4th Class Science Human Body and their Needs Question Bank

done Functioning Of Human Bod Total Questions - 40

• question_answer1)
  Which of the following is not correct about the teeth?
  A)
  They give proper shape to our face. done clear
  B)
  They help us to chew food. done clear
  C)
  They help us to speak clearly. done clear
  D)
  They make digestion easy. done clear
  E)
  None of these done clear
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• question_answer2)
  Match the following:

  [A] Incisors	(I)  cracking teeth
  [B] Canines	(II) cutting teeth
  [C] Premolars	(III) grinding teeth
  [D] Molars	(IV) tearing teeth

  A)
  (A - III), (B - I), (C - IV), (D - II) done clear
  B)
  (A - IV), (B - III), (C - II), (D - I) done clear
  C)
  (A - II), (B - I), (C - IV), (D - III) done clear
  D)
  (A - II), (B - IV), (C - I), (D - III) done clear
  E)
  None of these done clear
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• question_answer3)
  Number of milk teeth in humans is:
  A)
  22                                 done clear
  B)
  20 done clear
  C)
  24                                 done clear
  D)
  32 done clear
  E)
  None of these done clear
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• question_answer4)
  There are ____ permanent teeth in our mouth.
  A)
  25                                 done clear
  B)
  32 done clear
  C)
  34                                 done clear
  D)
  30 done clear
  E)
  None of these done clear
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• question_answer5)
  Number of teeth in each jaw in humans:
  A)
  18                                 done clear
  B)
  14 done clear
  C)
  16 done clear
  D)
  20 done clear
  E)
  None of these done clear
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• question_answer6)
  Which one statement among the following is not correct about incisors?
  A)
  There are 4 incisors in each jaw in humans. done clear
  B)
  They are front teeth. done clear
  C)
  They are cutting and biting teeth. done clear
  D)
  They are crushing teeth. done clear
  E)
  None of these done clear
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• question_answer7)
  _______ are also known as teeth for tearing food.
  A)
  Canines done clear
  B)
  Incisors done clear
  C)
  Premolars                      done clear
  D)
  Molars done clear
  E)
  None of these done clear
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• question_answer8)
  Molars are used for:
  A)
  Cutting and biting food. done clear
  B)
  Tearing food. done clear
  C)
  Cracking food. done clear
  D)
  Grinding food. done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer9)
  In humans there are ____ molars in each jaw.
  A)
  Six        done clear
  B)
  Two done clear
  C)
  Four                              done clear
  D)
  Three done clear
  E)
  None of these done clear
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• question_answer10)
  These teeth are meant for cracking food.
  A)
  Incisors              done clear
  B)
  Premolars done clear
  C)
  Canines             done clear
  D)
  Both [a] and [c] done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer11)
  Which one among the following is not a part of a tooth?
  A)
  Enamel              done clear
  B)
  Root done clear
  C)
  Decay done clear
  D)
  Neck done clear
  E)
  None of these done clear
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• question_answer12)
  Hardest substance of human body is:
  A)
  Thigh bone                     done clear
  B)
  Elbow bone done clear
  C)
  Enamel  done clear
  D)
  Rib done clear
  E)
  None of these done clear
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• question_answer13)
  The soft part of the tooth which has blood vessels is:
  A)
  Dentine              done clear
  B)
  Pulp done clear
  C)
  Enamel              done clear
  D)
  Root done clear
  E)
  None of these done clear
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• question_answer14)
  Which one among the following is a cause of tooth decay?
  A)
  Regular brushing. done clear
  B)
  Eating food that are high in sugar. done clear
  C)
  Flossing done clear
  D)
  Visiting a dentist after every 6 months. done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer15)
  A sticky coating formed by bacteria on teeth is:
  A)
  Decay               done clear
  B)
  Enamel done clear
  C)
  Plaque   done clear
  D)
  Saliva done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer16)
  Which is the most important mineral for healthy teeth?
  A)
  Iron                               done clear
  B)
  Potassium done clear
  C)
  Sodium             done clear
  D)
  Calcium done clear
  E)
  None of these done clear
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• question_answer17)
  The vitamin which plays an important role in maintaining healthy teeth and gums is:
  A)
  Vitamin C done clear
  B)
  Vitamin K done clear
  C)
  Vitamin B                                  done clear
  D)
  Vitamin E done clear
  E)
  None of these done clear
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• question_answer18)
  The outermost layer of teeth is:
  A)
  Dentine              done clear
  B)
  Enamel done clear
  C)
  Pulp                              done clear
  D)
  Root done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer19)
  ____ are disease causing microbes.
  A)
  Antibiotic                       done clear
  B)
  Malaria done clear
  C)
  Dysentery                      done clear
  D)
  Germs done clear
  E)
  None of these done clear
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• question_answer20)
  We should eat _____ diet.
  A)
  Unhealthy                      done clear
  B)
  Improper done clear
  C)
  Balanced           done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer21)
  Typhoid is caused by:
  A)
  Virus done clear
  B)
                     Bacteria done clear
  C)
  Fungi                 done clear
  D)
  Protozoa done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer22)
  Which one of the following is not a disease?
  A)
  Tuberculosis                   done clear
  B)
  Typhoid done clear
  C)
  Protozoa done clear
  D)
  Malaria done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer23)
  Match the following:

