Pathogens (or pathogenic bacterias) in water may cause A. Typhoid B. Cholera C. Dysentery D. All the above

Pathogens (or pathogenic bacterias) in water may cause A. Typhoid B. Cholera C. Dysentery D. All the above
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Non-pathogenic bacterias cause the following water borne disease, (A) Cholera (B) Typhoid (C) Infections hepatitis (D) None of these

Description : Non-pathogenic bacterias cause the following water borne disease, (A) Cholera (B) Typhoid (C) Infections hepatitis (D) None of these

Last Answer : (D) None of these

The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known A. Bio-Chemical Oxygen Demand (B.O.D.) B. Dissolved Oxygen (D.O.) C. Chemical Oxygen Demand (C.O.D.) D. None of these

Description : The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known A. Bio-Chemical Oxygen Demand (B.O.D.) B. Dissolved Oxygen (D.O.) C. Chemical Oxygen Demand (C.O.D.) D. None of these

Last Answer : ANS: B

Chlorination of water is done for the removal of A. Bacterias B. Suspended solids C. Sediments D. Hardness

Description : Chlorination of water is done for the removal of A. Bacterias B. Suspended solids C. Sediments D. Hardness

Last Answer : ANS: A

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

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

The Brake Horse power of the motor (efficiency 60%) required for a pump of capacity 0.075 cumec for a total lift of 12 m, is A. 10 B. 15 C. 20 D. 25 Q No: 44 Aerobic bacterias A. Flourish in the presence of free oxygen B. Consume organic matter as their food C. Oxidise organic matter in sewage D. All the above

Description : The Brake Horse power of the motor (efficiency 60%) required for a pump of capacity 0.075 cumec for a total lift of 12 m, is A. 10 B. 15 C. 20 D. 25 Q No: 44 Aerobic bacterias A. ... presence of free oxygen B. Consume organic matter as their food C. Oxidise organic matter in sewage D. All the above

Last Answer : ANS: D

Hard water for public water supply is discarded because (A) It consumes more soap (B) It contains lot of turbidity (C) It contains pathogenic bacterias (D) It possesses bad taste and odour

Description : Hard water for public water supply is discarded because (A) It consumes more soap (B) It contains lot of turbidity (C) It contains pathogenic bacterias (D) It possesses bad taste and odour

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Which is TRUE about disinfectant solutions:** A. It destroys all pathogenic micro organism including high resistant B. It reduces the number of micro organism to a non infective level C. It kills all pathogens but not spores.

Description : Which is TRUE about disinfectant solutions:** A. It destroys all pathogenic micro organism including high resistant B. It reduces the number of micro organism to a non infective level C. It kills all pathogens but not spores.

Last Answer : B. It reduces the number of micro organism to a non infective level

442.Which is TRUE about disinfectant solutions:** A. It destroys all pathogenic micro organism including high resistant B. It reduces the number of micro organism to a non infective level C. It kills all pathogens but not spores.

Description : 442.Which is TRUE about disinfectant solutions:** A. It destroys all pathogenic micro organism including high resistant B. It reduces the number of micro organism to a non infective level C. It kills all pathogens but not spores.

Last Answer : B. It reduces the number of micro organism to a non infective level

Presence of __________ bacteria in water causes disease like typhoid. (A) Aerobic (B) Pathogenic (C) Anaerobic (D) Non-pathogenic

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Escherichia coli is a common gram that can be a cause of a. positive rod; hemorrhagic colitis b. negative rod; traveler‘s diarrhea c. positive coccus; typhoid fever d. negative rod; cholera

Description : Escherichia coli is a common gram that can be a cause of a. positive rod; hemorrhagic colitis b. negative rod; traveler‘s diarrhea c. positive coccus; typhoid fever d. negative rod; cholera

Last Answer : b. negative rod; traveler‘s diarrhea

Escherichia coli is a common gram that can be a cause of a. positive rod; hemorrhagic colitis b. negative rod; traveler‘s diarrhea c. positive coccus; typhoid fever d. negative rod; cholera

Description : Escherichia coli is a common gram that can be a cause of a. positive rod; hemorrhagic colitis b. negative rod; traveler‘s diarrhea c. positive coccus; typhoid fever d. negative rod; cholera

Last Answer : b. negative rod; traveler‘s diarrhea

Which of the following is a pair of viral diseases? (a) Common cold, AIDS (b) Dysentery, common cold (c) Typhoid, tuberculosis (d) Ringworm, AIDS

