CANCER BIOLOGY MCQs

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) no of divisions

b) no of deaths

c) rate of cell death and cell division

d) all of these

3. Tumours are classified by …

a)  damaged cell weight

b) tisssue 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. Aflaxotin is a …

a) natural carcinogen

b) man-made carcinogen

c) synthesized carcinogens

d) none of these

8. Uncontrolled mitosis results into …

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 malignant tumour?

a) Grows without need

b) develops a blood supply

c) undergoes metastasis

d) Cells divide an unlimited numbers of time