Cancer, HIV And AIDS Test

Cancer, HIV And AIDS

This is online test 03 for CBSE class 12 Biology Human Health and Disease (Cancer, HIV and AIDS).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which of the following is major cause of lung cancer?
  • A
    Intake of alcohol
  • B
    Tobacco smoking
    Correct
  • C
    Industrial dust
  • D
    Drug abuse
2
A certain patient is suspected to be suffering from Acquired Immuno Deficiency Syndrome. Which diagnostic technique will you recommend for its detection?
  • A
    Ultra Sound
  • B
    WIDAL
  • C
    ELISA
    Correct
  • D
    MRI
3
Study the following : A. The cells of malignant tumors divide erratically. B. They are malignant tumors of epithelial cells. C. They are malignant tumors of organs that originate from mesoderm. D. These tumors are found in organs such as spleen and lymph nodes. Which of the above are true for angiosarcoma?
  • A
    B and C
  • B
    B and D
  • C
    A and B
  • D
    A and C
    Correct
4
At which stage of HIV infection does one usually show symptoms of AIDS?
  • A
    When HIV replicates rapidly in helper T-lymphocytes and damages large number of these
    Correct
  • B
    When the infecting retrovirus enters host cells
  • C
    Within 15 days of sexual contact with an infected person
  • D
    When viral DNA is produced by reverse transcriptase
5
Which of the following is used in treatment of thyroid cancer?
  • A
    I-131
    Correct
  • B
    C-14
  • C
    rA-240
  • D
    U-238
6
Proliferation of cancer cells is unlimited because of
  • A
    Differing cholesterol level
  • B
    Deficiency of steroids
  • C
    Differing surface protein
    Correct
  • D
    Aberrant chromosomal complement
7
Select correct option for the given statements. Statement X - Carrier of HIV virus person appears Healthy. Statement Y - Body ache lasting over four weeks in ARC. Statement Z - Loss of body weight by 10% without any reason occurs in the AIDS at the final stage.
  • A
    Statement X, Y & Z are wrong
  • B
    Statement X & Y are wrong but Z is Right
  • C
    Statement X, Y & Z all are right
    Correct
  • D
    Statement X & Z are wrong but Y is Right
8
Retrovirus is the group of virus that have
  • A
    RNA as genetic material
    Correct
  • B
    Protein is the genetic material
  • C
    DNA and RNA both are genetic material
  • D
    DNA is as genetic material
9
Assertion: There is a time lag between the infection and appearance of first symptoms of AIDS. Reason: This period may vary from a few months to many years up to 10years.
  • A
    Both assertion and reason are incorrect
  • B
    Assertion is correct but reason is incorrect
  • C
    Both assertion and reason are correct.
    Correct
  • D
    Reason is correct but not explains the assertion
10
Statement I: Benign tumors normally remain confined to their original location and do not spread to other parts. Statement II: The malignant tumors are mass of proliferating cells that grow very rapidly. Statement III: The mass of proliferating cells called ceroplastic cells.
  • A
    Statement II and III are correct
  • B
    All Statements are correct
  • C
    Statement I and II are correct
    Correct
  • D
    Statement I and III are correct