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प्रश्न
Why do you think it is not possible to produce vaccine against 'common cold'?
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उत्तर
Vaccines target specific pathogens and elicit immunity. In case of common cold, more than 200 strains of viruses are responsible for causing the disease. Hence it is practically difficult to develop vaccine against it.
संबंधित प्रश्न
Mention the causative agent and the preventive measures for the following: Pneumonia.
List the causative agent, mode of transmission and symptoms for Diphtheria and Typhoid.
Compare and contrast bacillary dysentery and amoebic dysentery.
| 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 |
What is Kala-azar?
Recognition of an antigenic protein of a pathogen or exposure to a pathogen occurs during many types of immune responses, including active immunity and induced active immunity.
Specify the types of responses elicited when human beings get encountered by a pathogen.
Leishmaniasis is a disease caused by a protozoan parasite transmitted by biting of ______.
Pons varolii in human brain lies:
Which of the following sets of diseases is caused by bacteria?
Which of the following viruses is not transferred through the semen of an infected male?
Which of the following is a pair of viral diseases?
Typhoid is transmitted through ______
Pneumonia is caused by ______.
Match List - I with List - II.
| List I | List II | ||
| (a) | Filariasis | (i) | Haemophilus influenzae |
| (b) | Amoebiasis | (ii) | Trichophyton |
| (c) | Pneumonia | (iii) | Wuchereria bancrofti |
| (d) | Ringworm | (iv) | Entamoeba histolytica |
Choose the correct answer from the options given below.
If there are two pathogenic viruses, one with DNA and other with RNA, which would mutate faster? And Why?
Which particles are responsible for causing the greatest harm to human health?
Write the scientific name of the causative agent of the following disease:
Typhoid
Write the mode of transmission for the following diseases:
Typhoid
How does the transmission of the following disease take place?
Ascariasis
