Bacterium

Harmful bacteria are known as___________

• pathogens

• friendly bacteria

• disease carriers

• toxins

spherical bacteria is known as

• cocci
• streptococci
• spirilla
• bacilli

how many types of bacteria are there, name them.

• Type A, Type B, Type C, Type D

• uni cellular, bi cellular, prokaryotes

• Cocci, Bacilli, Spirilla

• antibiotics, biotics, probiotics

What is the shape of rod-shaped bacteria?

• Cocci

• Streptococci

• Spirilla

• Bacilli

What is the shape of spiral-shaped bacteria?

• Cocci

• Streptococci

• Spirilla

• Bacilli

What is the term used for bacteria that help or do not affect us?

• Pathogens

• Friendly bacteria

• Disease carriers

• Toxins

Bacteria which turns milk into curd

• Streptococcus thermophilus

• Lactobacillus bulgaricus

• Escherichia coli

• Bacillus subtilis

Bacteria that help in nitrogen fixation

• Clostridium

• Nitrosomonas

• Streptococcus

• Rhizobium and Azotobacter

Are viruses bacteria

• true

• false

What does the word "bacterium" mean

• Small stick or rod

• A ball or sphere

• A chain

• A tire like structure