The product of reaction catalyzed by nitrogenase in root nodules of leguminous plants
Ammonia alone
Nitrate alone
Ammonia and oxygen
Ammonia and hydrogen
Related Questions
In root nodules of legumes, leghaemoglobin is important because it
Transports oxygen to the root nodule
Acts as an oxygen scavenger
Provides energy to the nitrogen fixing bacterium
Acts as a catalyst in transamination
Nitrogenase catalyzes the conversion of atmospheric nitrogen into which compound in the root nodules of leguminous plants?
Ammonia
Nitrite
Nitrate
Dinitrogen
Which of the following is NOT a direct consequence of Nod factor signaling in the host plant during root nodule formation?
Root hair curling
Formation of infection threads
Cortical cell division leading to nodule primordia formation
Expression of nif genes in bacteroids
Select the correct statement.
Legumes are incapable of fixing nitrogen
Legumes fix nitrogen through bacteria living in fruits
Legumes fix nitrogen only by bacteria present in root nodules
None of the above
Which of the following bacteria is commonly involved in root nodule formation in leguminous plants?
Azotobacter
Nitrosomonas
Rhizobium
Clostridium
The infection thread, crucial for rhizobial entry into the root hair, is primarily composed of which plant cell wall component?
Cellulose
Pectin
Lignin
Suberin
Bacteria and fungi developing on dead decaying organisms are
Parasites
Commensals
Saprophytes
Symbionts
The relationship between Rhizobium bacteria and leguminous plants is an example of:
Parasitism
Commensalism
Symbiosis
Predation
Which two important amides found in the plants are structural part of proteins
Glutamate and ureides
Glycine and serine
Glutamine and asparagine
Asparagine and arginine