Which of the following can fix atmospheric nitrogen?

Correct option is D

Cyanobacteria are autotrophic microbes widely distributed in aquatic and Terrestrial environment many of which can fix atmospheric nitrogen, in paddy field cyanobacteria serves as an important biofertilizer.

Column I	Column II
A. Leishmania donovani	{i}Malaria
B. Wuchereria bancrofti	{ii}Amoebiasis
C. Trypanosoma gambiense	{iii}Kala azar
D. Entamoeba histolytica	{iv}Sleeping sickness
	(v) Filariasis

Column I

Column II

A. Leishmania donovani

{i}Malaria

B. Wuchereria bancrofti

{ii}Amoebiasis

C. Trypanosoma gambiense

{iii}Kala azar

D. Entamoeba histolytica

{iv}Sleeping sickness

(v) Filariasis

Column I	Column II
A. Family	{i}Solanum
B. Kingdom	{ii}Solanaceae
C. Order	{iii}lycopersicum
D. Species	{iv}Plantae
E. Genus	(v) Solanales

Column I

Column II

A. Family

{i}Solanum

B. Kingdom

{ii}Solanaceae

C. Order

{iii}lycopersicum

D. Species

{iv}Plantae

E. Genus

(v) Solanales

Column I	Column II
A. J.B. Van Helmont	{i}Starch is the first visible product of photosynthesis
B. Stephen Hales	{ii}Water of soil contributes to the growth of plants
C. Engelmann	{iii}Green plants get nourishment through their leaves from air and sunlight
D. Sachs	{iv}Action spectrum of photosynthesis

Column I

Column II

A. J.B. Van Helmont

{i}Starch is the first visible product of photosynthesis

B. Stephen Hales

{ii}Water of soil contributes to the growth of plants

C. Engelmann

{iii}Green plants get nourishment through their leaves from air and sunlight

D. Sachs

{iv}Action spectrum of photosynthesis

Column I	Column II
A. Complex I	{i}Cyt c → O₂
B. Complex II	{ii}NADH → CoQ
C. Complex III	{iii}Succinate → CoQ
D. Complex IV	{iv}CoQH₂ → Cyt c

Column I

Column II

A. Complex I

{i}Cyt c → O₂

B. Complex II

{ii}NADH → CoQ

C. Complex III

{iii}Succinate → CoQ

D. Complex IV

{iv}CoQH₂ → Cyt c

Column -I	Column- II
A. Scape	i. Tinospora
B. Culm	ii. Grasses
C. Liana	iii. Onion
D. Creeper	iv. Bamboo

Column -I

Column- II

A. Scape

i. Tinospora

B. Culm

ii. Grasses

C. Liana

iii. Onion

D. Creeper

iv. Bamboo

Column I	Column II
A. Leishmania donovani	{i}Malaria
B. Wuchereria bancrofti	{ii}Amoebiasis
C. Trypanosoma gambiense	{iii}Kala azar
D. Entamoeba histolytica	{iv}Sleeping sickness
	(v) Filariasis

Column I

Column II

A. Leishmania donovani

{i}Malaria

B. Wuchereria bancrofti

{ii}Amoebiasis

C. Trypanosoma gambiense

{iii}Kala azar

D. Entamoeba histolytica

{iv}Sleeping sickness

(v) Filariasis

Which of the following can fix atmospheric nitrogen?

Anabaena

Nostoc

Oscillatoria

All of the above

Correct option is D

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