Q. Consider the following statements:
1.Malignant tumors are localized and non-cancerous, whereas benign tumors have the capacity to metastasize to distant organs.
2.The Human Papillomavirus (HPV) is classified as a biological carcinogen and is a leading cause of cervical cancer.
3.Carcinogens can be physical (UV radiation), chemical (asbestos), or biological (oncogenic viruses) in nature.
Which of the statements given above are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: B
Notes:

Explanation:

  • Statement 1 is incorrect: The definitions are swapped. Benign tumors are non-cancerous and localized; Malignant tumors are cancerous and can invade surrounding tissues or metastasize.
  • Statement 2 is correct: HPV is a biological agent (virus) that can induce the transformation of normal cells into cancerous ones, particularly in the cervix.
  • Statement 3 is correct: Carcinogens are diverse and include physical (radiation), chemical (tobacco/asbestos), and biological (viruses/parasites) agents.
Blog
Academy
Community