Sudden mass death of fishes from oxygen depletion is more likely in case of:

Sudden mass death of fishes from oxygen depletion is more likely in case of:
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Sudden mass death of fishes from oxygen depletion is more likely in case of: A. Eutrophic lake B ... lake C. Oligotrophic lake D. Oxaltrophic lake .
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Why death of fish is more common during summer than in winter? It is because of – (1) shortage of food (2) concentration of toxins (3) depletion of oxygen (4) spread of diseases

Description : Why death of fish is more common during summer than in winter? It is because of – (1) shortage of food (2) concentration of toxins (3) depletion of oxygen (4) spread of diseases

Last Answer : (3) depletion of oxygen Explanation: Fish die more in summer due to oxygen depletion which refers to low levels of dissolved oxygen (DO) in water. Warm water is much less ... because at high water temperatures their metabolic rates increase, hence their physiologic demand for oxygen increases.

Why death of fish is more common during summer than in winter? It is because of (1) shortage of food (2) concentration of toxins (3) depletion of oxygen (4) spread of diseases

Description : Why death of fish is more common during summer than in winter? It is because of (1) shortage of food (2) concentration of toxins (3) depletion of oxygen (4) spread of diseases

Last Answer : depletion of oxygen

Which one of the following statements is not correct? (a) Offspring produced by the asexual reproduction are called clone. (b) Microscopic, motile, asexual reproductive structures are called zoospores. (c) In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem. (d) Water hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes.

Description : Which one of the following statements is not correct? (a) Offspring produced by the asexual reproduction are called clone. (b) Microscopic, motile, asexual reproductive structures are called zoospores. ( ... in the standing water, drains oxygen from water that leads to the death of fishes.

Last Answer : (c) In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem.

Oil slick causes mass-scale death of fishes due to

Description : Oil slick causes mass-scale death of fishes due to

Last Answer : Oil slick causes mass-scale death of fishes due to A. Clogging of gills B. Disruption of food chain C. Non-availability of food D. All of these

What will you do in case of a sudden death occur at the place of your friend? Options: A) After getting intimation, you avoid to go B) You go on the next day with your wife C) You rush immediately at such occasions D) You do not observe this courtesy even such tragedy occurs at your friends house

Description : What will you do in case of a sudden death occur at the place of your friend? Options: A) After getting intimation, you avoid to go B) You go on the next day with your wife ... rush immediately at such occasions D) You do not observe this courtesy even such tragedy occurs at your friends house

Last Answer : C) You rush immediately at such occasions 

Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of (a) essential minerals (b) oxygen (c) food (d) light.

Description : Eutrophication of water bodies leading to killing of  fishes is mainly due to non-availability of  (a) essential minerals (b) oxygen (c) food (d) light.

Last Answer :  (b) oxygen

Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of (a) essential minerals (b) oxygen (c) food (d) light.

Description : Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of (a) essential minerals (b) oxygen (c) food (d) light.

Last Answer : (b) oxygen

Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals. (c) The presence of non-respiratory air sacs, increases the efficiency of respiration in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Description : Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the ... in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Last Answer : (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals.

Ultraviolet radiation striking the earth is due to the depletion of – (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Description : Ultraviolet radiation striking the earth is due to the depletion of – (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Last Answer : (3) ozone Explanation: Ozone is a powerful oxidant (far more so than dioxygen) and has many industrial and consumer applications related to oxidation. This same high oxidizing potential, however, ... 100 parts per billion. This makes ozone a potent respiratory hazard and pollutant near ground level.

If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is A. 50 mg/l B. 100 mg/l C. 150 mg/l D. 250 mg/l

Description : If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is A. 50 mg/l B. 100 mg/l C. 150 mg/l D. 250 mg/l

Last Answer : ANS: D

If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is A. 50 ppm B. 100 ppm C. 150 ppm D. 200 ppm

Description : If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is A. 50 ppm B. 100 ppm C. 150 ppm D. 200 ppm

Last Answer : ANS: D

If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is A. 200 ppm B. 225 ppm C. 250 ppm D. None of these

Description : If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is A. 200 ppm B. 225 ppm C. 250 ppm D. None of these

Last Answer : ANS: C

If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l

Description : If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l

Last Answer : ANS: D

Which of the following actions have to be avoided to prevent the depletion of DO (dissolved oxygen) in aquaculture? [a] Over-aerating, over-warming, over-harvesting [b] Over-seining, over-planting, over-medicating [c] Over-feeding, over-stocking, over-fertilizing [d] None of these [e] All of the above

