Natural, semi-synthetic or synthetic polymer

This type of question, asked 3 times: 10 May 2023 S2, 15 May 2023 S2, 14 May 2026 S2. All 3 questions below, oldest first.

Try each one first, then open its answer.

Question 1
10 May 2023 S2
58 $Identify the source of linen from following:$
Tap an option to check your answer.
Question 2
15 May 2023 S2
51 $Which from following is semisynthetic polymer?$
Tap an option to check your answer.
Question 3
14 May 2026 S2
49 $Which of the following polymers is NOT semisynthetic?$
Tap an option to check your answer.