Last updated on December 9th, 2023 at 10:06 pm
MCQ on Teeth and Microbes Class 4 – Test your knowledge on teeth and microbes with these class 4 level multiple choice questions. Covering topics such as types of teeth, tooth decay, and different kinds of microbes, this quiz is a fun way to reinforce learning on these important topics.
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[1] At what age do children usually get their first tooth?
a. 3 years old
b. 6 months to 7 months old
c. 12 months to 18 months old
d. 2 years old
Answer: b. 6 months to 7 months old
[2] How many teeth does a child usually have by the age of three?
a. 10 teeth
b. 16 teeth
c. 20 teeth
d. 24 teeth
Answer: c. 20 teeth
[3] When do children’s milk teeth begin to fall out?
a. At the age of 1
b. At the age of 3
c. At the age of 6
d. At the age of 9
Answer: c. At the age of 6
[4] What are the new teeth that grow in place of milk teeth called?
a. Temporary teeth
b. Milk teeth
c. Baby teeth
d. Permanent teeth
Answer: d. Permanent teeth
[4] How many permanent teeth do adult human beings usually have?
a. 16 teeth
b. 20 teeth
c. 28 teeth
d. 32 teeth
Answer: d. 32 teeth
[5] What are the different types of teeth in the upper and lower jaw of the mouth?
a. Canines, molars, incisors, and premolars
b. Front teeth, back teeth, and side teeth
c. Sharp teeth, flat teeth, and round teeth
d. Baby teeth and permanent teeth
Answer: a. Canines, molars, incisors, and premolars
[6] How many incisors teeth are there in total?
a. 4
b. 6
c. 8
d. 10
Answer: c. 8
[7] What is the function of incisors teeth?
a. To tear food
b. To crush food
c. To grind food
d. To cut and bite food
Answer: d. To cut and bite food
[8] Which teeth are located next to the incisors and used for tearing food?
a. Premolars
b. Molars
c. Canines
d. Wisdom teeth
Answer: c. Canines
[9] How many canines are there in total?
a. 2
b. 4
c. 6
d. 8
Answer: b. 4
[10] What is the shape of premolars?
a. Pointed and sharp
b. Flat and wide
c. Broad and round
d. Small and thin
Answer: b. Flat and wide
[11] What is the function of premolars teeth?
a. To tear food
b. To crush food
c. To grind food
d. To cut and bite food
Answer: b. To crush food
[12] Which teeth are located at the back of the mouth and help to grind food?
a. Incisors
b. Canines
c. Premolars
d. Molars
Answer: d. Molars
[13] How many molars are there in total?
a. 4
b. 8
c. 12
d. 16
Answer: c. 12
[14] What is the outer layer of the tooth crown made of?
a. Pulp
b. Enamel
c. Dentine
d. Gum
Answer: b. Enamel
[15] What is the function of the root of a tooth?
a. To hold the tooth firmly in place
b. To produce enamel
c. To contain nerves and blood vessels
d. To prevent cavity formation
Answer: a. To hold the tooth firmly in place
