Teeth and the World of Microbes
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Types and Structure of Teeth
SubtopicTypes and Structure of Teeth under Teeth and the World of Microbes for Grade 4 CBSE.
Preview questions (no answers)
- 1.
Which of the following describes the function of canines?
A.Biting and cutting
B.Tearing and gripping
C.Grinding and pasting
D.Chewing and crushing
- 2.
Which type of teeth are used for crushing and grinding food?
A.Incisors only
B.Canines and Incisors
C.Premolars and Molars
D.Only Canines
- 3.
Why is it important to rinse your mouth after eating?
A.To make the teeth shine
B.To remove food particles stuck between teeth
C.To change the color of the gums
D.To make the pulp hard
Download the worksheet for Teeth and the World of Microbes - Types and Structure of Teeth to practice offline. It includes additional chapter-level practice questions.
Dental Care and Hygiene
SubtopicDental Care and Hygiene under Teeth and the World of Microbes for Grade 4 CBSE.
Preview questions (no answers)
- 1.
What should we use to clean our tongue?
A.Toothpick
B.Tongue cleaner
C.Finger nail
D.Hard brush
- 2.
Which disease is caused by bacteria?
A.Flu
B.Tuberculosis
C.Measles
D.Chickenpox
- 3.
Which teeth are mainly used for biting into an apple?
A.Molars
B.Incisors
C.Premolars
D.Wisdom teeth
Download the worksheet for Teeth and the World of Microbes - Dental Care and Hygiene to practice offline. It includes additional chapter-level practice questions.
Microbes: Useful and Harmful
SubtopicMicrobes: Useful and Harmful under Teeth and the World of Microbes for Grade 4 CBSE.
Preview questions (no answers)
- 1.
What gives spoiled food a bad smell and taste?
A.Fresh air
B.Growth of microbes
C.Cold water
D.Clean containers
- 2.
Which of these actions helps to stop microbes from growing on our skin?
A.Not bathing for a week
B.Taking a bath daily
C.Playing in mud all day
D.Wearing dirty clothes
- 3.
Which of these microbes is used to produce bubbles of carbon dioxide that make bread soft?
A.Bacteria
B.Yeast
C.Amoeba
D.Virus
Download the worksheet for Teeth and the World of Microbes - Microbes: Useful and Harmful to practice offline. It includes additional chapter-level practice questions.