Basic Details
Word: Bacteria
Part of Speech: Noun
Meaning: Tiny living things that can only be seen with a microscope; some can cause illness, while others are beneficial.
Synonyms: Germs, microbes
Antonyms: N/A
Idioms and Phrases
- Breeding ground for bacteria: A place where bacteria flourish or grow easily. Example: "The old, damp attic became a breeding ground for bacteria."
- Good bacteria: Bacteria that are beneficial to health. Example: "Eating yogurt can introduce good bacteria into your digestive system."
Usage Examples
Example 1: Bacteria are found everywhere, including in soil, water, and even on our skin.
Example 2: Some bacteria are essential for processes like digestion and nitrogen fixation in plants.
Example 3: Washing your hands regularly helps to remove harmful bacteria that can cause illness.
Fun Fact
Did you know that there are more bacterial cells in your body than there are human cells? In fact, about 90% of the cells in your body are bacteria!
Famous Quote
"Bacteria are the oldest living organisms on Earth; their evolution started 3.5 billion years ago." Richard Dawkins
Multiple Choice Questions (MCQs)
1. What does "bacteria" mean?
a) Large animals
b) Tiny living organisms
c) Types of plants
d) Minerals
Answer: b) Tiny living organisms
2. Which of these is a synonym of "bacteria"?
a) Viruses
b) Germs
c) Fungi
d) Insects
Answer: b) Germs
3. Which sentence uses "bacteria" correctly?
a) The bacteria sang a song.
b) Some bacteria help us digest food.
c) The bacteria played in the park.
d) Bacteria can fly in the air.
Answer: b) Some bacteria help us digest food.
4. Which idiom refers to bacteria thriving?
a) Good bacteria
b) A breeding ground for bacteria
c) Microbe parade
d) A breath of fresh air
Answer: b) A breeding ground for bacteria
5. What is the opposite of "bacteria"?
a) Insects
b) N/A
c) Animals
d) Trees
Answer: b) N/A
