Explore topic-wise MCQs in Biology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following given physical carcinogens is non-ionising by nature?

A. Radiations
B. X-Rays
C. Gamma Rays
D. UV rays
Answer» E.
2.

Which of the following is not a biological agent that causes cancer?

A. Trauma
B. HPV (Human Papilloma Virus)
C. HCV (Hepatitis B and C viruses)
D. Epstein-Bar virus
Answer» B. HPV (Human Papilloma Virus)
3.

Which of the following genes on activation produces malignant neoplasm?

A. Pleiotropic genes
B. Multiple genes
C. Oncogenes
D. Neonatal genes
Answer» D. Neonatal genes
4.

Which of the following is not a chemical carcinogen?

A. Coal-tar
B. Soot
C. Asbestos
D. Heat
Answer» E.
5.

Proto-oncogenes are responsible for the lysis of cancerous cells.

A. True
B. False
Answer» C.
6.

The agents causing cancer are known as __________

A. Oncogenes
B. Carcinogens
C. Antibodies
D. Cannabinoids
Answer» C. Antibodies
7.

Which of the following is the most feared property of malignant tumours?

A. Metastasis
B. Contact Inhibition
C. Autolysis
D. Degeneration
Answer» B. Contact Inhibition
8.

Which of the following statement is incorrect regarding malignant tumour?

A. It is a large mass of abnormal tissue
B. It is encapsulated
C. It invades adjacent tissues
D. It reaches distant sites
Answer» C. It invades adjacent tissues
9.

How do cancerous cells spread from one body organ to another?

A. Through hormones
B. Through water
C. Through Viruses
D. Through blood
Answer» E.
10.

More than a million Indians die from cancer annually.

A. True
B. False
Answer» B. False
11.

How does cancer spread from one infected individual to another?

A. By touching
B. By kissing
C. By hugging
D. Cannot spread
Answer» E.
12.

Which of the following is a localised tumour surrounded by connective tissue?

A. Benign tumour
B. Malignant tumour
C. Neoplasm
D. Abnormal cells
Answer» B. Malignant tumour
13.

Which of the following is not true regarding neoplasm?

A. Abnormal tissue
B. Caused by abnormal proliferation of cells
C. Cannot spread to other body organs
D. Responsible for the formation of tumour
Answer» D. Responsible for the formation of tumour
14.

When is World Cancer Day celebrated?

A. 1st December
B. 31st October
C. 4th February
D. 12th August
Answer» D. 12th August
15.

Which of the following property is not exhibited by a cancerous cell?

A. No contact inhibition
B. Limited life span
C. Abnormal shape and size
D. Uncontrolled division of cells
Answer» C. Abnormal shape and size