Biology : Mineral Nutrition

Which of the following microbes produces nitrogen-fixing nodules in non-leguminous plants?

• Rhizobium

• Frankia

• Azotobacter

• Pseudomonas

• Pseudomonas

N₂ + 8e + 8H⁺ + 16ATP $\to$ 2NH₃ + H₂ + 16ADP + 16 Pi
The above equation refers to

• Nitrification

• Reductive amination

• Denitriofication

• Transamination

• Transamination

Thiobacillus is a group of bacteria helpful in carrying out

• Chemoautotrophic fixation

• Nitrification

• Denitrification

• Nitrogen fixation

Which of the following is used as a best genetic vector in plants?

• Bacillus thurengiensis

• Agrobacterium tumifaciens

• Pseudomonas putida

• All of the above