Biology - Body Fluids and Circulation
Practise 5 IAT (IISER) previous year questions on Body Fluids and Circulation, compiled from papers spanning 2017 to 2026. 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.
Body Fluids and Circulation has been asked in 4 of the 9 years of IAT (IISER) papers analysed (2017–2026), with 5 questions in all. 40% of them were easy, 60% moderate and 0% tough. Most of its questions came from 2026, with 2 questions that year. In the last three years (2023–2026) it had 2 questions across 3 papers, about 0.7 per paper.
The chapter's 3 topics are not weighted equally: Blood Group (3 questions, 60%), Electrocardiograph (1 question, 20%), and Lymph (1 question, 20%) have been asked the most. Blood Group has also led over the last five years, with 2 questions.
- 1In which one of the following cases, will an anti-Rh antibody treatment prevent erythroblastosis foetalis ?2026Blood Group
- 2For which one of the following parents, their children will NOT have the same blood group phenotype as either of the parents?2026Blood Group
- 3Lymph is an important body fluid. Choose the INCORRECT statement about the lymph.2022Lymph
- 4The diagram below shows a typical ECG. If the AV node is not functional, which of the following options correctly represents the changes see2019Electrocardiograph
- 5Erythroblastosis foetalis can be avoided by2017Blood Group
Frequently Asked Questions
1.How many questions are available for Body Fluids and Circulation?
This chapter includes 5 questions compiled from IAT (IISER) papers spanning 2017 to 2026.
2.Are these questions only from IAT (IISER), or from other exams too?
These are IAT (IISER) questions specifically for the Body Fluids and Circulation chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Body Fluids and Circulation an important chapter for IAT (IISER) Biology?
Body Fluids and Circulation has appeared in 4 of the 10 years of IAT (IISER) papers covered here, with 5 questions across 4 papers - about one per paper it appears in.
4.What is the difficulty level of Body Fluids and Circulation questions in IAT (IISER)?
Of the 5 questions analysed for this chapter, 40% are easy, 60% moderate and 0% tough. 2026 had the most, with 2 questions.
5.Which topics in Body Fluids and Circulation should I focus on?
These topics have carried the most weightage in Body Fluids and Circulation:
- Blood Group - 3 questions (60%)
- Electrocardiograph - 1 question (20%)
- Lymph - 1 question (20%)
6.Is Body Fluids and Circulation's weightage in IAT (IISER) going up or down?
Across all 4 papers analysed, Body Fluids and Circulation has averaged about 1.3 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.