Advertisements
Advertisements
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 - _________
Advertisements
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
Name the causative organism of the disease amoebiasis. List three symptoms of the disease.
Why is Gambusia introduced into drains and ponds?
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.
Which of the following disease is spread through droplet nuclei?
Exo-erythrocytic schizogony of Plasmodium takes place in ____________.
The sporozoites of Plasmodium vivax are formed from ________.
Haemozoin is ____________.
Why do you think it is not possible to produce vaccine against 'common cold'?
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 ______.
A person with sickle cell anemia is ______.
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.?
The harmful allele of sickle cell anemia has not been eliminated from human population. Such afflicted people derive some other benefit. Discuss.
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 |
Ringworm is one of the most common infectious fungal disease in humans. Name any two genera of fungi which cause ringworm.
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.
Select the pathogen mismatched with the symptoms of disease caused by it from the list given below:
