Question

Certain tumours are called malignant, because

• A. They are confined to specific locations.
• B. They invade and damage surrounding tissues.
• C. They show contact inhibition.
• D. They are not neoplastic.

Answer 1

The Correct Option is B

Malignant tumors are cancerous and metastasize (spread to other tissues), causing damage.

• (A) Benign tumors are confined to one location.
• (C) Contact inhibition is lost in malignant cells (they grow uncontrollably).
• (D) Malignant tumors are neoplastic (abnormal cell growth).