Nitrogen Cycle and Bacteria

The video tutorial explains the nitrogen cycle, focusing on the role of bacteria in transforming nitrogen compounds. It covers processes like nitrification and organification, and discusses how nitrogen is released into the atmosphere. The tutorial provides a comprehensive overview of the nitrogen cycle's components and their interactions.

What is the primary role of bacteria in the nitrogen cycle?

• To generate energy

• To produce oxygen

• To decompose organic matter

• To fix nitrogen in the atmosphere

Which nitrogen compound is mentioned as spreading in the atmosphere?

• Ammonia

• Nitrogen gas

• Nitrite

• Nitrate

What process involves bacteria converting organic nitrogen into inorganic forms?

• Photosynthesis

• Respiration

• Nitrification

• Organification

Which process is responsible for the conversion of nitrogen gas into a usable form for plants?

• Denitrification

• Ammonification

• Nitrogen fixation

• Assimilation

What is the final product of nitrification?

• Ammonia

• Nitrite

• Nitrate

• Nitrogen gas