5th Class General Knowledge Our Body Question Bank

done Our Body and Health Total Questions - 25

• question_answer1)
  The heart is the organ that pumps blood to the whole body. It has different chambers through which blood passes before being pumped throughout the body. How many chambers does the human heart have?
  A)
   2                                 done clear
  B)
   3                     done clear
  C)
        4                     done clear
  D)
        5 done clear
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• question_answer2)
  By the time food reaches the large intestine only water and roughage are left. It is here that most water is absorbed and stool is created. What is the approximate length of the large intestine?
  A)
   12m                 done clear
  B)
        7 m                  done clear
  C)
   50 cm  done clear
  D)
        1.5 m                           done clear
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• question_answer3)
  Which of the following is the longest bone in our body?
  A)
   Tibia                done clear
  B)
        Fibula   done clear
  C)
        Femur  done clear
  D)
        Humerus done clear
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• question_answer4)
  The backbone consists of 33 special bones most of which have cartilage tissue between them. What are the bones of the backbone called?
  A)
   Ribs                             done clear
  B)
   Phalanges         done clear
  C)
   Vertebrae          done clear
  D)
        Tarsals                         done clear
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• question_answer5)
  A large part of the human body by weight is water. What percentage of the adult human body is water?
  A)
   \[\sim 60%\]                  done clear
  B)
   \[\sim 25%\]      done clear
  C)
        \[\sim 80%\]      done clear
  D)
        \[\sim 90%\] done clear
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• question_answer6)
  These blood vessels take blood away from the heart to different parts of the body. The aorta is the biggest of these vessels. Which vessels are we talking about?
  A)
   Arteries done clear
  B)
   Veins    done clear
  C)
        Capillaries         done clear
  D)
        All of these done clear
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• question_answer7)
  In addition to eating a balanced diet, it is also very important to exercise regularly for good physical health. Which of the following is the correct benefit of exercise?
  A)
   It makes us tired. done clear
  B)
   It increases the flow of blood to the muscles. done clear
  C)
   Body gets time to relax. done clear
  D)
   None of these done clear
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• question_answer8)
  When a body is infected with HIV, the immune system gets suppressed. This results in Acquired Immunodeficiency Syndrome also known as AIDS. AIDS allows life-threatening infections and cancers to thrive most often causing death. What does HIV stand for?
  A)
   Hyper immunodeficient virus done clear
  B)
   Human immunodeficient virus done clear
  C)
   Human immunodeficiency virus done clear
  D)
   Human immunodefying virus done clear
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• question_answer9)
  Human beings are warm-blooded creatures. This means that for the body systems to function, the body temperature must remain constant. What is the average body temperature of a human being in Celsius?
  A)
   \[{{25}^{o}}C\]                      done clear
  B)
   \[{{32}^{o}}C\]          done clear
  C)
        \[\text{37 }\!\!{}^\circ\!\!\text{ C}\]       done clear
  D)
        \[\text{42 }\!\!{}^\circ\!\!\text{ C}\] done clear
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• question_answer10)
  The respiratory system (involving inhalation and exhalation processes) is responsible for taking in oxygen rich air and expelling carbon dioxide rich air. Which of the following is the sequence in which events occur in the inhalation process? P: Air pressure inside your lungs drops. Q: The diaphragm contracts. R: Air from outside rushes into your lungs.
  A)
   P, Q, R             done clear
  B)
   Q, P, R done clear
  C)
        R, P, Q done clear
  D)
        Q, R, P done clear
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• question_answer11)
  The human body consists of different systems. These often work together to enable various processes to take place. Which two systems work together closely to make movement possible?
  A)
   Skeletal system and respiratory system done clear
  B)
   Respiratory system and circulatory system done clear
  C)
   Circulatory system and muscular system done clear
  D)
   Skeletal system and muscular system done clear
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• question_answer12)
  Blood is a vital body fluid that is transported throughout the body by the circulatory system. What are the functions of blood?
  A)
   Transports oxygen, nutrients, and hormones throughout the body done clear
  B)
   Helps regulate your body temperature done clear
  C)
   Defends the body from infection done clear
  D)
   All of these done clear
