The correct match is:
List - I List - II
A. TLV 1. Oxygen required to oxidise organic substance present in polluted water.
B. COD 2. Oxygen used by microorganisms present in water for 5 days
C. DO 3. $O_{2}$ present in water is in dissolved state.
D. BOD 4. Permissible level of pollutant that can be present in a mine.

5. $O_{2}$ that is present in atmosphere.

A-2, B-3, C-5, D-1

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A-3, B-4, C-2, D-5

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A-4, B-1, C-3, D-2

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A-1, B-2, C-4, D-3

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Solution

The correct option is C A-4, B-1, C-3, D-2
TLV represents the permissible level of a pollutant that can be present in a mine.

COD represents the oxygen required to oxidize organic substance present in polluted water. It is called chemical oxygen demand.

DO represents oxygen present in water in a dissolved state. It is called dissolved oxygen.

BOD represents oxygen used by microorganisms present in water for 5 days. It is called biological oxygen demand.

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Similar questions

Match List I with List II and select the correct answer using the codes given below the lists

List I (Compound) List II (Oxidation state of N)

(A) $N O_{2}$ (1) +5

(B) $H N O$ (2) -3

(D) $N_{2} O_{5}$ (4) +1

Q. Match list I with list II and choose the correct answer:

\begin{matrix} A . & H y p o t h a l a m u s & 1. & S p e r m l y s i n s B . & A c r o s o m e & 2. & E s t r o g e n C . & G r a a f i a n f o l l i c l e & 3. & R e l a x i n D . & L e y d i g c e l l s & 4. & G n R H E . & P a r t u r i t i o n & 5. & T e s t o s t e r o n e \end{matrix}

Q. Consider the four processes

A, B, C, D

shown in the graph given below

List I shows process & List II gives value of index

^{'} n^{'}

for the equation

P V^{n} = const

Match List I with list II.

\begin{matrix} List I & List II A . & A & 1. & 0 B & B & 2 & 1 C & C & 3. & 1.4 D & D & 4. & \infty \end{matrix}

Match the following terms in Column - I with those in Column - II correctly. $\begin{matrix} Column-I & Column-II a . & Aquatic animals & 1. & Sail boat b . & Mountaineers & 2. & Soot and dust c . & Factories & 3. & Oxygen cylinders d . & Wind & 4. & Dissolved oxygen \end{matrix}$

Q. Match list I with list II and select the correct option

\begin{matrix} L i s t I & L i s t I I (a) B a c i l l u s t h u r i n g i e n s i s & 1. P r o d u c t i o n o f c h i t i n a s e s (b) R h i z o b i u m & 2. S c a v e n g i n g o f o i l s p i l l s (c) E s c h e r i c h i a c o l i & 3. I n c o r p o r a t i o n o f^{'} n i f^{'} g e n e (d) P s e u d o m o n a s & 4. p r o d u c t i o n o f B t t o x i n (e) T r i c h o d e r m a & 5. P r o d u c t i o n o f h u m a n i n s u l i n \end{matrix}

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	List - I		List - II
A.	TLV	1.	Oxygen required to oxidise organic substance present in polluted water.
B.	COD	2.	Oxygen used by microorganisms present in water for 5 days
C.	DO	3.	$O_{2}$ present in water is in dissolved state.
D.	BOD	4.	Permissible level of pollutant that can be present in a mine.
		5.	$O_{2}$ that is present in atmosphere.