Biological Oxygen Demand (BOD) is a measure of: a. Industrial wastes poured into water bodies b. Extent to which water is polluted with organic compounds c. Amount of carbon monoxide inseparably combined with haemoglobin d. Amount of oxygen needed by green plants during night
Last Answer : Ans: A
Description : Haemoglobin has highest affinity for – (1) Oxygen (2) Carbon dioxide (3) Carbon monoxide (4) Nitrogen
Last Answer : (1) Oxygen Explanation: Haemoglobin has greatest affinity for oxygen with which it binds readily. The oxygen binding properties of hemoglobin exist because of the interaction between oxygen and the iron atom of the heme groups and hemoglobin's quaternary structure.
Description : Carbon monoxide has how much greater affinity for haemoglobin as compared to oxygen?
Last Answer : 200 times
Description : The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen approximately by (a) 200 times (b) 1000 times (c) 2 times (d) 20 times.
Last Answer : (a) 200 times
Description : How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues? (a) By forming a stable compound with haemoglobin (b) By obstructing the reaction of oxygen with haemoglobin (c) By changing oxygen into carbon dioxide (d) By destroying the haemoglobin
Last Answer : (a) By forming a stable compound with haemoglobin
Description : On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because (A) Of clotting of blood (B) Of jamming of respiratory tract (C) It forms carboxyhemoglobin by combining ... it incapable of absorbing oxygen (D) It forms CO2 by combining with oxygen present in the blood
Last Answer : (C) It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen
Description : Haemoglobin has highest affinity for (1) Oxygen (2) Carbon dioxide (3) Carbon monoxide (4) Nitrogen
Last Answer : Oxygen
Description : Pick out the wrong statement (A) Low ozone layer thickness in polar regions is due to cold climatic conditions (B) Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more ... can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease
Last Answer : (D) Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease
Description : Carbon monoxide is pollutant as it:
Last Answer : Carbon monoxide is pollutant as it: A. inactivates nerves B. inhibits glycolysis C. combines with oxygen D. combines with haemoglobin.
Description : The most serious air pollutant causing health hazard is – (1) Sulphur dioxide (2) Carbon monoxide (3) Ozone (4) Nitrogen oxide
Last Answer : (1) Sulphur dioxide Explanation: Sulphur dioxide (SO2) is considered as the most serious single air pollutant causing health hazard, obstructing breathing. It always leads to airways inflammation, ... , pulmonary oedema, heart failure and circulatory collapse. It is also responsible for acid rain.
Description : Which of the following auto mobile gases is not considered to be an air pollutant? (1) Carbon dioxide (2) Carbon monoxide (3) Sulfur dioxide (4) Nitrogen dioxide
Last Answer : (1) Carbon dioxide Explanation: There are mainly six air pollutants: carbon monoxide lead, ground-level ozone, nitrogen dioxide, particulate matter, and sulfur dioxide.
Description : Major aerosol pollutant in jet plane emission is (a) sulphur dioxide (b) carbon monoxide (c) methane (d) fluorocarbon.
Last Answer : (d) fluorocarbon.
Description : Which one is not a pollutant normally? (a) Hydrocarbon (b) Carbon dioxide (c) Carbon monoxide (d) Sulphur dioxide
Last Answer : (b) Carbon dioxide
Description : Major aerosol pollutant in jet plane emission is (a) sulphur dioxide (b) carbon monoxide (c) methane (d) fluorocarbon
Description : Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results ... D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere
Last Answer : (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles
Description : Carbon monoxide is a pollutant, which causes (A) Respiratory disease (e.g. asthma) (B) Asphyxiation (suffocation) leading to death (C) Retardation in crop growth (D) Damage to building materials like marble
Last Answer : (B) Asphyxiation (suffocation) leading to death
Description : Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel
Last Answer : (B) Automobiles exhaust
Description : Chief air pollutant which is likely to deplete ozone layer is a) Sulphur dioxide b) Carbon dioxide c) Carbon monoxide d) Nitrogen oxides and Fluorocarbons.
Last Answer : d) Nitrogen oxides and Fluorocarbons
Description : Which of the following is not a major pollutant from automobiles. w) carbon monoxide x) unburned hydrocarbons y) nitrous oxide z) sulfur dioxide
Last Answer : ANSWER: Z -- SULFUR DIOXIDE
Description : Identify the air pollutant in urban areas which irritates eyes and also respiratory tract of human beings. (A) Particulate matter (B) Oxides of nitrogen (C) Surface ozone (D) Carbon monoxide
Last Answer : (C) Surface ozone
Description : The most serious air pollutant causing health hazard is (1) Sulphur dioxide (2) Carbon monoxide (3) Ozone (4) Nitrogen oxide
Last Answer : Sulphur dioxide
Description : Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) (A) Acts as a green house gas thereby raising earth's ... (B) Causes asphyxia (C) Causes increase in sea level (D) Enhances the green house effect
Last Answer : (B) Causes asphyxia
Description : Carboxy haemoglobin is formed when haemoglobin combines with a) carbon dioxide b)CFCs c)carbon monoxide d)none of these
Last Answer : a) carbon dioxide
Description : Carbon monoxide kills because it destroys a) Haemoglobin b) Phytochrome c) Cytochrome d) Both a and b.
Last Answer : a) Haemoglobin
Description : Phlorizin inhibits (A) Renal tubular reabsorption of glucose (B) Glycolysis (C) Gluconeogenesis (D) Glycogenolysis
Last Answer : Answer : A
Description : Fluoride inhibits ______ and arrests glycolysis. (A) Glyceraldehyde-3-phosphate dehydrogenase (B) Aconitase (C) Enolose (D) Succinate dehydrogenase
Last Answer : C
Description : Which air pollutant affect the nervous system of man? -General Knowledge
Last Answer : The answer is 'Lead'
Description : N-acetyl cysteine is beneficial in acute paracetamol poisoning because: A. It reacts with paracetamol to form a nontoxic complex B. It inhibits generation of the toxic metabolite of ... scavenger D. It replenishes hepatic glutathione which in turn binds the toxic metabolite of paracetamol
Last Answer : D. It replenishes hepatic glutathione which in turn binds the toxic metabolite of paracetamol
Description : Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes (A) Paralysis of muscles & loss of appetite (B) Nervous depression (C) Gastritis and diarrhea (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Haemoglobin is used to transport _______ in humans. (1) Oxygen (2) Carbon Dioxide (3) Both are correct (4) Both are incorrect
Last Answer : (1) Oxygen Explanation: In human beings, the respiratory pigment is hemoglobin which has a very high affinity for oxygen. This pigment is present in the red blood corpuscles.
Description : The chemoreceptors that participate in the ventilation control are structures that collect information about the acidity and alkalinity of the blood. The information is then transmitted by nervous ... by receptors that receive pH information from the cerebrospinal fluid.) The Circulatory System
Last Answer : What is circulation?
Description : Carbon monoxide, emitted by automobiles prevents transport of oxygen in body due to
Last Answer : Carbon monoxide, emitted by automobiles prevents transport of oxygen in body due to A. ... haemoglobin D. forming stable compound with haemoglobin.
Description : Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ratio of the weights of carbon and oxygen is respectivel
Last Answer : Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ... conservation of mass D. Law of constant proportions
Description : When Carbon monoxide reduces the ability of red blood cells to carry oxygen this can lead to brain damage which 3 systems of the body interact in this situation?
Last Answer : Need answer
Description : Why are electrons shared equally in oxygen O2 but not in carbon monoxide CO?
Last Answer : Feel Free to Answer
Description : Oxygen The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide
Last Answer : ANSWER: A
Description : Helium The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide
Description : The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide
Description : It is not advisable to sleep under a tree at night because of the (a) Release of oxygen in lesser amount (b) Release of oxygen in larger amount (c) Release of carbon monoxide (d) Release of carbon dioxide
Last Answer : Ans:(d)