Description : Which of the following is a pair of viral diseases? (a) Common cold, AIDS (b) Dysentery, common cold (c) Typhoid, tuberculosis (d) Ringworm, AIDS

Last Answer : (a) Common cold, AIDS

What is the name of the syndrome of fever, abdominal cramps, and bloody mucoid stools caused by Shigella species? a. Bacterial dysentery b. Typhoid fever c. Pseudomembranous colitis d. HUS

Description : What is the name of the syndrome of fever, abdominal cramps, and bloody mucoid stools caused by Shigella species? a. Bacterial dysentery b. Typhoid fever c. Pseudomembranous colitis d. HUS

Last Answer : a. Bacterial dysentery

What is the name of the syndrome of fever, abdominal cramps, and bloody mucoid stools caused by Shigella species? a. Bacterial dysentery b. Typhoid fever c. Pseudomembranous colitis d. HUS

Description : What is the name of the syndrome of fever, abdominal cramps, and bloody mucoid stools caused by Shigella species? a. Bacterial dysentery b. Typhoid fever c. Pseudomembranous colitis d. HUS

Last Answer : a. Bacterial dysentery

The disease not transmitted by house - fly is - (a) cholera (b) enteric fever (c) dengue fever (d) dysentery

Description : The disease not transmitted by house - fly is - (a) cholera (b) enteric fever (c) dengue fever (d) dysentery

Last Answer : Ans:(d)

Pick up the correct statement from the following: A. Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers B. 4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated sewage in river C. Solubility of oxygen in sewage is 95% of that of distilled water D. All the above

Description : Pick up the correct statement from the following: A. Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers B. 4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated ... river C. Solubility of oxygen in sewage is 95% of that of distilled water D. All the above

Last Answer : ANS: D

Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Description : Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Last Answer : ANS: B

The gas which may cause explosion in sewers, is A. Carbondioxide B. Methane C. Ammonia D. Carbon monoxide

Description : The gas which may cause explosion in sewers, is A. Carbondioxide B. Methane C. Ammonia D. Carbon monoxide

Last Answer : ANS: B

An emerging pathogen associated with contaminated water is _____. a. typhoid fever b. cholera c. shigellosis d. Vibrio vulnificus

Description : An emerging pathogen associated with contaminated water is _____. a. typhoid fever b. cholera c. shigellosis d. Vibrio vulnificus

Last Answer : d. Vibrio vulnificus

Widal test is used for the diagnosis of (1) Salmonellosis (2) Malaria (3) Cholera (4) Typhoid

Description : Widal test is used for the diagnosis of (1) Salmonellosis (2) Malaria (3) Cholera (4) Typhoid

Last Answer : (4) Typhoid Explanation: The Widal, test is used to help make a presumptive diagnosis of enteric fever, also known as typhoid fever. Typhidot is the other test used to ascertain the diagnosis of typhoid fever.

The disease that is caused by virus is (1) Typhoid (2) Cholera (3) Common cold (4) Malaria

Description : The disease that is caused by virus is (1) Typhoid (2) Cholera (3) Common cold (4) Malaria

Last Answer : (3) Common cold Explanation: The common is a viral infectious disease of the upper respiratory tract which affects primarily the nose. Over 200 viruses are implicated in the cause of the common cold; the rhinoviruses are the most common.

The disease that is caused by virus is - (1) Typhoid (2) Cholera (3) Common Cold (4) Tetanus

Description : The disease that is caused by virus is - (1) Typhoid (2) Cholera (3) Common Cold (4) Tetanus

Last Answer : (3) Common Cold Explanation: Common cold is a viral infectious disease of the upper respiratory tract which affects primarily the nose. Symptoms include coughing, sore throat, runny nose, and fever ... contracting two to three colds a year and the average child contracting between-six and twelve.

Which of the following diseases usually spreads through air? (1) Plague (2) 'Typhoid (3) Tuberculosis (4) Cholera

Description : Which of the following diseases usually spreads through air? (1) Plague (2) 'Typhoid (3) Tuberculosis (4) Cholera

Last Answer : (3) Tuberculosis Explanation: Airborne diseases refers to any diseases which are caused by pathogens and transmitted through the air. These viruses and bacteria can be spread through ... some cases, including: Anthrax (inhalational), Chickenpox, Influenza, Measles, Smallpox and Tuberculosis.

