Don’t miss these must-solve Animal Kingdom NEET MCQs! Get previous year questions, answers, and expert explanations to boost your score.
Introduction
Are you preparing for NEET 2025 and struggling with Animal Kingdom questions? You’re not alone! This chapter is crucial in NEET Biology, with 4-5 questions appearing every year. Mastering it can give you an edge over thousands of aspirants.
In this guide, we provide most expected Animal Kingdom NEET questions, and previous year MCQs, high-weightage topics for quick revision.
Before jumping into the questions, make sure you’re familiar with the NEET 2025 Important Dates so you don’t miss any deadlines. Trust me, last-minute rushes aren’t fun!
- Why is Animal Kingdom Important for NEET?
- NEET Weightage – ~10-12 marks
- Covers Phylum to Classification
- Frequently Asked MCQs
Tip: Many students struggle with Porifera, Cnidaria, and Chordata MCQs. Focus on their unique characteristics and previous year trends!
Also, if this is your first time appearing for NEET, it’s a good idea to check out the Instructions for NEET Exam so you know what to expect on exam day. Better safe than sorry!
Most Expected Animal Kingdom NEET Questions (With Answers & Solutions)
Below are high-weightage MCQs that often appear in NEET. Try solving them before checking the answers!
- Which phylum is characterized by radial symmetry and diploblastic organization?
- 🔘 A) Arthropoda
- 🔘 B) Annelida
- 🔘 C) Cnidaria
- 🔘 D) Mollusca
- Answer: C) Cnidaria
- Explanation: Cnidarians exhibit radial symmetry and are diploblastic (having two germ layers: ectoderm & endoderm).
- Which of the following is NOT a characteristic of phylum Arthropoda?
- 🔘 A) Chitinous exoskeleton
- 🔘 B) Open circulatory system
- 🔘 C) Metameric segmentation
- 🔘 D) Notochord
- Answer: D) Notochord
- Explanation: Arthropods lack a notochord and are invertebrates. The notochord is a feature of Chordata.
- Which of the following is an example of a non-chordate deuterostome?
- 🔘 A) Echinodermata
- 🔘 B) Mollusca
- 🔘 C) Arthropoda
- 🔘 D) Annelida
- Answer: A) Echinodermata
- Explanation: Deuterostomes develop the anus first in embryonic development. Among invertebrates, only Echinodermata belong to Deuterostomia.
- The excretory organ of Platyhelminthes is:
- 🔘 A) Nephridia
- 🔘 B) Malpighian tubules
- 🔘 C) Flame cells
- 🔘 D) Green glands
- Answer: C) Flame cells
- Explanation: Flame cells function as excretory structures in flatworms (Platyhelminthes), helping in osmoregulation.
- Which feature is common in all chordates at some stage of their life cycle?
- 🔘 A) Vertebral column
- 🔘 B) Pharyngeal gill slits
- 🔘 C) Paired appendages
- 🔘 D) Four-chambered heart
- Answer: B) Pharyngeal gill slits
- Explanation: All chordates possess pharyngeal gill slits during embryonic development, even if they don’t retain them as adults.
Tip: Revising these questions will boost your chances of scoring full marks in Animal Kingdom MCQs!
Previous Year NEET Animal Kingdom MCQs (PYQs with Answers)
| Year | Question | Answer |
| 2023 | Which phylum has water vascular system? | Echinodermata |
| 2022 | Name the respiratory organs in Arthropoda. | Trachea & Book lungs |
| 2021 | Which animal is a living fossil? | Limulus (King Crab) |
| 2020 | Which animal exhibits metamerism? | Earthworm |
| 2019 | Which phylum shows indirect development? | Mollusca |
- Analysis of PYQs:
- Echinodermata, Arthropoda & Chordata are commonly tested.
- Concept-based MCQs appear more than direct fact-based ones.
Chapter-Wise NEET Questions from Animal Kingdom
| Phylum | Important Features | Example Questions |
| Porifera | No true tissues, choanocytes | “Which cells help in water current movement?” |
| Cnidaria | Cnidocytes, radial symmetry | “What is the function of nematocysts?” |
| Platyhelminthes | Acoelomate, flame cells | “Which is the first phylum to show bilateral symmetry?” |
| Nematoda | Pseudocoelomate, cuticle | “Which phylum includes Ascaris?” |
| Annelida | Metamerism, nephridia | “Which phylum has both closed circulation and segmentation?” |
| Arthropoda | Chitinous exoskeleton, jointed legs | “What is the largest phylum in Animal Kingdom?” |
| Mollusca | Radula, open circulation | “Which phylum contains Pila & Octopus?” |
| Echinodermata | Water vascular system | “Which system helps in locomotion in Echinoderms?” |
| Chordata | Notochord, dorsal nerve cord | “Which feature is common in all chordates?” |
Tip: Focus on differences in coelom, circulation, and development patterns for tricky MCQs!
High-Weightage Topics in Animal Kingdom for NEET 2025
- Symmetry & Coelom Classification
- Differences Between Protostomes & Deuterostomes
- Unique Features of Each Phylum (Echinodermata, Mollusca, Arthropoda, Chordata)
- Examples & Their Characteristics (e.g., Limulus as a Living Fossil, Balanoglossus as Hemichordate)
- Developmental Stages & Circulatory Systems in Different Phyla
Conclusion
Now that you’ve practiced Animal Kingdom NEET Questions, it’s time to test yourself!
- What to do next?
- Bookmark this page for daily revision.
- Attempt free online NEET MCQ test on Animal Kingdom.
Final Tip: Consistent practice & revising NCERT concepts is the key to scoring high in NEET Biology!
