Advertisements
Advertisements
प्रश्न
Why do you think it is not possible to produce vaccine against 'common cold'?
Advertisements
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
Why is Gambusia introduced into drains and ponds?
Show with the help of a flow chart only, the life cycle of malarial parasite in humans.
Persons suffering from sickle cell anaemia are at an advantage in Malaria infected areas. Explain.
In the following questions/statements has four suggested answers. Rewrite the correct answer
Typhoid is classified as a:
(A) Viral disease
(B) Genetic disorder
(C) Bacterial disease
(D) Protozoan disease
Write the specific name of the genus Plasmodium that causes one of the most serious types of diseases in humans. Name the disease.
Explain what happens in the RBCs of the humans when Plasmodium gains entry into them. How does the human body gets affected?
Mention the causative agent and the preventive measures for the following: Pneumonia.
Compare and contrast bacillary dysentery and amoebic dysentery.
The alveoli (air filled sacs) of the lungs are infected in
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 following table shows certain diseases, their causative organisms and symptoms. Fill the gaps.
| Name of the Disease | Causative organism | Symptoms | |
| (i) | Ascariasis | Ascaris | ______ |
| (ii) | ______ | Trichophyton | Appearance of dry, scaly lesions on various parts of the body |
| (iii) | Typhoid | ______ | High fever, weakness, headache, stomach pain, constipation. |
| (iv) | Pneumonia | Streptococcus pneumoniae | ______ |
| (v) | ______ | Rhino viruses | Nasal congestion and discharge, sorethroat, cough, headache |
| (vi) | Filariasis | ______ | Inflammation in lower limbs |
Represent schematically the life cycle of a malarial parasite.
Ringworm is one of the most common infectious fungal disease in humans. state any of its two symptoms.
“Plasmodium protozoan needs both a mosquito and a human host for its continuity.” Explain.
Which particles are responsible for causing the greatest harm to human health?
Write the mode of transmission for the following diseases:
Typhoid
How does the transmission of the following disease take place?
Malaria
Match List I with List II.
| List I | List II |
| A. Typhoid | I. Fungus |
| B. Leishmaniasis | II. Nematode |
| C. Ringworm | III. Protozoa |
| D. Filariasis | IV. Bacteria |
Choose the correct answer from the options given below:
