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प्रश्न
The sporozoites of Plasmodium vivax are formed from ________.
विकल्प
Gametocytes
Sporoblasts
Oocysts
Spores
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उत्तर
The sporozoites of Plasmodium vivax are formed from Oocysts.
संबंधित प्रश्न
Describe the asexual and sexual phases of life cycle of Plasmodium that causes malaria in humans
Study a part of the life cycle of malarial parasite given below. Answer the questions that follow:
(a) Mention the roles of ‘A’ in the life cycle of the malarial parasite.
(b) Name the event ‘C’ and the organ where this event occurs.
(c) Identify the organ ‘B’ and name the cells being released from it.
Name two diseases whose spread can be controlled by the eradication of Aedes mosquitoes.
Answer the following question.
Mention the special adaptations evolved in parasites and why?
Name a human disease, its causal organism, symptoms (any three) and vector, spread by intake of water and food contaminated by human faecal matter.
Complete the following table:
| Diseases | Causative agent | Site of infection | Incubation period |
| Mumps | |||
| Chicken pox | |||
| Dengue fever |
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 |
A major reason for studying human aging is that:
Which of the following sets of diseases is caused by bacteria?
Widal test is carted out to test:
Pneumonia is caused by ______.
The organisms which cause diseases in plants and animals are called ______.
Many diseases can be diagnosed by observing the symptoms in the patient. Which group of symptoms are indicative of pneumonia?
A person with sickle cell anemia is ______.
If there are two pathogenic viruses, one with DNA and other with RNA, which would mutate faster? And Why?
“Plasmodium protozoan needs both a mosquito and a human host for its continuity.” Explain.
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:
