Unit 2 Bacteria Viruses classification practice Holden life sci

Front

What is the shape of bacteria known as 'bacillus'?

Back

Bacillus refers to rod-shaped bacteria.

Front

Which country funded research in penicillin for five years?

Back

USA

Front

What type of organism naturally releases penicillin?

Back

Mould.

Front

How do bacteria reproduce?

Back

Bacteria reproduce through a process called Binary Fission.

Front

Do Archaea thrive in harsh environments?

Back

True.

Front

What are the three main shapes of bacteria?

Back

Coccus (spherical), Bacillus (rod-shaped), Spirillum (spiral-shaped).

Front

What is the primary difference between bacteria and viruses?

Back

Bacteria are single-celled organisms that can live independently, while viruses are not considered living organisms and require a host to replicate.

Front

What is the role of bacteria in the nitrogen cycle?

Back

Bacteria convert nitrogen gas from the atmosphere into forms that plants can use, such as ammonia.

Front

What is the process by which bacteria can exchange genetic material?

Back

Conjugation.

Front

What is the significance of penicillin in medicine?

Back

Penicillin is an antibiotic that is used to treat bacterial infections.