MCQ on Cancer Biology

Cancer MCQ Questions and Answers

1. What is true for cancer_______

A. Cancer is the result of the uncontrolled growth of abnormal cells anywhere in the body.

B. Cancers are often named for the organ or cell type where the abnormal cells first develop. 

C. When these cancer cells leave their original developmental site they are termed metastatic cancer.

D. All of these 

Answer: D


2. The abnormal growth of cells in the body is known as...........

A. Cancer

B. Tumor 

C. Both A and B

D. None of these 

Answer: A


3. How many types of cancer are there?

A. 100

B. 200

C. 300

D. 400

Answer: A


4. What is carcinogen?

A. A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis, the formation of cancer. 

B. the ability to damage the genome or to the disruption of cellular metabolic processes.

C. Both 

D. None of these 

Answer: C


5. Which of the following are considered as cancer causing agents?

A. Cadmium 

B. Nicotine 

C. Arsenic 

D. All of these 

Answer: D


6. Which of the following statements are correct________

A. cadmium causes prostate cancer, 

B. radon causes lung cancer, C. arsenic is responsible for lung and skin cancer, 

D. asbestos causes cancer of gastrointestinal tract

E. All of these 

Answer: E


7. What viruses cause cancer as a result of chronic infection?

A. human papilloma virus (HPV)  

B. hepatitis B virus (HBV)

C. Both

D. None of these 

Answer: C


8. HPV viruses can cause______ 

A. cervical, 

B. oropharyngeal (pertaining to the mouth and pharynx), 

C. penile, vaginal

D. All of these 

Answer: D


9. The root cause of cancer cell formation is________

A. Stimulation by physical carcinogens

B. Stimulation by chemical carcinogens

C. Stimulation of viral carcinogens

D. Activation of intracellular proto-oncogenes

Answer: D


10. The most common types of treatment for Cancer are...

A. Chemotherapy

B. Surgery

C. Radiation Therapy

D. All the above

Answer: D


11. What is angiogenesis?

A. Differentiation process

B. Growth factors

C. Contact inhibition

D. Blood vessel formation

Answer: D


12. What is the most deadly of all cancers of the female reproductive system?

A. Ovarian cancer

B. Breast Cancers 

C. Vaginal Cancer

D. None of these 

Answer: A


13. Which of the following statements about proto-oncogenes is incorrect________

A. Abnormal genes in cells

B. Co-regulates the cell cycle with tumor suppressor genes

C. Proto-oncogenes are activated causing cells to become cancerous

D. Normal genes that can be activated by internal and external factors

Answer: A


14. Name the cancer of connective tissues or cancer that occurs in the connective tissues in the body?

A. Lymphoma

B. Sarcoma

C. Carcinoid

D. Medulloblastoma

Answer: B


15. Name the Cancer which is known as The Silent Killer?

A. Stomach Cancer

B. Pancreatic Cancer

C. Lung Cancer

D. Brain Cancer

Answer: B


16. Long-term smoking causes lung cancer_________

A. Coal tar sticks to the alveolar walls, making the alveoli lose their elasticity

B. Coal tar can cause the body to produce proto-oncogene

C. Coal tar can mutate proto-oncogenes and tumor suppressor genes, resulting in cancerous cells

D. Inhaled carbon monoxide thins the alveoli

Answer: C


17. Leukemia is a common hematopoietic tumor disease, commonly known as "blood cancer". Intrinsic factors that cause leukemia are_______

A. Changes in genetic material

B. Long-term exposure to ionizing radiation or X-rays

C. Mutations in proto-oncogenes and tumor suppressor genes

D. Both A and C

Answer: D


18. The factors that can cause cells to become cancerous are__________

① X-ray irradiation 

② Coal tar stimulation 

③ Excessive temperature 

④ Cell inactivation 

⑤ Infection by tumor virus 

⑥ Ultraviolet radiation

A. ①③④⑤

B. ①②③⑤

C. ①②⑤⑥

D. ②④⑥

Answer: C


19. Name the process of transition from normal cells to cancerous cells?

A. Ubiquitylation

B. Polymerization

C. Transformation

D. Metastasis

Answer: C

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