Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:

Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:
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Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of: A. Food B. Light C. Essential minerals D. Oxygen
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Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:

Description : Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:

Last Answer : Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of: ... food D. Non-availibility of essential minearls.

Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:

Description : Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:

Last Answer : Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of: A. oxygen B. food C. light D. essential minerals

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

Fishes die in water bodies polluted by swage due to :

Description : Fishes die in water bodies polluted by swage due to :

Last Answer : Fishes die in water bodies polluted by swage due to : A. Pathogens B. Clogging of gills by silt C. Reduction in oxygen D. Four smell.

Eutrophication is the process of enrichment of surface water bodies with — a. Minerals b. Nutrients c. Salts d. Vegetation

Description : Eutrophication is the process of enrichment of surface water bodies with — a. Minerals b. Nutrients c. Salts d. Vegetation

Last Answer : b. Nutrients

When deep-sea fishes are brought to the surface of the sea, their bodies burst. This is because the blood in their bodies flows at very?

Description : When deep-sea fishes are brought to the surface of the sea, their bodies burst. This is because the blood in their bodies flows at very?

Last Answer : High pressure

Eutrophication of water body occurs due to addition of

Description : Eutrophication of water body occurs due to addition of

Last Answer : Eutrophication of water body occurs due to addition of A. detergents B. Fertilisers C. Sewage D. All of the above

Eutrophication of water body occurs due to addition of

Description : Eutrophication of water body occurs due to addition of

Last Answer : Eutrophication of water body occurs due to addition of A. Detergents B. Fertilizers C. Sewage D. All of above

What is eutrophication? What is it due to? What are its effects?

Description : What is eutrophication? What is it due to? What are its effects?

Last Answer : The process of increase in the growth of algae in water bodies due to increase of phosphorous is called eutrophication. Eutrophication is due to high phosphorous content of detergents and ... content in water bodies decrease due to rapid growth of organisms which consume phosphorous compounds.

1. Bird population is seen to decrease due to thinning of egg shells which is caused by : a) Eutrophication b) Biomagnification c) Greenhouse Effect d) Ozone depletion

Description : 1. Bird population is seen to decrease due to thinning of egg shells which is caused by : a) Eutrophication b) Biomagnification c) Greenhouse Effect d) Ozone depletion

Last Answer : d) Ozone depletion

Assertion` :-` On repeated application of stimuli, involuntary stripled muscles undergo fatigue. Reason `:` This is due to non availability of ATP mol

Description : Assertion` :-` On repeated application of stimuli, involuntary stripled muscles undergo fatigue. Reason `:` This is due to non availability of ATP mol

Last Answer : Assertion` :-` On repeated application of stimuli, involuntary stripled muscles undergo fatigue. Reason ... . If both Assertion and Reason are false.

In case of non-availability of space due to topography, the most suitable spillway is (A) Straight drop spillway (B) Shaft spillway (C) Chute spillway (D) Ogee spillway

Description : In case of non-availability of space due to topography, the most suitable spillway is (A) Straight drop spillway (B) Shaft spillway (C) Chute spillway (D) Ogee spillway

Last Answer : Answer: Option B

Which of the following is a cause of frictional unemployment? (a) Non-availability of work due to strike and lock-out. (b) Temporary unemployment due to change over in jo(b) ; (c) Both ; (d) None

Description : Which of the following is a cause of frictional unemployment? (a) Non-availability of work due to strike and lock-out. (b) Temporary unemployment due to change over in jo(b) ; (c) Both ; (d) None

Last Answer : (c) Both ;

With regard to the autonomic nervous system: a. the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves b. the preganglionic sympathetic fibres are usually longer than preganglionic parasympathetic fibres c. acetylcholine is the neurotransmitter at the ganglia of both sympathetic and parasympathetic nervous system d. botulin toxin blocks acetylcholine receptors

Description : With regard to the autonomic nervous system: a. the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves b. the preganglionic sympathetic fibres ... the ganglia of both sympathetic and parasympathetic nervous system d. botulin toxin blocks acetylcholine receptors

Last Answer : the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves

Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.

Description : Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.

Last Answer : (d) free ribosomes and RER.

Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER

Description : Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER

Last Answer : (4) Free ribosomes and RER

Assertion : Fish meal is a rich source of protein for cattle and poultry. Reason : Fish meal is produced from non-edible parts of fishes like fins, ta

Description : Assertion : Fish meal is a rich source of protein for cattle and poultry. Reason : Fish meal is produced from non-edible parts of fishes like fins, ta

Last Answer : Assertion : Fish meal is a rich source of protein for cattle and poultry. Reason : Fish meal is ... false D. If both assertion and reason are false

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.

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

Decline in the population of indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categoriesd as (a) co-extinction (b) habitat fragmentation (c) over-exploitation (d) alien species invasion.

Description : Decline in the population of indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categoriesd as (a) co-extinction (b) habitat fragmentation (c) over-exploitation (d) alien species invasion.

Last Answer : (d) alien species invasion.

Assertion: Sewage discharge in a water body causes eutrophication. Reason: This increases the organic content in water body and, hence, the growth of

Description : Assertion: Sewage discharge in a water body causes eutrophication. Reason: This increases the organic content in water body and, hence, the growth of

Last Answer : Assertion: Sewage discharge in a water body causes eutrophication. Reason: This increases the organic content ... Reason are false, then mark (4).

The rapidly growing mass of phytoplankton coveting the surface water of a lake or pond is known as – (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Description : The rapidly growing mass of phytoplankton coveting the surface water of a lake or pond is known as – (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Last Answer : (1) Eutrophication Explanation: Eutrophication is the ecosystem response to the addition of artificial or natural substances, such as nitrates and phosphates, through fertilizers or sewage, to an aquatic ... increase of phytoplankton in a water body as a response to increased levels of nutrients.

Eutrophication of a water body enhances – (1) Organic matter production (2) Biological oxygen demand (3) Both (1) and (2) (4) Neither (1) nor (2)

Description : Eutrophication of a water body enhances – (1) Organic matter production (2) Biological oxygen demand (3) Both (1) and (2) (4) Neither (1) nor (2)

Last Answer : (3) Both (1) and (2) Explanation: Eutrophication is the ecosystem response to the addition of artificial or natural substances, such as nitrates and phosphates, through fertilizers or sew-age. It leads not only to increased levels of nutrients, but increased Biological Oxygen Demand as well.

Eutrophication is often seen in (a) deserts (b) fresh water lakes (c) ocean (d) mountains.

Description : Eutrophication is often seen in (a) deserts (b) fresh water lakes (c) ocean (d) mountains.

Last Answer : (b) fresh water lakes

Eutrophication is often seen in (a) deserts (b) fresh water lakes (c) ocean (d) mountains.

Description : Eutrophication is often seen in (a) deserts (b) fresh water lakes (c) ocean (d) mountains.

Last Answer : (b) fresh water lakes

Eutrophication of a water body enhances (1) Organic matter production (2) Biological oxygen demand (3) Both (1) and (2) (4) Neither (1) nor (2)

Description : Eutrophication of a water body enhances (1) Organic matter production (2) Biological oxygen demand (3) Both (1) and (2) (4) Neither (1) nor (2)

Last Answer :  Both (1) and (2) 

The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as : (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Description : The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as : (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Last Answer : Eutrophication

What is eutrophication?

Description : What is eutrophication?

Last Answer : Eutrophication is the process by which a body of water becomes rich in nutrients, typically due to human activities such as agricultural runoff, leading to excessive plant growth and oxygen depletion, and is an important concept in environmental science and sustainability.

What is eutrophication?

Description : What is eutrophication?

Last Answer : Eutrophication is the process by which excess nutrients, primarily nitrogen and phosphorus, enter a body of water and cause excessive growth of algae and other aquatic plants, leading to oxygen depletion and harm to aquatic organisms, and is an important concept in environmental science and ecology.

What is eutrophication? -SST 10th

Description : What is eutrophication? -SST 10th

Last Answer : It is the process of depletion of oxygen from water bodies occurring either naturally or due to . human activities. The process of eutrophication takes place due to introduction of nutrients and chemicals ... food. This cause death of most of the aquatic organisms, draining water of all its oxygen.

What is Eutrophication? -Biology

Description : What is Eutrophication? -Biology

Last Answer : answer:

What is the significance of Eutrophication? -Biology

Description : What is the significance of Eutrophication? -Biology

Last Answer : answer:

What is eutrophication and state its effects. -Biology

Description : What is eutrophication and state its effects. -Biology

Last Answer : answer:

What is eutrophication and state its effects. -Biology

Description : What is eutrophication and state its effects. -Biology

Last Answer : answer:

Which of the following statements does not apply to eutrophication?

Description : Which of the following statements does not apply to eutrophication?

Last Answer : Which of the following statements does not apply to eutrophication? A. It is natural ageing of ... radically accelerated the ageing process of a lake

Main cause of eutrophication is:

Description : Main cause of eutrophication is:

Last Answer : Main cause of eutrophication is: A. Fluctuation of temperature B. Unsual growth of aquatic ... Enrichment of nutrients D. Abundance of microorganisms

Eutrophication of often seen in:

Description : Eutrophication of often seen in:

Last Answer : Eutrophication of often seen in: A. Oceans B. Moutains C. Deserts D. Fresh water lakes

Eutrophication is excess growth of

Description : Eutrophication is excess growth of

Last Answer : Eutrophication is excess growth of A. Bryophytes B. Algae and aquatic plants C. Gymnosperms D. Pteriodophytes.

Eutrophication is a type of

Description : Eutrophication is a type of

Last Answer : Eutrophication is a type of A. Land pollution B. Air pollution C. Water pollution D. Noise pollutants

Eutrophication is caused by

Description : Eutrophication is caused by

Last Answer : Eutrophication is caused by A. Lack of algae in a lake B. Abundant oxygen in ponds C. Run-off fertilizers in lake D. Excess nektons in lake.

Eutrophication is found in

Description : Eutrophication is found in

Last Answer : Eutrophication is found in A. Agricultural land near thermal plant B. Saline soil C. Lake D. Mountain

Eutrophication causes reduction in

Description : Eutrophication causes reduction in

Last Answer : Eutrophication causes reduction in A. Dissolved carbon dioxide B. D.O C. Dissolved nitrate D. All the above

Eutrophication refers to:

Description : Eutrophication refers to:

Last Answer : Eutrophication refers to: A. High production in an aquatic ecosystem B. Low production in ... D. Stable production in a terrestrial ecosystem

Eutrophication of often seen in:

Description : Eutrophication of often seen in:

Last Answer : Eutrophication of often seen in: A. Mountains B. Deserts C. Fresh water lakes D. Ocean

What Eutrophication is the result of .?

Description : What Eutrophication is the result of .?

Last Answer : No

Algal bloom results from – (1) Global warming (2) Salination (3) Eutrophication (4) Biomagnification

Description : Algal bloom results from – (1) Global warming (2) Salination (3) Eutrophication (4) Biomagnification

Last Answer : (3) Eutrophication Explanation: An algal bloom is a rapid increase or accumulation in the population of algae in freshwater or marine water systems, and are recognized by the discoloration in the ... body with nutrients, usually with an excess amount of nutrients. This is known as eutrophication.

Oxide of sulphur present in the atmosphere are washed down by rains to cause – (1) Depletion of fossil fuel reserves (2) Eutrophication in lakes (3) Lowering of pH of soil (4) Industrial smog formation

Description : Oxide of sulphur present in the atmosphere are washed down by rains to cause – (1) Depletion of fossil fuel reserves (2) Eutrophication in lakes (3) Lowering of pH of soil (4) Industrial smog formation

Last Answer : (1) Depletion of fossil fuel reserves Explanation: The oxide of Sulphur (Sulphur Dioxide) is washed down on earth as acid rain.

Which of the following is caused by the higher concentration of Nitrogen and Phosphorous? (1) Eutrophication (2) Hardness (3) Alkalinity (4) Acidity

Description : Which of the following is caused by the higher concentration of Nitrogen and Phosphorous? (1) Eutrophication (2) Hardness (3) Alkalinity (4) Acidity

Last Answer : (1) Eutrophication Explanation: Higher concentration of Nitrogen and Phosphorus causes Eutrophication.

What is EUTROPHICATION?

Description : What is EUTROPHICATION?

Last Answer : When fresh water is artificially supplemented with nutrients; it results in abnormal increase in the growth of water plants. This is known as eutroph- ication. When organic matter exceeds the capacity of the micro ... and foul smell. It leads to the death of all forms of life in the water body.