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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV? - Biology

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प्रश्न

AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?

विकल्प

  • Transfusion of contaminated blood

  • Sharing the infected needles

  • Shaking hands with infected persons

  • Sexual contact with infected persons

MCQ
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उत्तर

Shaking hands with infected persons

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अध्याय 8: Human Health and Diseases - MULTIPLE CHOICE QUESTIONS [पृष्ठ ५३]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
अध्याय 8 Human Health and Diseases
MULTIPLE CHOICE QUESTIONS | Q 12. | पृष्ठ ५३

संबंधित प्रश्न

What is cancer?


Name the main five types of cancer.


What is ‘Leukemia’?


  1. How is a tumor formed in the body?
  2. What are the two types of tumor?
  3. Which of these under goes metastasis?

Explain any four therapies used in treatment of cancer.


Which type of cancer affects lymph nodes and spleen?


Cancer of the epithelial cells is called ______.


Carcinogens are cancer causing agents.


Chemotherapy: Chemicals: Radiation therapy: ______.


Cancers of connective tissues are called ______.


Cancer is related to ______


Cancer causing genes are called ______.


In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called ______.


If a patient is advised Anti Retroviral Therapy, which infection is he suffering from? Name the causative organism.


In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions.

Fill in (1) and (2)

Why is the virus called retrovirus?

Can the infected cell survive while viruses are being replicated and released?


What are the methods of cancer detection? Describe the common approaches for treatment of cancer.


Immunotherapy these days is one of the most efficient ways of treatment of cancer. The therapy involved activates the immune system and destroys the tumour.

  1. Write an example of one such biological response modifier used in immunotherapy.
  2. Why do patients need such substances if immune system is already working in body?
  3. State what is 'Contact inhibition'.

Which one of the following diseases is non - communicable?


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