Biology - Mineral Nutrition
Practise 3 IAT (IISER) previous year questions on Mineral Nutrition, compiled from papers spanning 2020 to 2023. 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.
Mineral Nutrition has been asked in 3 of the 9 years of IAT (IISER) papers analysed (2017–2026), with 3 questions in all. 67% of them were easy, 33% moderate and 0% tough. Most of its questions came from 2023, with 1 question that year. In the last three years (2023–2026) it had 1 question across 3 papers, about 0.3 per paper.
The chapter's 2 topics are not weighted equally: Nitrogen Metabolism (2 questions, 67%) and Biofertilizer (1 question, 33%) have been asked the most. Nitrogen Metabolism has also led over the last five years, with 1 question.
- 1Which one of the following statements is CORRECT about biological nitrogen fixation in plants?2023Nitrogen Metabolism
- 2In plants, ammonium ions are produced by protonation of ammonia. Which enzyme uses these ammonium ions to convert an alpha-keto acid into an2021Nitrogen Metabolism
- 3Which of the following processes increases the uptake of water and minerals by roots in legumes?2020Biofertilizer
Frequently Asked Questions
1.How many questions are available for Mineral Nutrition?
This chapter includes 3 questions compiled from IAT (IISER) papers spanning 2020 to 2023.
2.Are these questions only from IAT (IISER), or from other exams too?
These are IAT (IISER) questions specifically for the Mineral Nutrition chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Mineral Nutrition an important chapter for IAT (IISER) Biology?
Mineral Nutrition has appeared in 3 of the 10 years of IAT (IISER) papers covered here, with 3 questions across 3 papers - about one per paper it appears in.
4.What is the difficulty level of Mineral Nutrition questions in IAT (IISER)?
Of the 3 questions analysed for this chapter, 67% are easy, 33% moderate and 0% tough. 2023 had the most, with 1 question.
5.Which topics in Mineral Nutrition should I focus on?
These topics have carried the most weightage in Mineral Nutrition:
- Nitrogen Metabolism - 2 questions (67%)
- Biofertilizer - 1 question (33%)
6.Is Mineral Nutrition's weightage in IAT (IISER) going up or down?
Across all 3 papers analysed, Mineral Nutrition has averaged about 1.0 questions per paper. In the last three years (2023–2026), that average has fallen, at about 0.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.