BOD level in fresh water should not exceed beyond:

BOD level in fresh water should not exceed beyond:
by

1 Answer

Answer :

BOD level in fresh water should not exceed beyond: A. 5 ppm B. 10 ppm C. 24 ppm D. 50 ppm
by

Related questions

Water pollution can be identified by testing its A. PH level B. Biological Oxygen Demand (BOD) C. Both (a) and (b) D. None of these.

Description : Water pollution can be identified by testing its A. PH level B. Biological Oxygen Demand (BOD) C. Both (a) and (b) D. None of these.

Last Answer : C. Both (a) and (b)

Water pollution can be identified by testing its A. PH level B. Biological Oxygen Demand (BOD) C. Both (a) and (b) D. None of these.

Description : Water pollution can be identified by testing its A. PH level B. Biological Oxygen Demand (BOD) C. Both (a) and (b) D. None of these.

Last Answer : C. Both (a) and (b)

What is the maximum acceptable level of BOD ?

Description : What is the maximum acceptable level of BOD ?

Last Answer : 1-2 ppm = Very good 3-5 ppm = Good 8-9 ppm = Contaminated ≥ 100 ppm = Very corrupt

ater pollution can be identified by testing its A. PH level B. Biological Oxygen Demand (BOD) C. Both (a) and (b) D. None of these.

Description : ater pollution can be identified by testing its A. PH level B. Biological Oxygen Demand (BOD) C. Both (a) and (b) D. None of these.

Last Answer : C. Both (a) and (b)

regarding paracetamol toxicity: - Not toxic if dose exceed 150-180 mg - Cause vomiting and neuropathy - Therapeutic effect after 4 hours - Use Deferoxamine -the liver enzyme reach the max. Level 4-6 hours after ingestion

Description : regarding paracetamol toxicity: - Not toxic if dose exceed 150-180 mg - Cause vomiting and neuropathy - Therapeutic effect after 4 hours - Use Deferoxamine -the liver enzyme reach the max. Level 4-6 hours after ingestion

Last Answer : the liver enzyme reach the max. Level 4-6 hours after ingestion

The sound level of an agricultural tractor should not exceed : I. 110 dB J. 100 dB K. 90 dB L. 80 dB

Description : The sound level of an agricultural tractor should not exceed : I. 110 dB J. 100 dB K. 90 dB L. 80 dB

Last Answer : K. 90 dB

With absorption and decomposition of CO2 in ocean water beyond desired level, there will be : (A) decrease in temperature (B) increase in salinity (C) growth of phytoplankton (D) rise in sea level

Description : With absorption and decomposition of CO2 in ocean water beyond desired level, there will be : (A) decrease in temperature (B) increase in salinity (C) growth of phytoplankton (D) rise in sea level

Last Answer : Answer: C  Phytoplankton are photosynthesizing microscopic organisms that inhabit the upper sunlit layer of almost all oceans and bodies of fresh water. They are agents for "primary production," ... powerful biotoxins. These toxic blooms can kill marine life and people who eat contaminated seafood.

Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receving effluents from:

Description : Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receving effluents from:

Last Answer : Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receving ... sewage C. Dairy industry D. Petroleum industry

Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Description : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Last Answer : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: ... but reason is wrong D. both are wrong

Arrange the following options in ascending order of their BOD value: 1. Sample of highly polluted pond water. 2. Sample from unpolluted pond water. 3.

Description : Arrange the following options in ascending order of their BOD value: 1. Sample of highly polluted pond water. 2. Sample from unpolluted pond water. 3.

Last Answer : Arrange the following options in ascending order of their BOD value: 1. Sample of highly polluted pond water. 2. Sample ... -b-a C. c-a-b D. a-c-b

Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and muncipal waste water into natural surface water:

Description : Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and muncipal waste water into natural surface water:

Last Answer : Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and muncipal waste water ... C. lt 30 ppm D. lt 100 ppm

A water body has high BOD indicating that water is

Description : A water body has high BOD indicating that water is

Last Answer : A water body has high BOD indicating that water is A. Being contaminated with sewage B. Being aerated C. Receiving minerals D. Atrophic.

Biochemical oxygen demand (BOD) in a river water

Description : Biochemical oxygen demand (BOD) in a river water

Last Answer : Biochemical oxygen demand (BOD) in a river water A. Increases when sewage gets mixed with river ... water D. Gives a measure of Salmonella in water

Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and muncipal waste water into natural surface water:

Description : Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and muncipal waste water into natural surface water:

Last Answer : Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and muncipal waste water into ... `lt` 3 ppm D. `lt` 10 ppm

Increase in the BOD of water reservoir is due to

Description : Increase in the BOD of water reservoir is due to

Last Answer : Increase in the BOD of water reservoir is due to A. Algae B. Soil C. Moss D. Waste product

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

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

Biochemical oxygen demand (BOD) in a river water (a) has no relationship with concentration of oxygen in the water (b) gives a measure of Salmonella in the water (c) increases when sewage gets mixed with river water (d) remains unchanged when algal bloom occurs.

