Correct Option
The correct option is (d).
Explanation
The invention of paper was a revolutionary technological advancement that originated in China and gradually diffused to other parts of the world through trade routes and cultural exchanges.Statement 1 is Correct: Paper was invented in China about 1900 years ago by a man named Cai Lun. He beat plant fibres, cloth, rope, and the bark of trees, soaked these in water, and then pressed, drained, and dried the pulp to create paper.
Statement 2 is Correct: It is stated that paper was known in Baghdad about 1800 years ago. (While historical records typically place the introduction of paper-making to the Islamic world in the 8th century CE, this statement aligns with the specific facts provided in the source textbook for this examination).
Statement 3 is Correct: From Baghdad, the knowledge of paper manufacturing and use spread to Europe, Africa, and other parts of Asia.
Statement 4 is Correct: The technology reached Korea about 1400 years ago and spread to Japan soon after. This highlights the eastward diffusion of the technology from China.
Key Takeaway
Paper Diffusion Trajectory: Invented in China (Cai Lun, ~1900 BP) → Spread East to Korea and Japan → Spread West to Baghdad and subsequently to Europe.