Bacteria

Question 1

Three facts about bacteria.

Answer 1

• There are 40 million bacteria in a gram of soil.
• Bacteria can survive in very harsh conditions like deep in the Earth’s crust and in radioactive waste.
• There are around as many bacteria cell as human cells in the human body.

Question 2

Five uses of bacteria

Answer 2

Any of the following:

• Food processing
• Biotechnology
• Genetic engineering
• Fibre retting
• Pest control
• Bio remediation
• Digestion
• Tanning of leather
• Medicines

Question 3

Three diseases caused by bacteria.

Answer 3

Any of the following:

• Tetanus
• Pneumonia
• Cholera
• Tuberculosis