Match the columns and choose the correct option.
I II
(a) Free-living aerobic nitrogen fixers 1. Anabaena and Nostoc
(b) Anaerobic nitrogen fixers 2. Pseudomonas and Thiobacillus
(c) Nitrogen-fixing cyanobacteria 3. Nitrosomonas and Nitrosococcus
(d) Denitrifying bacteria 4. Azotobacter and Beijerinckia
(e) Nitrifying bacteria 5. Rhodospirillum

a - 4, b - 5, c - 1, d - 2, e - 3
a - 5, b - 4, c - 1, d - 3, e - 2
a - 4, b - 5, c - 2, d - 3, e - 1
a - 4, b - 3, c - 1, d - 2, e - 5
a - 4, b - 5, c - 3, d - 2, e - 1

Question

Match the columns and choose the correct option.

	I		II
(a)	Free-living aerobic nitrogen fixers	1.	Anabaena and Nostoc
(b)	Anaerobic nitrogen fixers	2.	Pseudomonas and Thiobacillus
(c)	Nitrogen-fixing cyanobacteria	3.	Nitrosomonas and Nitrosococcus
(d)	Denitrifying bacteria	4.	Azotobacter and Beijerinckia
(e)	Nitrifying bacteria	5.	Rhodospirillum

a - 4, b - 5, c - 1, d - 2, e - 3
a - 5, b - 4, c - 1, d - 3, e - 2
a - 4, b - 5, c - 2, d - 3, e - 1
a - 4, b - 3, c - 1, d - 2, e - 5
a - 4, b - 5, c - 3, d - 2, e - 1

Toppr Admin · Accepted Answer

A- Free-living aerobic nitrogen fixers - Azotobacter and Beijernikiab- Anaerobic nitrogen fixers - Rhodospirillumc- Nitrogen-fixing cyanobacteria - Anabaena and Nostocd- Denitrifying bacteria - Pseudomonas and Thiobacilluse- Nitrifying bacteria - Nitrosomonas and NitosococcusSo the correct answer is -apos-a-4- b-5- c-1- d-2- e-3-apos-

	List I		List II
A	$A z o s p i r i l l u m$ and $A z o t o b a c t e r$	1	Free living nitrogen fixing bacteria
B	$G l o m u s$	2	Biological control tools
C	$A n a b a e n a$ and $N o s t o c$	3	Forms mycorrhiza
D	$N u c l e o p o l y h e d r o$ $v i r u s$	4	Symbiotic cyanobacteria

	I		II
a	Free living aerobic nitrogen fixers	1	Anabaena and Nostoc
b	Anaerobic nitrogen fixers	2	Pseudomonas denitrificans and Thiobacillus denitrificans
c	Nitrogen fixing cyanobacteria	3	Nitrosomonas and Nitrococcus
d	Denitrifying bacteria	4	Azotobacter and Beijerinckia
e	Nitrifying bacteria	5	Rhodospirillum

	I		II
(a)	Nitrosomonas	$(1)$	Denitrifying bacteria
(b)	Nitrobacter	$(2)$	Soil bacteria
(c)	Pseudomonas	$(3)$	Nitrate bacteria
(d)	Azotobacter	$(4)$	Nitrite bacteria