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• question_answer13)
  'X' is the living tissue in the human body that does not contain any blood vessel. Identify X.
  A)
   Cornea done clear
  B)
        Hair                 done clear
  C)
   Enamel done clear
  D)
        Skin                             done clear
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• question_answer14)
  Muscles are spread all over the human body. Their contraction and relaxation makes movements possible. Where is the strongest muscle that exerts most pressure in the human body present?
  A)
   Stomach                       done clear
  B)
   Jaw                  done clear
  C)
        Thigh   done clear
  D)
        Neck                done clear
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• question_answer15)
  We need vitamin C for the growth and repair of tissues in all parts of the body, to make skin, cartilage, tendons, ligaments, and blood vessels. Which of the following is the richest source of vitamin C?
  A)
   Cheese             done clear
  B)
   Orange juice      done clear
  C)
        Potatoes           done clear
  D)
        Cow milk done clear
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• question_answer16)
  This system, related to overall species survival, is responsible for allowing a species to produce young ones and to continue to allow their genes to get passed down. Which system are we talking about?
  A)
   Excretory system done clear
  B)
   Nervous system done clear
  C)
   Reproductive system done clear
  D)
   Skeletal system done clear
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• question_answer17)
  Ligaments are fibrous connective tissue that _______.
  A)
   Connect bone to bone done clear
  B)
   Connect various blood vessels done clear
  C)
   Connect muscle to bone done clear
  D)
   None of these done clear
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• question_answer18)
  Which of the following disease is caused when plaque blocks the arteries which supply blood to the heart?
  A)
   Coronary heart disease done clear
  B)
   Haemophilia done clear
  C)
   Arthritis done clear
  D)
   Leukaemia done clear
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• question_answer19)
  A human being's sense of balance helps prevent him from falling over when standing or moving. Many organs work together to achieve this, mainly the ear. Where in the ears is a human being's sense of balance located?
  A)
   Outer ear done clear
  B)
   Inner ear done clear
  C)
   Middle ear done clear
  D)
   Both (a) and (c) done clear
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• question_answer20)
  Bacteria are classified according to their shapes. The most common ones are cocci, which are spherical, and bacilli, which are rod-shaped. Which of the following is not a type of bacteria?
  A)
   Vibrio (comma-shaped) done clear
  B)
   Spirilla (spiral-shaped) done clear
  C)
   Spirochaetes (corkscrew-shaped) done clear
  D)
   Helical done clear
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• question_answer21)
  Sanitation facilities are vital for hygiene. These include proper waste disposal and the availability of toilets with running water. Which of the following diseases can be contracted due to lack of sanitation?
  A)
   Leprosy            done clear
  B)
        Diarrhoea done clear
  C)
   Pellagra                        done clear
  D)
   Tuberculosis                  done clear
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• question_answer22)
  A child inherits characteristics from both its father and mother. What percentage of characteristics does it inherit from its mother?
  A)
   20%                             done clear
  B)
   25%                 done clear
  C)
   50%                 done clear
  D)
        75% done clear
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• question_answer23)
  Rama scraped her knee while climbing a tree at school. Which of the following systems responds to the wound by carrying white blood cells to it to help her fight infection?
  A)
   Respiratory system         done clear
  B)
   Circulatory system         done clear
  C)
   Nervous system done clear
  D)
   Muscular system done clear
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• question_answer24)
  These substances are special chemical messengers in the body that are created in the endocrine glands. They control most of the functions, from simple basic needs like hunger to complex systems like reproduction, and even the emotions and mood. What are these chemical messengers called?
  A)
   Enzymes                       done clear
  B)
   Plasma done clear
  C)
        Hormones         done clear
  D)
        Urine done clear
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• question_answer25)
  Match column I with column II and select the correct option from the codes given below.

  Column I	Column II
  1. Hepatitis	(a) Blood
  2. Pneumonia	(b) Liver
  3. Arthritis	(c) Joints
  4. Thalassaemia	(d) Lungs

  A)
   1-d, 2-c, 3-b, 4-a done clear
  B)
   1-d, 2-b, 3-a, 4-c done clear
  C)
   1-b, 2-d, 3-c, 4-a done clear
  D)
   1-a, 2-c, 3-d, 4-b done clear
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