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.

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.
by

1 Answer

Answer :

 (b) oxygen
by

Related questions

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:

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Last Answer : 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

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:

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

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Last Answer : b. Nutrients

Fishes die in water bodies polluted by swage due to :

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Nitrogen 1. Is non-essential for the animal bodies 2. In air dilutes oxygen which, otherwise, is very active in the pure form 3. Makes oxygen soluble in blood 4. Is present in DNA and RNA The correct statements are: (a) 1 and 4 only (b) 2 and 4 only (c) 3 and 4 only (d) 1 and 2 only

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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?

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Last Answer : High pressure

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.

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

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Eutrophication results in reduction of a) Dissolved nitrate b) Dissolved Oxygen c) Mineral salts d) Parasitic protozoa.

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On placing an inverted tumbler over a burning candle, the flame extinguishes after some – time . This is because of non –availability of a) oxygen b)water vapour c)carbon dioxide d)wax

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Which country ranks first in South Asia with regard to easy availability of minerals? -SST 10th

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Eutrophication of water body occurs due to addition of

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Eutrophication of water body occurs due to addition of

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The soil pH level primarily controls: a. Soil temperature b. Activity of soil-borne diseases c. Moisture absorption by roots d. Availability of essential plant nutrients

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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.

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

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A lake which is rich in organic waste may result in (a) increased population of aquatic organisms due to minerals (b) drying of the lake due to algal bloom (c) increased population of fish due to lots of nutrients (d) mortality of fish due to lack of oxygen.

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

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Which biotic components mainly help in recycling of minerals:-

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Stirred-tank bioreactors have been designed for (a) purification of product (b) addition of preservatives to the product (c) availability of oxygen throughout the process (d) ensuring anaerobic conditions in the culture vessel.

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The sun appears red at sunrise and sunset while it appears white at noon because of _____ A. Refraction B. It is cooler at sunrise and at sunset C. Diffraction leading to red end of the spectrum reaching the earth D. Scattering of light due to dust particles and air molecules

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Last Answer : ANSWER: D

The sun appears red at sunrise and sunset while it appears white at noon, because A. Of refraction B. It is cooler at sunrise and at sunset C. Of diffraction leading to red end of the spectrum reaching the earth. D. Of Scattering of light due to dust particles and air molecules?

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Last Answer : C. Of diffraction leading to red end of the spectrum reaching the earth.

What does removing oxygen removing moisture and killing spoilage do?

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Last Answer : What is the answer ?

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

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