PTE Reading

Multiple Choice, Multiple Answers

1 questions. Answer them all, then submit once for your section score.

Pearson Test of English — TestDayTwin Practice
1 of 1Time Remaining00:06:00
1.
Multiple Choice, Multiple Answers

Read the passage and select ALL correct options. Wrong selections lose points.

Textile dyeing has evolved from natural pigment extraction to complex synthetic chemistry. Ancient dyers relied on plants, insects, and minerals: indigo from fermented leaves, cochineal from crushed insects, and ochre from clay. These processes were labor-intensive and often produced inconsistent shades. The mid-1800s brought a shift when a chemist accidentally synthesized a vivid purple dye while attempting to create a malaria treatment, launching the synthetic dye industry. Synthetic dyes offered brighter, more consistent colors at lower cost, quickly displacing many natural methods. However, modern dyeing consumes enormous volumes of water and can release harmful chemicals into waterways if untreated. Today, some manufacturers are returning to plant-based dyes and closed-loop water systems to reduce environmental damage, though these methods remain costlier than conventional synthetic processes.

According to the passage, which of the following are correct? (select all that apply)