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Class 4 Science MCQs Chapter 3

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Chapter No. 3 Test No. 1

1. It is important to observe the symptoms of a disease to ________. ⓐ Finish ⓑ Diagnose ⓒ Both a & b ⓓ None of these
Diagnose
2. The human body normal temperature is _____ ⓐ 98.6 oF ⓑ 37 oC ⓒ Both a & b ⓓ None of these
Both a & b
3. When our body temperature crosses (98.6 F or 37 C), then it is called ___. ⓐ Cough ⓑ Virus ⓒ Corona ⓓ Fever
Fever
4. ______ is an instant response of our body. ⓐ Cough ⓑ Disease ⓒ Virus ⓓ None of these
Cough
5. ____ is not a disease but it is a symptom of a disease. ⓐ Cough ⓑ Virus ⓒ Corona ⓓ Fever
Fever
6. The body temperature of humans is measured in degree ______, which is written as oF. ⓐ Falcon ⓑ Freeze ⓒ Fahrenheit ⓓ All of these
Fahrenheit
7. The human body temperature is measured by clinical _________. ⓐ Injection ⓑ Stethoscope ⓒ Thermometer ⓓ None of these
Thermometer
8. The _______ removes the obstruction of windpipe. ⓐ Fever ⓑ Thermometer ⓒ Coughing ⓓ Both a & c
Coughing
9. The coughing removes _______of wind pipe. ⓐ Mucus ⓑ Virus ⓒ Flu ⓓ None of these
Mucus
10. The viruses and bacteria present in the nose are expelled out due to ____. ⓐ Fever ⓑ Virus ⓒ Sneezing ⓓ None of these
Sneezing
11. ______ is a disease as well as symptom of a disease. ⓐ Cancer ⓑ Flu ⓒ Polio ⓓ None of these
Flu
12. The disease which can transmit from one person to another person is called ________disease. ⓐ Contagious ⓑ Non-Contagious ⓒ Both a & b ⓓ None of these
Contagious
13. Flu, polio, tuberculosis (TB), hepatitis and covid-19 are ________ disease. ⓐ Contagious ⓑ Non-Contagious ⓒ Both a & b ⓓ None of these
Contagious
14. The ____patient complains about congested or runny nose and headache. ⓐ Heart attack ⓑ Blood cancer ⓒ Cancer ⓓ Flu
Flu
15. Polio is caused by a particular type of germ called _______. ⓐ Bacteria ⓑ Non-contagious ⓒ Cancer ⓓ Virus
Virus
16. The polio virus remains present in ______ of human. ⓐ Throat ⓑ Intestines ⓒ Both a & b ⓓ None of these
Both a & b
17. Polio virus _________ the legs permanently. ⓐ Break ⓑ Paralyses ⓒ Good for ⓓ None of these
Paralyses
18. Polio virus has _____ treatment. ⓐ Many ways of ⓑ No ⓒ Always ⓓ None of these
No
19. Polio virus is transmitted through ________ ⓐ Food ⓑ Water ⓒ Air ⓓ All of these
All of these
20. TB is caused by particular types of germ called _______. ⓐ Virus ⓑ Bacteria ⓒ Corona ⓓ Polio
Bacteria
21. TB usually affects _______. ⓐ Heart ⓑ Stomach ⓒ Lungs ⓓ None of these
Lungs
22. TB, flu and COVID – 19 are transmitted from one person to another. ⓐ Coughing ⓑ Sneezing ⓒ Use articles of patient ⓓ All of these
All of these
23. The inflammatory condition of the liver is called______. ⓐ TB ⓑ Corona ⓒ Polio ⓓ hepatitis
hepatitis
24. The hepatitis germs are transmitted through _______. ⓐ polluted water ⓑ Food ⓒ Blood ⓓ All of these
All of these
25. The cause of covid-19 is a virus, which is called corona_______. ⓐ Bacteria ⓑ Symptoms ⓒ Virus ⓓ All of these
Virus
26. Corona virus is transmitted from one person to another through _________ ⓐ Coughing ⓑ Sneezing ⓒ Use articles of patient ⓓ All of these
All of these

