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प्रश्न
Where do the following events in the life cycle of Plasmodium takes place?
a) Fertilization - _________
b) Development of gametocytes - __________
c) Release of sporozoites - ________
d) Schizogony - _________
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उत्तर
a) Fertilization - Gut of mosquito
b) Development of gametocytes - Human RBC’s
c) Release of sporozoites - From Mosquito to the human blood
d) Schizogony - Human liver cells
संबंधित प्रश्न
List the symptoms of Ascariasis. How does a healthy person acquire this infection?
What complications will arise if the blood of an Rh-positive person is transfused to an Rh-negative person and vice versa?
Give one significant difference between Humoral immunity and cell-mediated immunity.
Describe the events in the life cycle of Plasmodium which take place in the female Anopheles.
Mention the causative agent and the preventive measures for the following: Pneumonia.
Malaria caused by Plasmodium is transmitted through ____________.
The sporozoite of the malarial parasite is present in _______.
Write the scientific name of the filarial worm that causes 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?
Ringworm in humans is caused by:
The alveoli (air filled sacs) of the lungs are infected in
The clinical test that is used for diagnosis of typhoid is ______.
A person with sickle cell anemia is ______.
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 |
“Maintenance of personal and public hygiene is necessary for prevention and control of many infectious diseases”. Justify the statement giving suitable examples.
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 |
Write the scientific name of the causative agent of the following disease:
Typhoid
Write the mode of transmission for the following diseases:
Typhoid