Description : Biochemical oxygen demand (BOD) in a river water (a) has no relationship with concentration of  oxygen in the water (b) gives a measure of Salmonella in the water (c) increases when sewage gets mixed with river  water (d) remains unchanged when algal bloom occurs.

Last Answer : (c) increases when sewage gets mixed with river  water

Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.

Description : Measuring Biochemical Oxygen Demand (BOD) is  a method used for  (a) estimating the amount of organic matter in  sewage water (b) working out the efficiency of oil driven  automobile engines ... commercial  scale (d) working out the efficiency of RBCs about their  capacity to carry oxygen.

Last Answer : (a) estimating the amount of organic matter in  sewage water

High value of BOD (Biochemical Oxygen Demand) indicates that (a) water is less polluted (b) consumption of organic matter in the water is higher by the microbes (c) water is pure (d) water is highly polluted.

Description : High value of BOD (Biochemical Oxygen Demand)  indicates that (a) water is less polluted (b) consumption of organic matter in the water is  higher by the microbes  (c) water is pure (d) water is highly polluted.

Last Answer : (b) consumption of organic matter in the water is 

Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from (a) domestic sewage (b) dairy industry (c) petroleum industry (d) sugar industry.

Description : Biochemical Oxygen Demand (BOD) may not be a  good index for pollution for water bodies receiving  effluents from (a) domestic sewage (b) dairy industry (c) petroleum industry (d) sugar industry.

Last Answer : c) petroleum industry

Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.

Description : Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) ... a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.

Last Answer : (a) estimating the amount of organic matter in sewage water

High value of BOD (Biochemical Oxygen Demand) indicates that (a) water is less polluted (b) consumption of organic matter in the water is higher by the microbes (c) water is pure (d) water is highly polluted.

Description : High value of BOD (Biochemical Oxygen Demand) indicates that (a) water is less polluted (b) consumption of organic matter in the water is higher by the microbes (c) water is pure (d) water is highly polluted.

Last Answer : (b) consumption of organic matter in the water is higher by the microbes

Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from (a) domestic sewage (b) dairy industry (c) petroleum industry (d) sugar industry.

Description : Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from (a) domestic sewage (b) dairy industry (c) petroleum industry (d) sugar industry.

Last Answer : (c) petroleum industry

In the context of the chemical process industries, the term BOD is normally associated with the (A) Characterisation of solid wastes (B) Organic concentration in gaseous effluents (C) Characterisation of liquid effluents (D) Characterisation of boiler feed water

Description : In the context of the chemical process industries, the term BOD is normally associated with the (A) Characterisation of solid wastes (B) Organic concentration in gaseous effluents (C) Characterisation of liquid effluents (D) Characterisation of boiler feed water

Last Answer : (C) Characterisation of liquid effluents

Pick out the wrong statement.(A) Biological oxygen demand (BOD) is a characteristic and not a constituent of water (B) BOD is a measure of the amount of oxygen which will be demanded & used in 5 days by the biological decomposition of the organic matter present in water stream present as food for the living organism (C) BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water) (D) None of these

Description : Pick out the wrong statement. (A) Biological oxygen demand (BOD) is a characteristic and not a constituent of water (B) BOD is a measure of the amount of oxygen which will be demanded & used in 5 days ... BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water) (D) None of these

Last Answer : (D) None of these

Lagoons used for purification of polluted water (A) Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds (B) Use micro-organisms/bacteria in presence of dissolved oxygen (C) Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre (D) All (A), (B) & (C)

Description : Lagoons used for purification of polluted water (A) Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds (B) Use micro-organisms/bacteria in presence of dissolved oxygen (C) Gives an ... 1 mg/litre and BOD = 3.8 mg/litre (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate in cone, sulphuric acid solution at boiling temperature for specified time (C) COD is related to BOD of a given waste in water but the relationship varies for different wastes. Typically COD of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate ... of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The term Biological Oxygen Demand (BOD) is used in relation to (A) Potable water (B) Cooling water (C) Distilled water (D) Industrial effluents

Description : The term Biological Oxygen Demand (BOD) is used in relation to (A) Potable water (B) Cooling water (C) Distilled water (D) Industrial effluents

Last Answer : (D) Industrial effluents

Consider the following statements : Activated sludge process can be said to comprise : 1. Conversion of dissolved organic matter into biological flocs 2. Removal of dissolved BOD of the waste water 3. Digestion of the sludge Which of these statements are correct ? (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only

Description : Consider the following statements : Activated sludge process can be said to comprise : 1. Conversion of dissolved organic matter into biological flocs 2. Removal of dissolved BOD of the waste water 3. Digestion of the sludge Which ... 2 and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only

Last Answer : (b) 1 and 2 only

8. If pollutants are added continuously in a water body they will cause a) increase in BOD b) decrease in BOD c) death of all plants d) increase in oxygen concentration

Description : 8. If pollutants are added continuously in a water body they will cause a) increase in BOD b) decrease in BOD c) death of all plants d) increase in oxygen concentration

Last Answer : a) increase in BOD

72. Measuring Biochemical Oxygen Demand (BOD) is a method used for (1) Working out the efficiency of R.B.Cs. about their capacity to carry oxygen (2) Estimating the amount of organic matter is sewage water (3) Working out the efficiency of oil driven automobile engines (4) Measuring the activity of Sacccharomyces cerevisae in producing curd on a commercial scale

Description : 72. Measuring Biochemical Oxygen Demand (BOD) is a method used for (1) Working out the efficiency of R.B.Cs. about their capacity to carry oxygen (2) Estimating the amount of ... driven automobile engines (4) Measuring the activity of Sacccharomyces cerevisae in producing curd on a commercial scale

Last Answer : Estimating the amount of organic matter is sewage water

The BOD values of water indicate the (1) amount of organic debris (2) amount of oxygen used for biochemical oxidation (3) amount of oxygen used for biochemical reduction (4) amount of ozone used for biochemical oxidation

Description : The BOD values of water indicate the (1) amount of organic debris (2) amount of oxygen used for biochemical oxidation (3) amount of oxygen used for biochemical reduction (4) amount of ozone used for biochemical oxidation

Last Answer : amount of oxygen used for biochemical oxidation

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 temperature (B) Causes asphyxia (C) Causes increase in sea level (D) Enhances the green house effect

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

Level Crossing beyond the outermost stop signals is called a) Engineering Gate* b) Traffic Gate c) Engineering and Signal Gate d) Signal Gate

Description : Level Crossing beyond the outermost stop signals is called a) Engineering Gate* b) Traffic Gate c) Engineering and Signal Gate d) Signal Gate

Last Answer : a) Engineering Gate

Suppose you are an ambitious teacher. You have high ideals for classroom teaching but your hard-labour goes in vain. The reason is that the student's result is not satisfactory. The reason of this problem is Options: A) Downfall in the educational level of the students B) You egoistic teaching behaviour beyond student's own level C) Individual differences among the students D) The teaching has no access to students

Description : Suppose you are an ambitious teacher. You have high ideals for classroom teaching but your hard-labour goes in vain. The reason is that the student's result is not satisfactory. The reason of this ... own level C) Individual differences among the students D) The teaching has no access to students

Last Answer : Individual differences among the students

Expand BOD AND IPM -Science

Description : Expand BOD AND IPM -Science

Last Answer : answer:

What is BOD ?

Description : What is BOD ?

Last Answer : Total amount of O2 to kill digestible organic matter in bacteria in 1 liter of water .

What is the unit of BOD ?

Description : What is the unit of BOD ?

Last Answer : mg / liter or ppm

What does BOD mean ?

Description : What does BOD mean ?

Last Answer : BOD is: Biological Oxygen Demand. BOD means the demand for biochemical oxygen. If the BOD value in the water is high then the water is contaminated.

What is the full form of bod ?

Last Answer : full biological oxygen demand of BOD

Relationship between DO and BOD is that they:

Description : Relationship between DO and BOD is that they:

Last Answer : Relationship between DO and BOD is that they: A. Are directly proportional B. Are iversely ... related D. Always remains equal to each other.

Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.

Description : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.

Last Answer : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess ... true but reason is wrong D. Both are wrong

The BOD of an eutrophic lake will be:

Description : The BOD of an eutrophic lake will be:

Last Answer : The BOD of an eutrophic lake will be: A. lower B. moderate C. Higher D. Same as any other lake.

High value of BOD (Biochemical Oxygen Demand) indicates that:

Description : High value of BOD (Biochemical Oxygen Demand) indicates that:

Last Answer : High value of BOD (Biochemical Oxygen Demand) indicates that: A. Highly polluted water B. Less ... in water C. Less sewage D. Less microorganisms.

Which is correct ascending arragement of BOD of sewage (S) distillery effluent (DE). Paper mill effluent (PE) and sugar mill effluent (SE)

Description : Which is correct ascending arragement of BOD of sewage (S) distillery effluent (DE). Paper mill effluent (PE) and sugar mill effluent (SE)

Last Answer : Which is correct ascending arragement of BOD of sewage (S) distillery effluent (DE). ... B. PEltSltSEltDE C. SltDEltPEltSE D. SEltSltPEltDE

BOD is meausre of

Description : BOD is meausre of

Last Answer : BOD is meausre of A. Industrial waste being poured in water body B. Extent of pollution with organic ... (2)` required by green plants during night .

BOD (biological oxygen demand) is

Description : BOD (biological oxygen demand) is

Last Answer : BOD (biological oxygen demand) is A. Amount of oxygen consumed by microorganisms for decaying organic ... plants for survival D. None of the above

What is BOD is

Description : What is BOD is

Last Answer : BOD is A. Biological oxygen deficit B. Biosphere oxygen demand C. Biological oxygen demand D. None of the above

Drained sewage has biological oxygen demand `(BOD)`:

Description : Drained sewage has biological oxygen demand `(BOD)`:

Last Answer : Drained sewage has biological oxygen demand `(BOD)`: A. More than that of water B. Less than that of ... equal to that of water D. None of the above