AIDS and Cancer, Class 12 Biology NCERT Solutions

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Cervical cancer can be caused by

 Chlamydia sp.

 Human papilloma virus

 Herpes simplex virus

 Salmonella sp.

Question 1 of 10

2. 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:

  metagenesis

 mitosis

 metastasis

 teratogenesis

Question 2 of 10

3. HIV is a member of group of viruses called:

 Retro viruses

 Gemini viruses

 Lysogenic viruses

 Bacteriophages

Question 3 of 10

4. Carcinoma refers to

  Malignant tumour of colon

 Malignant tumours of skin or mucous membrane

 Malignant tumour of muscular tissue

 Benign tumour of connective tissue

Question 4 of 10

5. AIDS was first discovered in

  1984 in France

 1981 in America

 1984 in America

 1981 in Asia

Question 5 of 10

6. The AIDS test is known as

 ELISA

 Australian antigen

 HIV test

 None of these

Question 6 of 10

7.

HIV is classified as a retrovirus because its genetic information is carried in

  DNA instead of RNA

 RNA instead of DNA

 DNA

 Protein coat

Question 7 of 10

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

  Shaking hands with infected persons

 Transfusion of contaminated blood

 Sexual contact ‘with infected persons

 Sharing the infected needles

Question 8 of 10

9. Electron-beam therapy is a kind of radiation therapy to treat

 Gall bladder stones by normal cells

 Kidney stones

 Enlarged prostate gland

 Certain types of cancers

Question 9 of 10

10. AIDS-day is celebrated on

  1st December

 5th June

 1st October

 11th July

Question 10 of 10

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