  [A]	Fungi	(I)	Malaria
  [B]	Bacteria	(II)	Polio
  [C]	Protozoa	(III)	Ringworm
  [D]	Virus	(IV)	Tuberculosis

          
  A)
  (A - III), (B - II), (C - IV), (D - I) done clear
  B)
  (A - III), (B- IV), (C - I), (D - II) done clear
  C)
  (A - IV), (B - III), (C - II), (D - I) done clear
  D)
  (A - II), (B - I), (C - IV), (D - III) done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer24)
  Which one of the following is not a microbe?
  A)
  Fungi                 done clear
  B)
  Bacteria done clear
  C)
  Tapeworm         done clear
  D)
  Virus done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer25)
   ____ is caused by virus.
  A)
  Malaria              done clear
  B)
  Ringworm done clear
  C)
  Dengue done clear
  D)
  Typhoid done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer26)
  Which of the following diseases is not caused by protozoa?
  A)
  Malaria  done clear
  B)
         Food poisoning done clear
  C)
  Dysentery                      done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer27)
  This microbe helps in changing milk into curd.
  A)
  Virus                 done clear
  B)
  Bacteria done clear
  C)
  Fungi                 done clear
  D)
  Protozoa done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer28)
  The microorganism which is used for making bread.
  A)
  Protozoa                        done clear
  B)
  Fungi done clear
  C)
  Bacteria             done clear
  D)
  Virus done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer29)
  Which one of the following is not a type of teeth?
  A)
  Canine              done clear
  B)
  Molar done clear
  C)
  Incisor               done clear
  D)
  Plaque done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer30)
  Which one of the following statements is not correct about the microbes?
  A)
  Some microbes are harmful for us. done clear
  B)
  Microbes can be seen by naked eyes. done clear
  C)
  Microbes can be found everywhere. done clear
  D)
  Microbes can grow inside or outside our body. done clear
  E)
  None of these done clear
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• question_answer31)
  ____teeth are first set of teeth.
  A)
  Permanent                     done clear
  B)
  Temporary done clear
  C)
  Both [a] and [b] done clear
  D)
         Either [a] or [b] done clear
  E)
  None of these done clear
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• question_answer32)
   ____ is also known as food pipe.
  A)
  Stomach                        done clear
  B)
  Small intestine done clear
  C)
  Large intestine done clear
  D)
         Oesophagus done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer33)
  Food from stomach passes to:
  A)
  Liver                             done clear
  B)
  Small intestine done clear
  C)
  Large intestine done clear
  D)
         Oesophagus done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer34)
  Carnivorous animals have long, sharp ____ teeth.
  A)
  Incisors              done clear
  B)
  Premolars done clear
  C)
  Canine done clear
  D)
  Molars done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer35)
  This is not a way of keeping teeth clean.
  A)
  Rinsing              done clear
  B)
  Flossing done clear
  C)
  Brushing                        done clear
  D)
  Bathing done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer36)
  Which one of the following functions is not performed by the teeth?
  A)
  Cutting              done clear
  B)
  Chewing done clear
  C)
  Grinding            done clear
  D)
  Flossing done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer37)
  Which of the following is a rich source of calcium?
  A)
  Milk                              done clear
  B)
  Cheese done clear
  C)
  Almonds                        done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer38)
  Chewing of food helps in:
  A)
  Respiration                     done clear
  B)
  Digestion done clear
  C)
  Photosynthesis done clear
  D)
         Reproduction done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer39)
  Which one of the following habits we must follow to keep our digestive system working properly?
  A)
  Eat food once a day. done clear
  B)
  Swallow food without chewing done clear
  C)
  Eat a balanced diet. done clear
  D)
  Avoid chewing food. done clear
  E)
  None of these done clear
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• question_answer40)
  Liver and pancreas pour their juices into:
  A)
  Small intestine done clear
  B)
  Large intestine done clear
  C)
  Food pipe                      done clear
  D)
  Mouth done clear
  E)
  None of these done clear
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