Chapter No. 3 Test No. 2

27. The disease which is not transmitted from one person to another person is called ___________. ⓐ Contagious ⓑ Non-Contagious ⓒ Both a & b ⓓ None of these
Non-Contagious
28. Examples of non-contagious disease is/are _____ ⓐ Diabetes ⓑ Cancer ⓒ Both a & b ⓓ None of these
Both a & b
29. The disease in which sugar level in the blood increased becomes high is known as ________. ⓐ Diabetes ⓑ Cancer ⓒ Both a & b ⓓ None of these
Diabetes
30. The symptoms of diabetes are ⓐ Hunger & thirst ⓑ Urination and fatigue ⓒ Weight loss ⓓ All of these
All of these
31. There is an uncontrolled increase in the number of cells of the affected organ in __________. ⓐ Diabetes ⓑ Cancer ⓒ Both a & b ⓓ None of these
Cancer
32. To remain safe from contagious diseases by ⓐ Washing hands ⓑ Wearing mask ⓒ Vaccination ⓓ All of these
All of these
33. Global washing day is celebrated on_________. ⓐ 15thOctober ⓑ 15th November ⓒ 15thDecember ⓓ 15thJanuary
15th October
34. Wash the hands properly for at least _______ with soap before and after meal. ⓐ 2 minutes ⓑ 20 minutes ⓒ 2 seconds ⓓ 20 seconds
20 seconds
35. _________ is a protection of nose and mouth from environment. ⓐ Mask ⓑ Flu ⓒ Germs ⓓ None of these
Mask
36. The germ cannot enter the body through nose and mouth by wearing a ⓐ Mask ⓑ Flu ⓒ Germs ⓓ None of these
Mask
37. In ________process the weak or dead germs of any disease are injected into the body. ⓐ Vaccination ⓑ Polio ⓒ Bacteria ⓓ Cancer
Vaccination
38. Vaccination produces antibodies in the blood to fight disease and develops _______ ⓐ Corona ⓑ Immunity ⓒ Blood ⓓ None of these
Immunity
39. ________ disease may cause lifelong disability ⓐ TB ⓑ Corona ⓒ Polio ⓓ None of these
Polio
40 Polio drops should be administrated to the children up to the age of __years. ⓐ 4 ⓑ 5 ⓒ 6 ⓓ 7
5
41. The diet which contains all types of food (milk, cereals, meat, vegetables and fruits) in proper quantity is called ______diet. ⓐ High ⓑ Low ⓒ Large ⓓ balanced
balanced
42. Most of diseases are caused by drinking _______ water. ⓐ Filter ⓑ Lake ⓒ Polluted ⓓ None of these
Polluted
43. Children must sleep ________ hours daily. ⓐ 8 to 10 ⓑ 10 to 12 ⓒ 6 to 8 ⓓ None of these
10 to 12

44. The food has been divided into ______ groups.
ⓐ 2 ⓑ 3 ⓒ 4 ⓓ 5

4 Explanation:
Dairygroups (milk →butter, cheese, yogurt)
Graingroups (rice, barley, wheat etc)
Meat or proteingroup (beef, mutton, eggs)
Fruits and vegetablesgroup (mango, apple, turnip, radish etc).
45. A diet that contains different kinds of food in proper quantity and proportion to fulfill the need of the body is called a ________diet. ⓐ High ⓑ Low ⓒ Large ⓓ balanced
Balanced

Chapter No. 3 Test No. 3

46. Calcium, iron, sodium, chlorine, fluorine and iodine etc. are called. ⓐ Vitamins ⓑ Carbohydrates ⓒ Minerals ⓓ None of these
Minerals
47. _______ percent of human body consists of water. ⓐ 60 ⓑ 70 ⓒ 80 ⓓ 50
60
48. Blood circulates in the body and provides oxygen and food to every part of the body due to ________ ⓐ Vitamins ⓑ Minerals ⓒ Water ⓓ None of these
Water
49. _______ are present in the polluted water. ⓐ Vitamins ⓑ Minerals ⓒ Germs ⓓ Healthy life
Germs
50. Drinking polluted water may cause diseases like: ⓐ Cholera ⓑ Typhoid ⓒ Hepatitis ⓓ All of these
All of these
51. Every year global water day is celebrated on______. ⓐ 21st March ⓑ 22nd March ⓒ 23rd March ⓓ 24th March
22nd March
52. The purpose of world water day is to _______ of water. ⓐ Avoid wastage ⓑ Clean ⓒ Bathing ⓓ None of these
Avoid wastage
53. Air consists of ________ ⓐ Gases ⓑ Dirt ⓒ Particles ⓓ All of these
All of these
54. Different dust particles in air mix with rain water and make them _________ ⓐ Clean ⓑ Filter ⓒ Distilled ⓓ Polluted
Polluted
55. ________ is the easiest way to clean water. ⓐ Filtration ⓑ Distillation ⓒ Boiling ⓓ None of these
Boiling
56. The process by which the particles present in water are separated by a filter is called ______. ⓐ Filtration ⓑ Distillation ⓒ Boiling ⓓ None of these
Filtration
57. _______ is/are the methods of cleaning water. ⓐ Boiling ⓑ Filtration ⓒ Both a & b ⓓ None of these
Both a & b
58. If our body temperature increases from 98.6F to 101F then its cause is: ⓐ Hot weather ⓑ Fever ⓒ Sitting in the sun ⓓ Sitting near fire
Fever
59. In which food most of the calcium is found? ⓐ Meat ⓑ Rice ⓒ Milk ⓓ Pulse
Milk
60 If you have flu then what will do to save yourself and other? ⓐ Will exercise ⓑ Will sleep for more time ⓒ Will sit in the sun ⓓ Will wear mask
Will wear mask
61. What is cause of polio? ⓐ Bacteria ⓑ Virus ⓒ House fly ⓓ Mosquito
Virus
62. It is necessary for the prevention from contagious disease: ⓐ wearing mask, washing hand, vaccination. ⓑ Wearing mask, washing hand, sitting in the sun ⓒ Washing hands, sitting in the sun, sleeping more ⓓ Vaccination, washing hand, not sitting in the sun
wearing mask, washing hand, vaccination.