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question_answer1)
Observe the diagrams given below and answer the question
The teeth labelled II represents
A)
incisors. done
clear
B)
canines. done
clear
C)
molars. done
clear
D)
premolars. done
clear
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question_answer2)
Observe the diagrams given below and answer the question
Teeth marked I represent
A)
incisors. done
clear
B)
canines. done
clear
C)
molars. done
clear
D)
premolars. done
clear
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question_answer3)
Observe the diagrams given below and answer the question
The teeth used to grind food are marked as
A)
I done
clear
B)
II done
clear
C)
III done
clear
D)
iv done
clear
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question_answer4)
Observe the diagrams given below and answer the question
Teeth marked III are called
A)
ripping teeth. done
clear
B)
cracking teeth. done
clear
C)
tearing teeth. done
clear
D)
cutting teeth. done
clear
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question_answer5)
Match the following types of teeth in Column-I with their uses in Column-II.
Column - I | Column - II |
p. | Incisors | i. | Grinding |
q. | Canines | ii. | Cracking |
r. | Premolars | iii. | Cutting |
s. | Molars | iv. | Tearing |
A)
\[p-ii,\text{ }q-ii,\text{ }r-i,\text{ }s-iii\] done
clear
B)
\[p-ii,q-i,r-iv,s-iii\] done
clear
C)
\[p-iii,q-ii,r-iv,s-i\] done
clear
D)
\[p-iii,q-iv,r-ii,s-i\] done
clear
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question_answer6)
An adult has ________ teeth.
A)
20 done
clear
B)
24 done
clear
C)
28 done
clear
D)
32 done
clear
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question_answer7)
Fatima is a 14 year old girl. How many teeth is she likely to have?
A)
20 done
clear
B)
14 done
clear
C)
28 done
clear
D)
32 done
clear
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question_answer8)
Which of the following is NOT true regarding the care of teeth?
A)
Teeth get damaged by chewing food. done
clear
B)
We should not eat too many sweets. done
clear
C)
We should brush our teeth twice a day. done
clear
D)
We should eat raw fruits and vegetables. done
clear
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question_answer9)
Which of the following is the soft material of a tooth?
A)
Dentine done
clear
B)
Pulp done
clear
C)
Enamel done
clear
D)
Root done
clear
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question_answer10)
Ramu took a glass of milk and poured two teaspoonful of buttermilk in it at night. In the morning he obtained curd. Which of the following has helped in changing milk into curd?
A)
Protozoa done
clear
B)
Fungi done
clear
C)
Bacteria done
clear
D)
Viruses done
clear
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question_answer11)
The outer portion of the tooth above the gum is called
A)
the crown. done
clear
B)
the root. done
clear
C)
the enamel. done
clear
D)
the pulp. done
clear
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question_answer12)
In a tooth, blood vessels and nerves are present in the
A)
crown. done
clear
B)
pulp. done
clear
C)
root. done
clear
D)
enamel. done
clear
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question_answer13)
The number of molars in each jaw is
A)
four. done
clear
B)
two. done
clear
C)
one. done
clear
D)
six. done
clear
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question_answer14)
Raju buried a dead rat under the soil. When he dug up one year later, he found that it had decayed and decomposed. Which of the following is responsible for the decay?
A)
Bacteria done
clear
B)
Virus done
clear
C)
Sand done
clear
D)
Protozoa done
clear
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question_answer15)
Which of the following is used to see disease-causing germs?
A)
B)
C)
D)
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question_answer16)
The harmful, soft sticky layer formed on the tooth is called
A)
enamel. done
clear
B)
plaque. done
clear
C)
dentine. done
clear
D)
pulp. done
clear
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question_answer17)
Fill in the blank. Sugar + Plaque \[\xrightarrow{{}}\]
A)
Starch done
clear
B)
Enamel done
clear
C)
Acids done
clear
D)
Microbes done
clear
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question_answer18)
Wisdom teeth appear at the age between
A)
12-13 years. done
clear
B)
2-3 years. done
clear
C)
13-16 years. done
clear
D)
20-25 years. done
clear
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question_answer19)
The number of wisdom teeth are
A)
one. done
clear
B)
two. done
clear
C)
six. done
clear
D)
four. done
clear
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question_answer20)
Small pox is caused by
A)
bacteria. done
clear
B)
fungi. done
clear
C)
protozoa. done
clear
D)
virus. done
clear
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question_answer21)
Which of the following help baking bread and in the making of wine?
A)
Bacteria done
clear
B)
Viruses done
clear
C)
Protozoa done
clear
D)
Fungi done
clear
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question_answer22)
Which of the following is not a microbe?
A)
Bacteria done
clear
B)
Fungi done
clear
C)
Plaque done
clear
D)
Protozoa done
clear
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question_answer23)
Which of these get damaged by the action of the acid that is produced in the reaction between plaque and sugar?
A)
Tooth. done
clear
B)
Bones. done
clear
C)
Mouth. done
clear
D)
Stomach. done
clear
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question_answer24)
Teeth begin to appear at the age of
A)
two months. done
clear
B)
two years. done
clear
C)
six months. done
clear
D)
six years. done
clear
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question_answer25)
____ hold our teeth in place.
A)
Enamel done
clear
B)
Gums done
clear
C)
Dentine done
clear
D)
Plaque done
clear
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question_answer26)
Which of the following teeth helps to tear food?
