Question

Select and write the most appropriate answer from the given alternatives for the folowing subquestion: 

_______ is a soil bacterium which causes crown gall tumours in dicotyledonous plants. 

Options

• Agrobacterium tumefaciens

• Bacillus thuringiensis

• Haemophilus influenzae

• Escherichia coli

Answer 1

Agrobacterium tumefaciens is a soil bacterium which causes crown gall tumours in dicotyledonous plants.