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.

Your comments:

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

Your comments:

Question 2 of 10

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

Retro viruses

Gemini viruses

Lysogenic viruses

Bacteriophages

Your comments:

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

Your comments:

Question 4 of 10

5. AIDS was first discovered in

1984 in France

1981 in America

1984 in America

1981 in Asia

Your comments:

Question 5 of 10

6. The AIDS test is known as

ELISA

Australian antigen

HIV test

None of these

Your comments:

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

Your comments:

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

Your comments:

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

Your comments:

Question 9 of 10

10. AIDS-day is celebrated on

1st December

5th June

1st October

11th July

Your comments:

Question 10 of 10

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