Read and download free pdf of CBSE Class 9 Science Why Do We Fall ill Worksheet Set B. Download printable Science Class 9 Worksheets in pdf format, CBSE Class 9 Science Chapter 13 Why Do We Fall Ill Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 9 Assignments and practice them daily to get better marks in tests and exams for Class 9. Free chapter wise worksheets with answers have been designed by Class 9 teachers as per latest examination pattern
Chapter 13 Why Do We Fall Ill Science Worksheet for Class 9
Class 9 Science students should refer to the following printable worksheet in Pdf in Class 9. This test paper with questions and solutions for Class 9 Science will be very useful for tests and exams and help you to score better marks
Class 9 Science Chapter 13 Why Do We Fall Ill Worksheet Pdf
Question. Health is.
(A) Complete physical well being
(B) mental well being
(C) social well being
(D) all of the above
Answer : D
Question. Dislocation is a disease caused by
(A) Biological agent
(B) mechanical agent
(C) physical agent
(D) chemical agent
Answer : C
Question. Pathogens are destroyed by
(A) kidneys
(B) liver
(C) tonsils
(D) lymphatic tissues
Answer : D
Question. Antibodies are.
(A) lipids
(B) genes
(C) proteins
(D) carbohydrates
Answer : C
Question. Droplet infection is a mode of.
(A) direct transmission
(B) indirect transmission
(C) pathogen spread through mosquitoes
(D) tomite transmission
Answer : A
Question. A carrier is a human being that
(A) functions as a reservoir of infection
(B) possesses pathogen but is not harmed
(C) contains antibodies sufficient enough to balance the antigen
(D) all of the above
Answer : D
Question. The antigen present in pathogen is
(A) a specific protein involved in metabolism
(B) polysaccharide synthesized by it in the host
(C) a specific protein or polysaccharide present on its coat
(D) any of the two, A, or B.
Answer : C
Question. Specific defence mechanism against disease comprises
(A) physical barrier
(B) lysozme
(C) phagocytes
(D) immune system
Answer : D
Question. World Health Day Is On.
(A) 1ST May
(B) 7TH April
(C) 30th June
(D) 5th December
Answer : B
Question. A noninfectious unnatural and unusual reaction to a substance or condition is
(A) immunity
(B) allergy
(C) infection
(D) toxin
Answer : B
Question. AIDS day.
(A) May 1
(B) December 20
(C) June 1
(D) December 1
Answer : D
Question. Which are intimately related.
(A) Diseases and health
(B) Body and health
(C) Body and mind
(D) Body and spiritual health
Answer : D
Question. Which of the following statements is correct ?
(A) Degenerative diseases are non communicable
(B) Allergy is caused by droplet infection
(C) Cholera is a viral disease
(D) AIDS can be prevented by vaccination.
Answer : A
Question. Remain healthy means
(A) free of infection by pathogen
(B) tension free mental status
(C) Living in a pollution free environment
(D) All of the above
Answer : D
Question. Diseases occurring due to infected articles of a patient are called
(A) Air borne
(B) Water borne
(C) Fomite borne
(D) Food bome
Answer : C
Question. Pulse polio programme is organised in our country for.
(A) curing polio
(B) eradicating polio
(C) spreading polio
(D) non of the above
Answer : B
Click below to download practice worksheet for CBSE Class 9 Science Why Do We Fall ill Worksheet Set B
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Chapter 13 Why Do We Fall Ill CBSE Class 9 Science Worksheet
The above practice worksheet for Chapter 13 Why Do We Fall Ill has been designed as per the current syllabus for Class 9 Science released by CBSE. Students studying in Class 9 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 9 Science on a daily basis. All the latest practice worksheets with solutions have been developed for Science by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 9 Science students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 9 Science to develop the Science Class 9 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 9 Science designed by our teachers. After solving these you should also refer to Class 9 Science MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 9 Science which you can use to further make yourself better in Science.
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