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#Question id: 29442
#Unit 6. System Physiology – Plant
Some of the following statement are given regarding MoFe protein
(a) 2 pairs of identical subunits (tetramer, nif D & nif K)
(b) A total of MW 180 ~ 235kD
(c) Each subunit has 2 Mo-Fe-S clusters.
(d) MoFe proteins are insensitive to O2
Which of the following is incorrect
TLS Online TPP Program
#Question id: 29443
#Unit 6. System Physiology – Plant
The nitrogenase enzyme complex has the characteristics listed below
(a) Fe protein is connected to ferredoxin
(b) Fe protein is involved in ATP Hydrolysis
(c) MoFe protein is involved in the oxidation of N2 to NH3
(d) MoFe protein is involved in the reduction of N2 to NH3
Which of the following is true
TLS Online TPP Program
#Question id: 29444
#Unit 6. System Physiology – Plant
Flavonoids, the prominent inducers of rhizobial nod gene expression, here Flavonoid inducers Category along with their name and activity is mentioned
| Flavonoid inducers Category | Name/activity |
| 1. Flavone | A. Naringenin, a flavanone active on R. leguminosarum bv. viciae |
| 2. Chalcone | B. Daidzein, an isofavone active on B. japonicum |
| 3. Isoavone | C. 4,4’-Dihydroxy-2’- methoxychalcone, a chalcone inducer from Medicago |
| 4. Flavanone | D. Luteolin, a flavone inducer from Medicago spp., active on S. meliloti |
Match them correctly
TLS Online TPP Program
#Question id: 29445
#Unit 6. System Physiology – Plant
Nod factors predominantly have
TLS Online TPP Program
#Question id: 29446
#Unit 6. System Physiology – Plant
The binding of Nod factors to the Nod factor receptors (NFRs), which contain
TLS Online TPP Program
#Question id: 29447
#Unit 6. System Physiology – Plant
The interaction between NFR and SYMRK initiates