If an insect that feeds on feces sits on the food you are going to eat, you are most likely to be infected by which disease? (1) Tuberculosis (2) Cholera (3) Typhoid (4) Hepatitis B

Description : If an insect that feeds on feces sits on the food you are going to eat, you are most likely to be infected by which disease? (1) Tuberculosis (2) Cholera (3) Typhoid (4) Hepatitis B

Last Answer : (3) Typhoid Explanation: Typhoid is a bacterial infection that can lead to a high fever, diarrhea, and vomiting. It can be fatal. It is caused by the bacteria Salmonella typhi.

Edward Jenner is associated with - (1) Cholera (2) Typhoid (3) Small Pox (4)Paralysis

Description : Edward Jenner is associated with - (1) Cholera (2) Typhoid (3) Small Pox (4)Paralysis

Last Answer : (3) Small Pox Explanation: Edward Anthony Jenner, (17 May, 1749 - 26 January, 1823) was an English physician and scientist from Berkeley, Gloucestershire, who was the pioneer of ... . Jenner contributed papers on angina pectoris, ophthalmia, and cardiac valvular disease and commented on cowpox.

Jonas Salk invented the vaccine for - (1) Polio (2) Hepatitis (3) Typhoid (4) Cholera

Description : Jonas Salk invented the vaccine for - (1) Polio (2) Hepatitis (3) Typhoid (4) Cholera

Last Answer : (1) Polio Explanation: Jonas Edward Salk was an American medical researcher and virologist, best known for his discovery and development of the first polio vaccine. The field trial set up to test the ... of Michigan, the monitor of the test results, "declared the vaccine to be safe and effective."

Which of the following is not a waterborne disease? A. Cholera B. Amoebiasis C. Typhoid D. Influenza (Answer)

Description : Which of the following is not a waterborne disease? A. Cholera B. Amoebiasis C. Typhoid D. Influenza (Answer)

Last Answer : D. Influenza (Answer)

Which of the following pair of diseases is caused by virus? (a) Rabies, mumps (b) Cholera, tuberculosis (c) Typhoid, tetanus (d) AIDS, syphilis

Description : Which of the following pair of diseases is caused by virus? (a) Rabies, mumps (b) Cholera, tuberculosis (c) Typhoid, tetanus (d) AIDS, syphilis

Last Answer : (a) Rabies, mumps

Which of the following sets of diseases is caused by bacteria? (a) Cholera and tetanus (b) Typhoid and smallpox (c) Tetanus and mumps (d) Herpes and influenza

Description : Which of the following sets of diseases is caused by bacteria? (a) Cholera and tetanus (b) Typhoid and smallpox (c) Tetanus and mumps (d) Herpes and influenza

Last Answer : a) Cholera and tetanus

In 1842, Edwin Chadwick's report raised the possibility that sewage spreads disease along with a ______ outbreak which began the ________ movement. a. typhoid, aseptic b. cholera, sanitation c. polio, immunization d. none of the above are correct

Description : In 1842, Edwin Chadwick's report raised the possibility that sewage spreads disease along with a ______ outbreak which began the ________ movement. a. typhoid, aseptic b. cholera, sanitation c. polio, immunization d. none of the above are correct

Last Answer : b. cholera, sanitation

Many cases of _____ have been related to raw oysters. a. botulism b. cholera c. typhoid d. food poisoning

Description : Many cases of _____ have been related to raw oysters. a. botulism b. cholera c. typhoid d. food poisoning

Last Answer : b. cholera

One of the most excessive diarrheas of the GI tract is associated with which of the following poisonings or diseases? a. Staphylococcal food poisoning b. Typhoid fever c. Cholera d. Campylobacteriosis

Description : One of the most excessive diarrheas of the GI tract is associated with which of the following poisonings or diseases? a. Staphylococcal food poisoning b. Typhoid fever c. Cholera d. Campylobacteriosis

Last Answer : c. Cholera

One of the most excessive diarrheas of the GI tract is associated with which of the following poisonings or diseases? a. Staphylococcal food poisoning b. Typhoid fever c. Cholera d. Campylobacteriosis

Description : One of the most excessive diarrheas of the GI tract is associated with which of the following poisonings or diseases? a. Staphylococcal food poisoning b. Typhoid fever c. Cholera d. Campylobacteriosis

Last Answer : c. Cholera

Ascoli's thermoprecipition test helps in confirming the laboratory diagnosis of A- tetanus B- anthrax C- typhoid D- cholera

