Biology - Animal Kingdom
Practise 6 IAT (IISER) previous year questions on Animal Kingdom, compiled from papers spanning 2017 to 2025. 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.
Animal Kingdom has been asked in 5 of the 9 years of IAT (IISER) papers analysed (2017–2026), with 6 questions in all. 67% of them were easy, 33% 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 1 question across 3 papers, about 0.3 per paper.
The chapter's 6 topics are not weighted equally: Phylum Annelida (1 question, 17%), Phylum Echinodermata (1 question, 17%), and Basis of Classification (1 question, 17%) have been asked the most. Over the last five years the most frequent topics have been Phylum Platyhelminthes (1), Sub Phylum Hemichordata (1), and Phylum Chordata (1).
- 1Match the entries in column I and column II. Column I Column II P Notochord and hollow nerve cord present i. Chordata Q Ectoparasite with 6–2025Phylum Chordata
- 2Which one of the following statements is correct?2024Sub Phylum Hemichordata
- 3Organisms in which of the following phyla are triploblastic, acoelomate and have bilateral symmetry?2022Phylum Platyhelminthes
- 4Radial symmetry is NOT found in which of the following taxa?2020Basis of Classification
- 5Which of the following is exclusively marine?2018Phylum Echinodermata
- 6Match the following features to the animals. Which is the correct combination? 1. Open circulatory system 2. Closed circulatory system 3. Ea2017Phylum Annelida
Frequently Asked Questions
1.How many questions are available for Animal Kingdom?
This chapter includes 6 questions compiled from IAT (IISER) papers spanning 2017 to 2025.
2.Are these questions only from IAT (IISER), or from other exams too?
These are IAT (IISER) questions specifically for the Animal Kingdom chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Animal Kingdom an important chapter for IAT (IISER) Biology?
Animal Kingdom has appeared in 6 of the 10 years of IAT (IISER) papers covered here, with 6 questions across 6 papers - about one per paper it appears in.
4.What is the difficulty level of Animal Kingdom questions in IAT (IISER)?
Of the 6 questions analysed for this chapter, 67% are easy, 33% moderate and 0% tough. 2024 had the most, with 1 question.
5.Which topics in Animal Kingdom should I focus on?
These topics have carried the most weightage in Animal Kingdom:
- Phylum Annelida - 1 question (17%)
- Phylum Echinodermata - 1 question (17%)
- Basis of Classification - 1 question (17%)
6.Is Animal Kingdom's weightage in IAT (IISER) going up or down?
Across all 6 papers analysed, Animal Kingdom 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.