CANCER BIOLOGY MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

1. : Carcinogens are caused by …
(A) ionic radiation
(B) tar in tobacco
(C) naturally
(D) none of these

2. : In a community, a number of cells are regulated by…
(A) number of divisions
(B) number of deaths
(C) rate of cell death and cell division
(D) all of these

3. : Tumours are classified by …
(A) damaged cell weight
(B) tissue or cell origin
(C) ability to spread
(D) none of these

4. : Which enzymes convert pro-carcinogens into ultimate carcinogens?
(A) acetylases
(B) cytochrome P 650
(C) cytochrome P 450 enzyme system
(D) hydrolases

5. : Nociceptors are found in …
(A) predominant in females
(B) found throughout in the body
(C) brain
(D) stomach

6. : Which of the following are considered as cancer-causing agents?
(A) carcinogens
(B) mutagens
(C) onogens
(D) topogens

7. : Aflatoxin is a …
(A) natural carcinogen
(B) man-made carcinogen
(C) synthesized carcinogen
(D) none of these

8. : Uncontrolled mitosis results in …
(A) diabetes
(B) TB
(C) ulcer
(D) cancer

9. : TNM stands for …
(A) tumour, nerve, metastases
(B) tumour, neuron, metastases
(C) tumour, node, metastases
(D) none of these

10. : Chemicals detected in the blood are …
(A) cancer agents
(B) tumour markers
(C) diabetes agents
(D) none of these

11. : EGF stands for …
(A) epidermal growth factor
(B) epidemene growth function
(C) epidemic gender factor
(D) none of these

12. : Which of the following is the characteristic of a malignant tumour?
(A) Grows without need
(B) develops a blood supply
(C) undergoes metastasis
(D) Cells divide an unlimited number of times