Question

17. Sukriti and Priya are good friends and study in a reputed school. On a hot summer day, while they both were

playing in the school playground, Priya felt uncomfortable and sat down. After some time she developed acute

headache and high fever. Her legs stopped moving and she also felt some stiffness in her neck. Soon she became

unconscious.

(i) Identify the disease which Priya has contracted, along with its causative agent and mode of transmission:

Sr. No. Disease Causative agent Mode of transmission

(a) Malaria Protozoan Bite of infected Anopheles

(b) Tuberculosis Bacteria Contaminated water

(c) Polio Virus Faecal oral route

(d) Diphtheria Fungus Sharing of clothes

(ii) What could be the probable reason for Sukriti not being affected by pathogen of this disease?

(a) Sukriti’s immune system has already encountered the weakened pathogens and developed memory cells,

which produce antibodies whenever pathogens enters her body

(b) Sukriti had actually contracted the disease few months back and recovered, hence her immune system has

developed memory cells which prevent any subsequent pathogen attack

(c) Sukriti is taking antibiotics regularly, which kill the pathogens entering her body and prevent the actual

disease

(d) Sukriti has received antibodies against the pathogen from her mother via placenta so she is immune to the

pathogen of this disease by birth

(iii)Read the given sentences and select the option which is correct:

I. P causes ulcers in stomach and duodenum

II. Q disease last for only short period of time

III. R disease last for long period of time

IV. Typhoid causing microbes are transmitted through S and move to T and thus cause infection

(a) P – Salmonella typhi, Q – Chronic, R – Acute, S – Food, T – Brain

(b) P – Virus, Q – Acute, R – Chronic, S – Air, T – Lungs

(c) P – Helicobactor pylori, Q –Acute, R – Chronic, S – Food, T – Intestine

(d) P – Fungus, Q – Infectious, R – Non-infectious, S – Water, T – Liver

(iv) Vaccination is

(a) Develop resistance against the attack of a disease (b) Can control every disease

(c) Roll all the disease causing organism in the area (d) Involve the use of antibodies

(v) Which of the following part of disease is caused by virus?

(a) Rabies and mumps (b) Cholera and TB

(c) Typhoid and tetanus (d) AIDS and syphilis
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Answer 1

Answer:

Sorry but the script is very long.

Answer 2

Answer:

sorry but script is Very long