What is the full form of BOD?

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BOD stands for Biological Oxygen Demand. It is a measure of the amount of oxygen required by microorganisms to decompose organic matter present in a water sample.

The BOD test is used to determine the quality of water and the degree of organic pollution in it.
It provides an estimate of the amount of oxygen that would be consumed by microbes if the water sample were allowed to stand for a specified period of time.
A higher BOD indicates higher levels of organic pollution and a lower concentration of dissolved oxygen, which can have negative effects on aquatic life.
Therefore, the full form of BOD is Biological Oxygen Demand.

Biochemical Oxygen Demand

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Relevant Concepts
Importance of Water	Chemical Properties of Water	Uses of Water
Conservation of Water	Forms of Water	Water Cycle
Water Management	Biogeochemical Cycles	Oxygen Cycle

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1.
A student performed some crosses in plants and represented the result in the form of bar graphs as shown below. Each graph displays the phenotypic proportion of the progeny. Study the graphs and answer the questions :
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List two major causes of loss of biodiversity.
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What is the full form of BOD?

CBSE CLASS XII Related Questions

2.
List two major causes of loss of biodiversity.

3.
"Indo-Burma" is considered as a hotspot. What is meant by the term "hotspots" in biodiversity ? List two criteria used for determining a "hotspot". Name any two hotspots of India.

4.
(i) Differentiate between a DNA and RNA nucleotide.
(ii) Name the two types of bonds present within a single nucleotide.

5.
Assertion (A) : The two chains of DNA have antipolarity.
Reason (R) : In one chain of DNA, ribose sugar at \(5^{\prime}\) end consists of a free phosphate moiety, while at the other end, the ribose sugar has free \(3^{\prime}\) - OH group.

6.
"Indo-Burma" is considered as a hotspot. What is meant by the term "hotspots" in biodiversity ? List two criteria used for determining a "hotspot". Name any two hotspots of India.

Comments

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What is the full form of BOD?

CBSE CLASS XII Related Questions

2.List two major causes of loss of biodiversity.

3."Indo-Burma" is considered as a hotspot. What is meant by the term "hotspots" in biodiversity ? List two criteria used for determining a "hotspot". Name any two hotspots of India.

4.(i) Differentiate between a DNA and RNA nucleotide.(ii) Name the two types of bonds present within a single nucleotide.

5.Assertion (A) : The two chains of DNA have antipolarity.Reason (R) : In one chain of DNA, ribose sugar at \(5^{\prime}\) end consists of a free phosphate moiety, while at the other end, the ribose sugar has free \(3^{\prime}\) - OH group.

6."Indo-Burma" is considered as a hotspot. What is meant by the term "hotspots" in biodiversity ? List two criteria used for determining a "hotspot". Name any two hotspots of India.

Comments

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2.
List two major causes of loss of biodiversity.

3.
"Indo-Burma" is considered as a hotspot. What is meant by the term "hotspots" in biodiversity ? List two criteria used for determining a "hotspot". Name any two hotspots of India.

4.
(i) Differentiate between a DNA and RNA nucleotide.
(ii) Name the two types of bonds present within a single nucleotide.

5.
Assertion (A) : The two chains of DNA have antipolarity.
Reason (R) : In one chain of DNA, ribose sugar at \(5^{\prime}\) end consists of a free phosphate moiety, while at the other end, the ribose sugar has free \(3^{\prime}\) - OH group.

6.
"Indo-Burma" is considered as a hotspot. What is meant by the term "hotspots" in biodiversity ? List two criteria used for determining a "hotspot". Name any two hotspots of India.