Chemistry - Biomolecules
Practise 4 IAT (IISER) previous year questions on Biomolecules, compiled from papers spanning 2019 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty IAT (IISER) tests.
Biomolecules has been asked in 4 of the 9 years of IAT (IISER) papers analysed (2017–2026), with 5 questions in all. 80% of them were easy, 20% moderate and 0% tough. Most of its questions came from 2024, with 1 question that year. In the last three years (2023–2026) it had 2 questions across 3 papers, about 0.7 per paper.
The chapter's 5 topics are not weighted equally: Proteins (1 question, 20%), Disaccharides and Polysaccharides (1 question, 20%), and Nucleic Acids (1 question, 20%) have been asked the most. Over the last five years the most frequent topics have been Nucleic Acids (1), Carbohydrates (1), and Lipids (1).
- 1What are the correct structural descriptions for and ?2024Carbohydrates
- 2Which one amongst the following bases is NOT present in RNA?2023Nucleic Acids
- 3Common disaccharide sucrose is held together by a glycosidic linkage between2020Disaccharides and Polysaccharides
- 4While making paneer (cottage cheese) from milk by adding dilute acetic acid, the milk proteins undergo2019Proteins
Frequently Asked Questions
1.How many questions are available for Biomolecules?
This chapter includes 4 questions compiled from IAT (IISER) papers spanning 2019 to 2024.
2.Are these questions only from IAT (IISER), or from other exams too?
These are IAT (IISER) questions specifically for the Biomolecules chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Biomolecules an important chapter for IAT (IISER) Chemistry?
Biomolecules has appeared in 4 of the 10 years of IAT (IISER) papers covered here, with 4 questions across 4 papers - about one per paper it appears in.
4.What is the difficulty level of Biomolecules questions in IAT (IISER)?
Of the 5 questions analysed for this chapter, 80% are easy, 20% moderate and 0% tough. 2024 had the most, with 1 question.
5.Which topics in Biomolecules should I focus on?
These topics have carried the most weightage in Biomolecules:
- Proteins - 1 question (20%)
- Disaccharides and Polysaccharides - 1 question (20%)
- Nucleic Acids - 1 question (20%)
6.Is Biomolecules's weightage in IAT (IISER) going up or down?
Across all 4 papers analysed, Biomolecules has averaged about 1.0 questions per paper. In the last three years (2023–2026), that average has fallen, at about 0.7 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.