Description : Ascoli's thermoprecipition test helps in confirming the laboratory diagnosis of A- tetanus B- anthrax C- typhoid D- cholera

Last Answer : anthrax

Match the lab with the correct set of identified diseases. a. Pasteur: tetanus and tuberculosis b. Koch: anthrax and rabies c. Koch: cholera and tuberculosis d. Pasteur: diphtheria and typhoid

Description : Match the lab with the correct set of identified diseases. a. Pasteur: tetanus and tuberculosis b. Koch: anthrax and rabies c. Koch: cholera and tuberculosis d. Pasteur: diphtheria and typhoid

Last Answer : c. Koch: cholera and tuberculosis

Widal test is used for the diagnosis of (1) Salmonellosis (2) Malaria (3) Cholera (4) Typhoid

Description : Widal test is used for the diagnosis of (1) Salmonellosis (2) Malaria (3) Cholera (4) Typhoid 

Last Answer : Typhoid

The disease that is caused by virus is (1) Typhoid (2) Cholera (3) Common Cold (4) Tetanus

Description : The disease that is caused by virus is (1) Typhoid (2) Cholera (3) Common Cold (4) Tetanus

Last Answer : Common Cold

Which of the following diseases usually spreads through air ? (1) Plague (2) Typhoid (3) Tuberculosis (4) Cholera

Description : Which of the following diseases usually spreads through air ? (1) Plague (2) Typhoid (3) Tuberculosis (4) Cholera

Last Answer : Tuberculosis

Jonas Salk invented the vaccine for (1) Polio (2) Hepatitis (3) Typhoid (4) Cholera

Description : Jonas Salk invented the vaccine for (1) Polio (2) Hepatitis (3) Typhoid (4) Cholera

Last Answer : Polio

Edward Jenner is associated with (1) Cholera (2) Typhoid (3) Small Pox (4) Paralysis

Description : Edward Jenner is associated with (1) Cholera (2) Typhoid (3) Small Pox (4) Paralysis

Last Answer : Small Pox

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 water qualities. A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true

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

Pick up the correct statement from the following: A. The water supply pipes carry pure water free from solid particles B. The water supply pipes get clogged if flow velocity is less than self cleansing velocity C. The sewers may be carried up and down the hills and valleys D. The sewer pipes are generally laid along level hills

Description : Pick up the correct statement from the following: A. The water supply pipes carry pure water free from solid particles B. The water supply pipes get clogged if flow velocity is less than self ... carried up and down the hills and valleys D. The sewer pipes are generally laid along level hills

Last Answer : ANS: A

Fresh sewage may become stale in A. One hour B. Two to three hours C. Three to four hours D. Six hours

Description : Fresh sewage may become stale in A. One hour B. Two to three hours C. Three to four hours D. Six hours

Last Answer : ANS: C

If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by A. Chezy B. Manning C. Bazin D. Kutter

Description : If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by A. Chezy B. Manning C. Bazin D. Kutter

Last Answer : ANS: B

A rainfall may be classified as acidic if its pH value is less or equal to A. 6 B. 7 C. 5 D. 6.5

Description : A rainfall may be classified as acidic if its pH value is less or equal to A. 6 B. 7 C. 5 D. 6.5

Last Answer : ANS: C

For detecting the nitrites in the sewage, the matching colour may be developed by adding A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid potassium hydroxide D. None of these

Description : For detecting the nitrites in the sewage, the matching colour may be developed by adding A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid potassium hydroxide D. None of these

Last Answer : ANS: B

The detention time (t) of a settling tank, may be defined as the time required for A. A particle to travel along its length B. A particle to travel from top surface to bottom sludge zone C. The flow of sewage to fill the tank D. None of these

Description : The detention time (t) of a settling tank, may be defined as the time required for A. A particle to travel along its length B. A particle to travel from top surface to bottom sludge zone C. The flow of sewage to fill the tank D. None of these

Last Answer : ANS: C

For large sewers, maximum distance between manholes may be A. 50 m B. 100 m C. 200 m D. 300 m

Description : For large sewers, maximum distance between manholes may be A. 50 m B. 100 m C. 200 m D. 300 m

Last Answer : ANS: D

The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be A. 0.9 cm B. 1.2 m C. 1.5 m D. > 1.5 m

Description : The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be A. 0.9 cm B. 1.2 m C. 1.5 m D. > 1.5 m

Last Answer : ANS: D