Root nodules are primarily found in which part of the plant?
Stems
Leaves
Flowers
Roots
Related Questions
Which specific flavonoid is known to induce nod gene expression in Rhizobium leguminosarum when establishing symbiosis with pea plants?
Naringenin
Apigenin
Kaempferol
Luteolin
A mutation in a legume plant prevents the formation of infection threads during rhizobial symbiosis. Which of the following processes would be MOST directly affected?
Recognition of the rhizobia by the root hairs
Curling of root hairs
Formation of the nodule meristem
Release of bacteria into the host cell cytoplasm
The process of transfer of amino group from one amino acid to the keto group of a keto acid is called
Oxidative amination
Reductive amination
Transamination
Deamination
Which one of the following is an amide involved in nitrogen assimilitaion by plants?
Glutamate
Alanine
Asparagine
Serine
During the process of root nodule formation, which of the following is the initial signal molecule released by the plant roots that attracts rhizobia?
Flavonoids
Nod factors
Lectins
Cytokinins
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
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
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 enzyme complex is responsible for the conversion of atmospheric nitrogen to ammonia within the root nodules?
Nitrogenase
Nitrate reductase
Nitrite reductase
Glutamine synthetase
For nitrogen fixation, useful pigment is
Nitrogenase
Haemoglobin
Myoglobin
Leghaemglobin