A)
Incisors done
clear
B)
Premolars done
clear
C)
Molars done
clear
D)
Canines done
clear
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question_answer27)
Identify the organism given below.
A)
Protozoan done
clear
B)
Bacteria done
clear
C)
Virus done
clear
D)
Fungi done
clear
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question_answer28)
Observe the structure of a tooth given below.
Identify the part labelled 'X' in the given figure.
A)
Enamel done
clear
B)
Dentine done
clear
C)
Pulp done
clear
D)
Crown done
clear
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question_answer29)
Which of the following is a viral disease?
A)
Typhoid done
clear
B)
Influenza done
clear
C)
Tuberculosis done
clear
D)
Chlorea done
clear
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question_answer30)
Which of the following methods is most suitable to kill tiny microbes or germs and to remove the foul odour of pillows and beddings?
A)
Spraying perfume on them done
clear
B)
Exposing them to sunlight done
clear
C)
Soaking them in water done
clear
D)
Burning them done
clear
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question_answer31)
Which of the following devices is/are being used by scientists to observe microbes?
I - Microscope |
II - Bioscope |
III - Telescope |
A)
Only I done
clear
B)
Only II done
clear
C)
Only III done
clear
D)
Only II and III done
clear
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question_answer32)
Which of the following vitamins prevent the disease of bleeding gums or scurvy?
A)
Vitamin B done
clear
B)
Vitamin C done
clear
C)
Vitamin K done
clear
D)
Vitamin D done
clear
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question_answer33)
The figure below shows a tooth that is decayed.
What causes the decay in a tooth?
A)
Eating too many nuts done
clear
B)
Brushing teeth regularly done
clear
C)
Not exercising enough done
clear
D)
Bacteria in the mouth done
clear
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question_answer34)
We have different types of teeth canines, incisors, premolars and molars.
How do teeth help in digestion?
A)
They produce digestive juices. done
clear
B)
They break down or digest food into simple substances. done
clear
C)
They protect our digestive organs. done
clear
D)
They tear, cut, crush or grind food into small pieces. done
clear
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question_answer35)
Which of the following is used to know the rate of heart beat in our body?
A)
B)
C)
D)
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question_answer36)
Identify the tooth shown in the figure.
A)
Incisor done
clear
B)
Canine done
clear
C)
Molar done
clear
D)
Premolar done
clear
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question_answer37)
A teacher while taking a class on teeth said that you have four sets of teeth - 8 incisors, 4 canines, 8 premolars and 12 molars. He is talking about
A)
Temporary teeth. done
clear
B)
Permanent teeth. done
clear
C)
Teeth of a child. done
clear
D)
both [a] and [c] done
clear
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question_answer38)
Observe the picture.
Which of these teeth performs the function similar to the given figure?
A)
Incisors done
clear
B)
Premolars done
clear
C)
Canines done
clear
D)
Molars done
clear
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question_answer39)
Which doctor is consulted when we have a toothache?
A)
Dentist done
clear
B)
Cardiologist done
clear
C)
Surgen done
clear
D)
Nephrologist done
clear
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question_answer40)
Which of the following microbes grows on dead and rotting things?
A)
Virus done
clear
B)
Protozoa done
clear
C)
Algae done
clear
D)
Fungi done
clear
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question_answer41)
The teeth that are used for cracking hard food are _________
A)
molars. done
clear
B)
premolars. done
clear
C)
canines. done
clear
D)
incisors. done
clear
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question_answer42)
In the diagram given below, the teeth marked 'X' are called
A)
molars. done
clear
B)
premolars. done
clear
C)
incisors. done
clear
D)
canines. done
clear
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question_answer43)
Which kind of teeth is used for cutting food?
A)
Incisors done
clear
B)
Canines done
clear
C)
Premolars done
clear
D)
Molars done
clear
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question_answer44)
Which of these, when added, makes bread and cakes fluffy?
A)
Bacteria done
clear
B)
Viruses done
clear
C)
Protozoa done
clear
D)
Yeasts done
clear
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question_answer45)
The teeth that are well developed in carnivores are
A)
incisors. done
clear
B)
canines. done
clear
C)
premolars. done
clear
D)
molars. done
clear
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question_answer46)
The total number of premolars in our jaws are
A)
12. done
clear
B)
8. done
clear
C)
6. done
clear
D)
3. done
clear
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question_answer47)
This picture shows.
A)
a canine tooth. done
clear
B)
an incisor tooth. done
clear
C)
a premolar tooth. done
clear
D)
a molar tooth. done
clear
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question_answer48)
The surface or the hardest layer on a tooth is the ________
A)
enamel. done
clear
B)
dentine. done
clear
C)
cavity. done
clear
D)
both a and b. done
clear
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question_answer49)
Pencillin, an antibiotic, is obtained from
A)
bacteria. done
clear
B)
viruses. done
clear
C)
fungi. done
clear
D)
protozoa. done
clear
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question_answer50)
Which of these cause dandruff on your scalp?
A)
Fungi done
clear
B)
Viruses done
clear
C)
Protozoa done
clear
D)
Bacteria done
clear
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