Description : Which of the following actions have to be avoided to prevent the depletion of DO (dissolved oxygen) in aquaculture? [a] Over-aerating, over-warming, over-harvesting [b] Over-seining, over-planting, over- ... c] Over-feeding, over-stocking, over-fertilizing [d] None of these [e] All of the above

Last Answer : [c] Over-feeding, over-stocking, over-fertilizing

Presence of soluble organics in polluted water causes (A) Undesirable plants growth (B) Depletion of oxygen (C) Fire hazards (D) Explosion hazards

Description : Presence of soluble organics in polluted water causes (A) Undesirable plants growth (B) Depletion of oxygen (C) Fire hazards (D) Explosion hazards

Last Answer : (B) Depletion of oxygen

Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes (A) Fire hazards (B) Explosion hazards (C) Persistent foam (D) Depletion of dissolved oxygen

Description : Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes (A) Fire hazards (B) Explosion hazards (C) Persistent foam (D) Depletion of dissolved oxygen

Last Answer : (C) Persistent foam

This cause the depletion of ozone layer by decomposing ozone to oxygen . a) CFC b)UV radiations c)CO2 d)O2

Description : This cause the depletion of ozone layer by decomposing ozone to oxygen . a) CFC b)UV radiations c)CO2 d)O2

Last Answer : b)UV radiations

Which one of the following is not a matter a global concern in the removal of tropical forests ? (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer. (B) Their role in maintaining the oxygen and carbon balance of the earth. (C) Their ability to regulate surface and air temperatures, moisture content and reflectivity. (D) Their contribution to the biological diversity of the planet.

Description : Which one of the following is not a matter a global concern in the removal of tropical forests ? (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer ... , moisture content and reflectivity. (D) Their contribution to the biological diversity of the planet.

Last Answer : (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer.

Ultraviolet radiation striking the earth is due to the depletion of (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Description : Ultraviolet radiation striking the earth is due to the depletion of (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Last Answer : ozone

What might cause sudden and (seemingly) painful death of a cat?

Description : What might cause sudden and (seemingly) painful death of a cat?

Last Answer : Poisoning, a heart attack or a stroke would seem most likely.

How does the poet react to the untimely, sudden and shocking death of his beloved? What does he imagine her to be after her death? -English 9th

Description : How does the poet react to the untimely, sudden and shocking death of his beloved? What does he imagine her to be after her death? -English 9th

Last Answer : The sudden and untimely death of his beloved leaves the poet stunned. It is not easy to express the poet’s feelings in words. Actually, a deep slumber ‘sealed’ his spirit. He ... will roll round in earth’s diurnal course. She will become one with rocks, stones and trees.

How does the poet imagine her beloved to after her sudden and untimely death? -English 9th

Description : How does the poet imagine her beloved to after her sudden and untimely death? -English 9th

Last Answer : Now his beloved is no more a part of this mortal world. She would be beyond the touch of earthly years. She is beyond the action and reaction of all five senses and the earthly body. However ... will be rolling round in earth’s diurnal course. She will become one with rocks, stones and trees.

Is there any harm in sleeping during the day ? I saw a video on YouTube and said that the risk of sudden death is higher than others. This death occurs after 40 years. Is that true?

Description : Is there any harm in sleeping during the day ? I saw a video on YouTube and said that the risk of sudden death is higher than others. This death occurs after 40 years. Is that true?

Last Answer : There is a risk of sudden death if you sleep during the day. This is wrong, but it may not be applicable to everyone. This is exactly what happened to some of the people you heard about. And ... sleeping during the day. And you should sleep during the day after noon prayers, it is good for health.

What could be the major cause of the sudden infant death syndrome?

Description : What could be the major cause of the sudden infant death syndrome?

Last Answer : This must be one of the most painful experiences for parents, to get to know your little baby and then have it cruelly snatched away and although it normally happens with babies it can also happen ... truly grateful that my children survived as I know I worried about it after they were first born.

The term ischemic heart disease (IHD) is used to designate all of the following conditions except (a) Angina pectoris (b) Sudden cardiac death (c) Congestive heart failur (CHF) (d) Arrhythmias

Description : The term ischemic heart disease (IHD) is used to designate all of the following conditions except (a) Angina pectoris (b) Sudden cardiac death (c) Congestive heart failur (CHF) (d) Arrhythmias

Last Answer : Ans: C

A is accused of the murder of B. At his trial the following facts may be in issue- a) That A caused B’s deaths b) That A intended to cause B’s death c) That A had received grave and sudden provocation from B d) All the above

Description : A is accused of the murder of B. At his trial the following facts may be in issue- a) That A caused B’s deaths b) That A intended to cause B’s death c) That A had received grave and sudden provocation from B d) All the above

Last Answer : d) All the above

Which of the following guidelines is appropriate to helping family members cope with sudden death? a) Show acceptance of the body by touching it, giving the family permission to touch. The nurse should encourage the family to view and touch the body if they wish, since this action helps the family to integrate the loss.

Description : Which of the following guidelines is appropriate to helping family members cope with sudden death? a) Show acceptance of the body by touching it, giving the family permission to touch. The nurse ... avoid volunteering unnecessary information (e.g., patient was drinking at the time of the accident).

Last Answer : a) Show acceptance of the body by touching it, giving the family permission to touch. The nurse should encourage the family to view and touch the body if they wish, since this action helps the family to integrate the loss.

what is the most common cause of death in patients with Ludwig's angina? sepsis Sudden asphyxiation rupture of the wall ____________________

Description : what is the most common cause of death in patients with Ludwig's angina? sepsis Sudden asphyxiation rupture of the wall ____________________

Last Answer : Sudden asphyxiation

In post-myocardial infarction and other high cardiovascular risk subjects but without hypertension or heart failure, prolonged ACE inhibitor medication has been found to: A. Increase the chances of sudden cardiac death B. Reduce the incidence of fatal as well as nonfatal myocardial infarction or stroke C. Lower the risk of developing heart failure and diabetes D. Both ‘B‘ and ‘C’

Description : In post-myocardial infarction and other high cardiovascular risk subjects but without hypertension or heart failure, prolonged ACE inhibitor medication has been found to: A. Increase the chances of sudden cardiac death ... Lower the risk of developing heart failure and diabetes D. Both B and C'

Last Answer : D. Both ‘B‘ and ‘C

Depletion method of depreciation is used in case of– (A) Cattle, Loose Tools, etc. (B) Mines, Quarries, etc. (C) Machinery, Building, etc. (D) Books

Description : Depletion method of depreciation is used in case of– (A) Cattle, Loose Tools, etc. (B) Mines, Quarries, etc. (C) Machinery, Building, etc. (D) Books

Last Answer : Answer: Mines, Quarries, etc.

In which case depletion of assets takes place?

Description : In which case depletion of assets takes place?

Last Answer : Just like depreciation, depletion is accounting concept popularly utilized for tangible objects like Mineral Gas, Timber etc. where wear/tear for asset is not there. In these cases the followinf formula is used:

Man-made mass extinction of species represents a severe depletion of biodiversity called

Description : Man-made mass extinction of species represents a severe depletion of biodiversity called

Last Answer : Man-made mass extinction of species represents a severe depletion of biodiversity called A. ... C. Anthropogenic extinction D. Human extinction

Methyldopa differs from clonidine in the following respect: A. It is less likely to cause rebound hypertension on sudden discontinuation B. It does not reduce plasma renin activity C. It has a central as well as peripheral site of antihypertensive action D. It does not produce central side effect

Description : Methyldopa differs from clonidine in the following respect: A. It is less likely to cause rebound hypertension on sudden discontinuation B. It does not reduce plasma renin activity C. It has a central as well as peripheral site of antihypertensive action D. It does not produce central side effect

Last Answer : A. It is less likely to cause rebound hypertension on sudden discontinuation

Rebound hypertension on sudden stoppage of medication is most likely to occur with: A. Hydrochlorothiazide B. Prazosin C. Clonidine D. Lisinopri

Description : Rebound hypertension on sudden stoppage of medication is most likely to occur with: A. Hydrochlorothiazide B. Prazosin C. Clonidine D. Lisinopri

Last Answer : C. Clonidine

A young patient with sudden painless loss of vision, with systolic murmur and ocular examination reveals a cherry red spot with clear AC, the likely diagnosis is: a. Central Retinal Artery Occlusion b. Central Retinal Vein Occlusion c. Diabetes Mellitus d. Branch Retinal Vein Occlusion

Description : A young patient with sudden painless loss of vision, with systolic murmur and ocular examination reveals a cherry red spot with clear AC, the likely diagnosis is: a. Central Retinal Artery Occlusion b. Central Retinal Vein Occlusion c. Diabetes Mellitus d. Branch Retinal Vein Occlusion  

Last Answer : ANSWER: A

Assertion `:` Myocardial infarction oftern results from a sudden decrease in coronary blood supply resulting in decreased oxygen supply. Reason `:` Th

Description : Assertion `:` Myocardial infarction oftern results from a sudden decrease in coronary blood supply resulting in decreased oxygen supply. Reason `:` Th

Last Answer : Assertion `:` Myocardial infarction oftern results from a sudden decrease in coronary blood supply ... If both Assertion & Reason are false.

