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Science Clinic => Biology => Microbiology => Topic started by: Chelseaamend on Oct 17, 2019

Title: When runoff containing excessive nutrients enters streams and lakes it can result in an overgrowth ...
Post by: Chelseaamend on Oct 17, 2019

Question 1

Which of the following is a nitrogen-fixing bacterium that forms associations with the roots of plants?
◦ anaerobic Bacillus species
◦ Clostridium species
◦ cyanobacteria
◦ Azotobacter species
◦ Rhizobium species

Question 2

When runoff containing excessive nutrients enters streams and lakes it can result in an overgrowth of cyanobacteria and algae, a process known as
◦ oxidation.
◦ fixation.
◦ ammonification.
◦ eutrophication.
◦ both ammonification and fixation.

Title: When runoff containing excessive nutrients enters streams and lakes it can result in an overgrowth ...
Post by: bhavsar on Oct 17, 2019

Answer 1

Rhizobium species

Answer 2

eutrophication.