Question

Read the following statements carefully.
(i) Cancer causing viruses have genes called viral oncogenes.
(ii) Malignant tumors remain confined to their original location.
(iii) Cancer cells do not exhibit contact inhibition.
(iv) $X$-rays and $UV$ rays are not potent carcinogens.
(v) Cancer detection is based on biopsy.
Which of the above statements are not correct regarding cancer?

• A. (iii) and (v)
• B. (ii) and (iv)
• C. (i), (iii) and (v)
• D. (ii), (iv) and (v)

Answer 1

Answer: (B)

Benign tumours remain confined to their original location. $X$-rays and $UV$-rays are carcinogenic.