The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the (A) Length is shorter (B) Throat diameter is more (C) Sudden expansion of flow in the downstream occurs (D) Distance between the throat and the inlet is more

Description : The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the (A) Length is shorter (B) Throat diameter is more (C) Sudden expansion of flow in the downstream occurs (D) Distance between the throat and the inlet is more

Last Answer : (C) Sudden expansion of flow in the downstream occurs

What to do in case of sudden leg sprain ?

Description : What to do in case of sudden leg sprain ?

Last Answer : Find out what to do if your leg suddenly sprains. * Rest: If the legs are swollen, if there is pain, rest is most needed. Even if the pain subsides , if you walk without resting and working ... be careful when walking , wear shoes that balance the soles of the feet , be careful when breaking stairs.

If a sudden loud noise in the range of 100-150 dB ruptured one's eardrum and caused bleeding from the ears how long would it take for hearing to return in a best case scenario?

Description : If a sudden loud noise in the range of 100-150 dB ruptured one's eardrum and caused bleeding from the ears how long would it take for hearing to return in a best case scenario?

Last Answer : An internet search was not definitive on whether or not the eardrums would rupture, but there is the possibility. If this is describing an actual situation, your time would be best spent talking to a doctor.

Feeding more than 8 billion people - how serious is the phosphorus depletion problem?

Description : Feeding more than 8 billion people - how serious is the phosphorus depletion problem?

Last Answer : answer:Hmmm, that could be serious. But most likely, it will result in gradually reduced crop output, and thus higher prices for certain food items. No resource just stops cold instantly, so there ... rubber ceased to be sufficient to meet the growing demand of civilization (and World War 2).

Do you think there is global warming or some geographical regions are more affected by ozone depletion than others?

Description : Do you think there is global warming or some geographical regions are more affected by ozone depletion than others?

Last Answer : Global warming and ozone depletion both are different issues of global concerns. Global warming are due to release of green house gases and dealt with Kyoto protocol but ozone depletion are due to ... carbon and dealt with Montréal protocol. I think there is no any relation with each other

Was it fishes nibbling my feet and toes?

Description : Was it fishes nibbling my feet and toes?

Last Answer : Probably.

If wishes were fishes, would we all smell funny?

Description : If wishes were fishes, would we all smell funny?

Last Answer : Some would smell funnier than others. Better to smell like a Lobster than a Mackerel.

What are fishes sleep patterns like ?

Description : What are fishes sleep patterns like ?

Last Answer : answer:Fish circadian rhythms are regulated in much the same way as ours. There is the same sensitivity to the light/dark cycle, regulated by the pineal gland, the retina and other light receptors, using ... low arousal, so that a sleeping fish can be gently lifted to the surface before waking up.

Can fishes commit suicide?

Description : Can fishes commit suicide?

Last Answer : Some fish jump. I’ve had fish jump out of the pond to their death. It happens and it’s not abnormal.

Are there mixed-breed fishes or birds?

Description : Are there mixed-breed fishes or birds?

Last Answer : answer:Seems to me that races in birds and fish would be the equivalent of breeds in dogs, no? One example that comes to mind in the fish world is the races of golden and rainbow trout ... as different species, but many consider the golden to be a sub-species of the rainbow. They can interbreed.

Are my fishes going to die?please help,before I'm going to sleep?

Description : Are my fishes going to die?please help,before I'm going to sleep?

Last Answer : Male + female = babies. I have had only male bettas but they are extremely agressive with other males, and possibly females. I never dared to mix them because 1) I don't want dead fish 2) I don't ... even by a female, he could attack. Why did you buy them anyways? Betta males are meant to be alone.

Part carbon, part water, I am poison to the fishes. Many have falsely claimed my name, for I am the pause that refreshes.What am I? -Riddles

Description : Part carbon, part water, I am poison to the fishes. Many have falsely claimed my name, for I am the pause that refreshes.What am I? -Riddles

Last Answer : I am Soda Pop!

How are fishes helpfull in controlling diseases? -Science

Description : How are fishes helpfull in controlling diseases? -Science

Last Answer : answer:

what is the collective noun for fishes?

Description : what is the collective noun for fishes?

Last Answer : The collective noun is a troubling of goldfish.