Match the column I and column II.
$\begin{matrix} C o l u m n I & C o l u m n I I A . N i t r o b a c t e r & 1. F r e e - l i v i n g a e r o b i c N_{2} f i x e r B . C l o s t r i d i u m & 2. C o n v e r t s a m m o n i a i n t o n i t r i t e C . N i t r o s o c o c c u s & 3. C h a n g e s n i t r i t e t o n i t r a t e D . A z o t o b a c t e r & 4. F r e e - l i v i n g a n a e r o b i c N_{2} f i x e r \end{matrix}$

Codes
$\begin{matrix} A & B & C & D 2 & 4 & 3 & 1 \end{matrix}$

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$\begin{matrix} A & B & C & D 3 & 4 & 2 & 1 \end{matrix}$

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$\begin{matrix} A & B & C & D 4 & 2 & 1 & 3 \end{matrix}$

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$\begin{matrix} A & B & C & D 1 & 2 & 3 & 4 \end{matrix}$

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Solution

The correct option is B
$\begin{matrix} A & B & C & D 3 & 4 & 2 & 1 \end{matrix}$

The correct matching is
1. Nitrobacter changes nitrite to nitrate.
2. Clostridium is free-living anaerobic $N_{2}$ -fixer.
3. Nitrosococcus converts $N H_{3}$ to nitrite.
4. Azotobacter is free-living aerobic $N_{2}$ -fixer.

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Similar questions

Q. Match the columns.

(a)	Nitrobacter	(i)	Free living aerobic nitrogen fixer
(b)	Clostridium	(ii)	Converts ammonia into nitrite
(c)	Nitrosococcus	(iii)	Changes nitrite to nitrate
(d)	Azotobacter	(iv)	Free living anaerobic nitrogen fixer

Q. Match the following.

(A) Nitrobacter	(i) Free living aerobic nitrogen fixing organism
(B) Clostridium	(ii) Converts nitrite to nitrates
(C) Nitrosococcus	(iii) Converts ammonia to nitrite
(D) Azotobacter	(iv) Free living anaerobic nitrogen fixing organism

Match the column I and column II.
$\begin{matrix} C o l u m n I & C o l u m n I I A . N i t r o b a c t e r & 1. F r e e - l i v i n g a e r o b i c N_{2} f i x e r B . C l o s t r i d i u m & 2. C o n v e r t s a m m o n i a i n t o n i t r i t e C . N i t r o s o c o c c u s & 3. C h a n g e s n i t r i t e t o n i t r a t e D . A z o t o b a c t e r & 4. F r e e - l i v i n g a n a e r o b i c N_{2} f i x e r \end{matrix}$

Q. Select the correct matches.
(a) Nitrosomonas - nitrite to nitrate
(b) Thiobacillus - denitrification
(c) Nostoc - free-living nitrogen fixer
(d) Azotobacter - anaerobic nitrogen fixer

Select the matched ones:

(1)Nitrosomonas - Nitrite to nitrate

(2)Thiobacillus - Denitrification

(3)Nostoc– Free - living nitrogen-fixer

(4)Azotobacter - Anaerobic nitrogen-fixer

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Match the column I and column II. Column IColumn IIA. Nitrobacter1. Free−living aerobic N2 fixerB. Clostridium2. Converts ammonia into nitriteC. Nitrosococcus3. Changes nitrite to nitrateD. Azotobacter4. Free−living anaerobic N2 fixer

The correct option is B ABCD3421 The correct matching is 1. Nitrobacter changes nitrite to nitrate. 2. Clostridium is free-living anaerobic N2-fixer. 3. Nitrosococcus converts NH3 to nitrite. 4. Azotobacter is free-living aerobic N2-fixer.