Cancer — NEET Biology Questions

Practice 30 questions on Cancer from Human Health and Disease (NCERT Class 12, Chapter 7). Free samples below — get all 30 in the app.

30 Questions Human Health and Disease Class 12

Sample Questions — Cancer

Try 5 questions below from Cancer. Get all 30 in the MedicNEET app.

MCQ
Cancer is a disease involving:
  • A. Uncontrolled cell division
  • B. Autoimmune destruction
  • C. Programmed cell death
  • D. Chromosome pairing errors
✅ Correct Answer: A
Cancer involves abnormal and uncontrolled proliferation of cells.
MCQ
The ability of malignant tumour cells to invade distant tissues is called:
  • A. Inflammation
  • B. Angiogenesis
  • C. Hyperplasia
  • D. Metastasis
✅ Correct Answer: D
Metastasis refers to the spread of malignant cells to distant organs.
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MCQ
Q7. Match the Column Column I (Gene Type) A. Proto-oncogene B. Viral oncogene C. Tumour suppressor gene Column II (Effect) i. Introduced by oncogenic viruses ii. Causes cancer when abnormally activated iii. Normally inhibits cell proliferation
  • A. A–i, B–ii, C–iii
  • B. A–ii, B–i, C–iii
  • C. A–iii, B–ii, C–i
  • D. A–i, B–iii, C–ii
✅ Correct Answer: B
Each gene class is linked with its function or abnormal effect on cell cycle.
MCQ
Why are proto-oncogenes not harmful under normal conditions?
  • A. They are completely inactive
  • B. They only function in viral infections
  • C. They regulate cell division unless abnormally activated
  • D. They remain outside the nucleus
✅ Correct Answer: C
Proto-oncogenes become oncogenes only when activated abnormally (e.g. by carcinogens).
MCQ
Q3. Which of the following are not physical carcinogens? (i) UV rays (ii) X-rays (iii) Dioxins (iv) Gamma rays
  • A. (i) and (ii)
  • B. (iii) only
  • C. (iii) and (iv)
  • D. (ii) and (iv)
✅ Correct Answer: B
Dioxins are chemical carcinogens; all others are physical.

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