Biological Nitrogen Fixation
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BIOXI12: MINERAL NUTRITION

336599 Match the columns I and II.

Column IColumn II
A. NitrosomonasP. Nitrate is reduced to nitrogen
B. PseudomonasQ. Nitrite is oxidized to nitrate
C. NitrobacterR. Ammonia is oxidized to nitrite

1 A-R ; B-P ; C-Q
2 A-P ; B-Q ; C-R
3 A-R ; B-Q; C-P
4 A-Q ; B-P ; C-R
BIOXI12: MINERAL NUTRITION

336648 Statement A :
All prokaryotic species are capable of fixing nitrogen.
Statement B :
A number of cyanobacteria such as Anabaena and Nostoc are also freeliving nitrogenfixers.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI12: MINERAL NUTRITION

336649 During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by:

1 Cytochrome
2 Leghaemoglobin
3 Xanthophyll
4 carotene
AIPMT - 2015
BIOXI12: MINERAL NUTRITION

336570 The nodule formed establishes a direct vascular connection with the host for ____.

1 Exchange of waste material
2 Exchange of nutrients
3 Exchange of gaseous material
4 Water transport.
BIOXI12: MINERAL NUTRITION

336571 What is common between
Rhizobium
and
Frankia

1 Symbiotic relationship with leguminous plant
2 Symbiotic relationship with non- leguminous plant
3 Freeliving in soil, but as symbionts, can fix atmospheric nitrogen
4 None of the above.
NEET DIGITAL LIBRARY
BIOXI12: MINERAL NUTRITION

336599 Match the columns I and II.

Column IColumn II
A. NitrosomonasP. Nitrate is reduced to nitrogen
B. PseudomonasQ. Nitrite is oxidized to nitrate
C. NitrobacterR. Ammonia is oxidized to nitrite

1 A-R ; B-P ; C-Q
2 A-P ; B-Q ; C-R
3 A-R ; B-Q; C-P
4 A-Q ; B-P ; C-R
BIOXI12: MINERAL NUTRITION

336648 Statement A :
All prokaryotic species are capable of fixing nitrogen.
Statement B :
A number of cyanobacteria such as Anabaena and Nostoc are also freeliving nitrogenfixers.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI12: MINERAL NUTRITION

336649 During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by:

1 Cytochrome
2 Leghaemoglobin
3 Xanthophyll
4 carotene
AIPMT - 2015
BIOXI12: MINERAL NUTRITION

336570 The nodule formed establishes a direct vascular connection with the host for ____.

1 Exchange of waste material
2 Exchange of nutrients
3 Exchange of gaseous material
4 Water transport.
BIOXI12: MINERAL NUTRITION

336571 What is common between
Rhizobium
and
Frankia

1 Symbiotic relationship with leguminous plant
2 Symbiotic relationship with non- leguminous plant
3 Freeliving in soil, but as symbionts, can fix atmospheric nitrogen
4 None of the above.
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BIOXI12: MINERAL NUTRITION

336599 Match the columns I and II.

Column IColumn II
A. NitrosomonasP. Nitrate is reduced to nitrogen
B. PseudomonasQ. Nitrite is oxidized to nitrate
C. NitrobacterR. Ammonia is oxidized to nitrite

1 A-R ; B-P ; C-Q
2 A-P ; B-Q ; C-R
3 A-R ; B-Q; C-P
4 A-Q ; B-P ; C-R
BIOXI12: MINERAL NUTRITION

336648 Statement A :
All prokaryotic species are capable of fixing nitrogen.
Statement B :
A number of cyanobacteria such as Anabaena and Nostoc are also freeliving nitrogenfixers.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI12: MINERAL NUTRITION

336649 During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by:

1 Cytochrome
2 Leghaemoglobin
3 Xanthophyll
4 carotene
AIPMT - 2015
BIOXI12: MINERAL NUTRITION

336570 The nodule formed establishes a direct vascular connection with the host for ____.

1 Exchange of waste material
2 Exchange of nutrients
3 Exchange of gaseous material
4 Water transport.
BIOXI12: MINERAL NUTRITION

336571 What is common between
Rhizobium
and
Frankia

1 Symbiotic relationship with leguminous plant
2 Symbiotic relationship with non- leguminous plant
3 Freeliving in soil, but as symbionts, can fix atmospheric nitrogen
4 None of the above.
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BIOXI12: MINERAL NUTRITION

336599 Match the columns I and II.

Column IColumn II
A. NitrosomonasP. Nitrate is reduced to nitrogen
B. PseudomonasQ. Nitrite is oxidized to nitrate
C. NitrobacterR. Ammonia is oxidized to nitrite

1 A-R ; B-P ; C-Q
2 A-P ; B-Q ; C-R
3 A-R ; B-Q; C-P
4 A-Q ; B-P ; C-R
BIOXI12: MINERAL NUTRITION

336648 Statement A :
All prokaryotic species are capable of fixing nitrogen.
Statement B :
A number of cyanobacteria such as Anabaena and Nostoc are also freeliving nitrogenfixers.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI12: MINERAL NUTRITION

336649 During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by:

1 Cytochrome
2 Leghaemoglobin
3 Xanthophyll
4 carotene
AIPMT - 2015
BIOXI12: MINERAL NUTRITION

336570 The nodule formed establishes a direct vascular connection with the host for ____.

1 Exchange of waste material
2 Exchange of nutrients
3 Exchange of gaseous material
4 Water transport.
BIOXI12: MINERAL NUTRITION

336571 What is common between
Rhizobium
and
Frankia

1 Symbiotic relationship with leguminous plant
2 Symbiotic relationship with non- leguminous plant
3 Freeliving in soil, but as symbionts, can fix atmospheric nitrogen
4 None of the above.
NEET DIGITAL LIBRARY
BIOXI12: MINERAL NUTRITION

336599 Match the columns I and II.

Column IColumn II
A. NitrosomonasP. Nitrate is reduced to nitrogen
B. PseudomonasQ. Nitrite is oxidized to nitrate
C. NitrobacterR. Ammonia is oxidized to nitrite

1 A-R ; B-P ; C-Q
2 A-P ; B-Q ; C-R
3 A-R ; B-Q; C-P
4 A-Q ; B-P ; C-R
BIOXI12: MINERAL NUTRITION

336648 Statement A :
All prokaryotic species are capable of fixing nitrogen.
Statement B :
A number of cyanobacteria such as Anabaena and Nostoc are also freeliving nitrogenfixers.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI12: MINERAL NUTRITION

336649 During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by:

1 Cytochrome
2 Leghaemoglobin
3 Xanthophyll
4 carotene
AIPMT - 2015
BIOXI12: MINERAL NUTRITION

336570 The nodule formed establishes a direct vascular connection with the host for ____.

1 Exchange of waste material
2 Exchange of nutrients
3 Exchange of gaseous material
4 Water transport.
BIOXI12: MINERAL NUTRITION

336571 What is common between
Rhizobium
and
Frankia

1 Symbiotic relationship with leguminous plant
2 Symbiotic relationship with non- leguminous plant
3 Freeliving in soil, but as symbionts, can fix atmospheric nitrogen
4 None of the above.