Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products — DU B. Sc. Life Science (Chemistry) Previous Year Question Papers
- Programme
- B. Sc. Life Science (Chemistry)
- Paper type
- DSE
- Paper code
- 2173522011
- Exam years
- 2024–2026
Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products is a DSE paper in Semester III of B. Sc. Life Science (Chemistry) at Delhi University (paper code 2173522011). 5 previous year question papers from 2024–2026 are listed below; view or download each original PDF.
2026 question papers
2026
2173522011B. Sc. Life Science (Chemistry)
2026
2173522011B. Sc. Life Science (Chemistry)
2025 question papers
2025
2173522011B. Sc. Life Science (Chemistry)
2025
2173522011B. Sc. Life Science (Chemistry)
2024 question papers
2024
2173522011B. Sc. Life Science (Chemistry)
What was asked in the 2026 Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products paper?
Text of the may june 2026 DU question paper (UPC 2173522011), so you can see what gets asked before opening a PDF.
Attempt Four question in all.
Q.4 (a) Discuss special isoprene rule. Classify the following terpenes into mono-, sesqui- and di-terpenes:
(b) How will you synthesize citral frem acetone? How can the two forms of citral be identified ?
(c) Write the physiological action of nicotine on human body. (5,5,5)
Q.5 (a) What are alkaloids? Give two general structural features of alkaloids.
(b) What is Hoffmann's exhaustive methylation? How is it applied in the structure determination of nicotine?
(c) Discuss the classification of alkaloids based on their chemical structure with suitable examples. (5,5,5)
Q.6 (a) Discuss the initiation, propagation and termination reactions in free radical vinyl polymerization.
(b) How are nylon 6 and nylon 6,6 manufactured ? Give the process through which molecular chains are held together in these polyamides.
(c) What are the salient features of the valence bond theory and molecular orbital theory of colour and constitution. Explain with suitable examples. (5,5,5)
How can I prepare for Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products?
Related subjects in B. Sc. Life Science (Chemistry)
- Chemical Energetics and Equilibria (DSC-7, Chemistry-03)11
- Chem-DSE-7: Analytical Methods in Chemistry6
- Chem-DSE-2: Polynuclear Hydrocarbons, Pharmaceutical Compounds, UV- Visible & IR Spectroscopy5
- Chem-DSE-14: Industrial Chemicals and Environment3
- Chem-DSE-3: Chemistry of Colloids and Adsorption2
- Chem-DSE-1: Chemistry of Major and Minor Biogenic Elements1
Frequently asked questions
- Where can I download the DU Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products previous year question paper PDF?
- This page lists 5 Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products question papers for B. Sc. Life Science (Chemistry) at Delhi University (2024–2026). Open any paper to view the original PDF or download it. It is free and needs no login.
- Which years of Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products question papers are available?
- Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products papers are available for 2026, 2025, 2024.
- What is the paper code (UPC) of Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products?
- The Unique Paper Code for Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products in B. Sc. Life Science (Chemistry) is 2173522011.
- Which semester is Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products taught in?
- Chem-DSE-11: Chemistry of Polymers, Dyes and Natural Products is a DSE paper in Semester III of B. Sc. Life Science (Chemistry), according to DU's published scheme.