Advertisements
Advertisements
प्रश्न
List the causative agent, mode of transmission and symptoms for Diphtheria and Typhoid.
Advertisements
उत्तर
| Diseases | Causative agent | Site of infection | Mode of transmission | Symptoms |
| Diphtheria | Corynebacterium diphtheriae | Larynx, skin, nasal and genital passage | Droplet infection | Fever, sore throat, hoarseness, and difficulty in breathing |
| Typhoid | Salmonella typhi | Intestine | Through contaminated food and water | Headache, abdominal discomfort, fever, and diarrhoea |
संबंधित प्रश्न
Describe the asexual and sexual phases of life cycle of Plasmodium that causes malaria in humans
Study a part of the life cycle of malarial parasite given below. Answer the questions that follow:
(a) Mention the roles of ‘A’ in the life cycle of the malarial parasite.
(b) Name the event ‘C’ and the organ where this event occurs.
(c) Identify the organ ‘B’ and name the cells being released from it.
Persons suffering from sickle cell anaemia are at an advantage in Malaria infected areas. Explain.
Write the specific name of the genus Plasmodium that causes one of the most serious types of diseases in humans. Name the disease.
Answer the following question.
Mention the special adaptations evolved in parasites and why?
Which of the following disease is spread through droplet nuclei?
Complete the following table:
| Diseases | Causative agent | Site of infection | Incubation period |
| Mumps | |||
| Chicken pox | |||
| Dengue fever |
Write the symptoms of filariasis.
| Diseases | Causative agent | Symptoms |
| Ascariasis | Ascaris | |
| Trichophyton | Appearance of dry, scaly lesions on various parts of the body | |
| Typhoid | High fever, weakness, headache, stomach pain and constipation. | |
| Pneumonia |
Which of the following sets of diseases is caused by bacteria?
Which of the following disease is caused by a protozoan?
The active form of entamoeba histolytica feed upon:
Which of the following is a pair of viral diseases?
The alveoli (air filled sacs) of the lungs are infected in
The organisms which cause diseases in plants and animals are called ______.
Certain pathogens are tissue/organ specific. Justify the statement with suitable examples.
Why is it that during changing weather, one is advised to avoid closed, crowded and airconditioned places like cinema halls etc.?
Represent schematically the life cycle of a malarial parasite.
A patient complains of suffering from constipation, stomach ache, stool with blood clots and excess mucous. The physician diagnosed it as amoebiasis, after stool test.
- Write the scientific name of the microbe identified in the stool sample.
- How do you think, the patient must have contracted it?
- Write your suggestions to the patient to avoid infection in future.
