1. Can induce root nodules on many plant species
2. Cannot fix nitrogen in the free – living state
3. Forms specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids
4. Like Rhizobium, it uaually infects its host plant through root hair deformation and stimulates cell proliferation in the host’s cortex
Cannot fix nitrogen in the free – living state
1. Not less than 7
2. Not less than 8
3. Not less than 9
4. Not less than 10
Not less than 7
1. Seminal vesicles
2. Long tubules
3. Ejaculatory duct
4. Phallic gland
Ejaculatory duct
1. Cu, Mn, Fe
2. Ca, K, Na
3. Mn, Co
4. Co, Ni, Mo
Cu, Mn, Fe
1. Egg chamber
2. Brood pouch
3. Oothecal chamber
4. Salivary chamber
Brood pouch
1. Acidity
2. Aridity
3. Salinity
4. Metal toxicity
Salinity
1. Anterior thorax and posterior thorax
2. Tergum and sternum
3. Prothorax, mesothorax and metathorax
4. Prosoma, mesosoma and metasoma
Prothorax, mesothorax and metathorax
1. Embryophore
2. Ootheca
3. Gonophore
4. Female Gamete
Ootheca
1. Ammonia
2. NO-3
3. Glutamate
4. NO-2
Ammonia
1. Eight
2. Six
3. Twelve
4. Sixteen
Sixteen