Advertisements
Advertisements
Question
Why do you think it is not possible to produce vaccine against 'common cold'?
Advertisements
Solution
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.
RELATED QUESTIONS
Describe the asexual and sexual phases of life cycle of Plasmodium that causes malaria in humans
Name the causative organism of the disease amoebiasis. List three symptoms of the disease.
Why is Gambusia introduced into drains and ponds?
Expand MRI
Write the specific name of the genus Plasmodium that causes one of the most serious types of diseases in humans. Name the disease.
Malaria caused by Plasmodium is transmitted through ____________.
The sporozoite of the malarial parasite is present in _______.
A major reason for studying human aging is that:
Which of the following sets of diseases is caused by bacteria?
Which of the following disease is caused by a protozoan?
Ringworm in humans is caused by:
Which of the following is a pair of viral diseases?
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.
The clinical test that is used for diagnosis of typhoid is ______.
The sporozoites that cause infection when a female Anopheles mosquito bites a person, are formed in ______.
Which of the following is not the causal organism for ringworm?
Given below are the pairs of pathogens and the diseases caused by them. Which out of these is not a matching pair and why?
| (a) | Virus | common cold |
| (b) | Salmonella | typhoid |
| (c) | Microsporum | filariasis |
| (d) | Plasmodium | malaria |
“Plasmodium protozoan needs both a mosquito and a human host for its continuity.” Explain.
