Assertion- Peptic ulcers cause acidity related pain and bleeding in the stomach.

Reason- Stress in life causes Peptic Ulcers.

The assertion is true but the reason to assertion is false since Peptic ulcers are not caused due to stress in life, peptic ulcers are the results of the infection caused by a bacterium Helicobacter pylori and by the long term use of non-steroidal anti-inflammatory drugs (NSAIDs).