NEET PYQs Review for Chapter 10: Animal Kingdom

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🐾 NEET PYQs Review for Chapter 10: Animal Kingdom

📚 Introduction

The Animal Kingdom is one of the most essential chapters for NEET Biology, and understanding the various phylum, their characteristics, and examples is key to mastering this topic. In this blog, we will review some important NEET Previous Year Questions (PYQs) from Chapter 10, highlighting important concepts and providing detailed solutions to help you prepare effectively.

Let’s go through Animal Kingdom questions that have appeared in previous NEET exams to better understand the types of questions you might face and how to approach them.

🔬 NEET PYQ Review – Key Topics for Animal Kingdom

In Chapter 10: Animal Kingdom, topics commonly covered in NEET include:

  1. Classification of Animals: Understanding the hierarchical classification, starting from kingdom to phylum.

  2. Characteristics of Major Phyla: This includes the level of organization, body symmetry, presence of coelom, and type of digestive and circulatory systems.

  3. Important Examples of Phyla: Recognizing key examples like starfish (Echinodermata), earthworms (Annelida), cockroach (Arthropoda), and humans (Chordata).

  4. General Characteristics of Invertebrates and Vertebrates: Differentiating between these two major subgroups within the Animal Kingdom.

  5. Adaptations and Evolution: Understanding how animals have evolved to suit their environment.

🔄 NEET PYQ #1 – General Characteristics of Animal Kingdom

Question:
Which of the following is the correct characteristic of all members of the Animalia kingdom?

A) Presence of cell wall
B) Presence of a notochord
C) Heterotrophic mode of nutrition
D) Bilateral symmetry in all members

Answer: C) Heterotrophic mode of nutrition

Explanation:

  • Heterotrophy is a defining characteristic of all animals, meaning they depend on other organisms for nutrition. Unlike plants that are autotrophic, animals are incapable of producing their own food and must obtain it by consuming other organisms.

  • Other options:

    • Presence of a cell wall is found in plants, not animals.

    • Notochord is present only in chordates (vertebrates and some invertebrates).

    • Bilateral symmetry is found in many animals, but radial symmetry is seen in others, such as echinoderms.

🔄 NEET PYQ #2 – Phylum Porifera

Question:
Which of the following is a characteristic feature of phylum Porifera (sponges)?

A) Radial symmetry
B) Lack of tissues and organs
C) Presence of a nervous system
D) Presence of a coelom

Answer: B) Lack of tissues and organs

Explanation:

  • Porifera (sponges) are simple organisms with no distinct tissues or organs. Their body consists of loosely organized cells, with pores allowing water to circulate through the body for feeding and gas exchange.

  • They exhibit asymmetry or radial symmetry in some species but do not have a nervous system or coelom.

  • Sponges are filter feeders that rely on water flow to bring nutrients and remove waste.

🔄 NEET PYQ #3 – Phylum Arthropoda

Question:
Which of the following is a characteristic of arthropods?

A) Body divided into three segments: head, thorax, and abdomen
B) Non-jointed appendages
C) Exoskeleton made of chitin
D) Open circulatory system with hemolymph

Answer: C) Exoskeleton made of chitin

Explanation:

  • Arthropods are characterized by their exoskeleton made of chitin, which provides support and protection. They also have jointed appendages, segmented bodies (head, thorax, abdomen), and a ventral nerve cord.

  • Their circulatory system is open, meaning hemolymph is circulated freely in the body cavity, unlike closed circulatory systems in vertebrates.

  • These features are adapted to their life in various environments, from terrestrial to aquatic habitats.

🔄 NEET PYQ #4 – Phylum Chordata

Question:
Which of the following is a characteristic of phylum Chordata?

A) Radial symmetry
B) A post-anal tail at some stage of life
C) No body cavity
D) Presence of a ventral nerve cord

Answer: B) A post-anal tail at some stage of life

Explanation:

  • All members of Phylum Chordata exhibit four key characteristics at some stage of their life:

    1. Notochord

    2. Dorsal hollow nerve cord

    3. Pharyngeal gill slits

    4. Post-anal tail

  • While radial symmetry is seen in other groups like echinoderms, chordates show bilateral symmetry. The ventral nerve cord is typical of some non-chordates like arthropods.

🧠 NEET Preparation Tips for Animal Kingdom

  1. Focus on Key Phyla: Pay attention to the major animal phyla (e.g., Porifera, Cnidaria, Arthropoda, Mollusca, Chordata), their characteristics, and examples. You may be asked to identify or compare these phyla in NEET questions.

  2. Use Mnemonics: Create mnemonics for remembering characteristics and examples. For instance, the mnemonic for phylum classification can be "Please Consider Animal Alignment" for Porifera, Cnidaria, Arthropoda, Annelida, etc.

  3. Focus on Symmetry and Body Plans: Symmetry (radial, bilateral) is a commonly tested concept. Understanding how different organisms exhibit these body plans will help you in identifying and categorizing them.

  4. Practice NEET PYQs Regularly: NEET questions often repeat patterns from previous years, so consistently practicing PYQs will help in identifying trends and time management.

🔗 Stay Connected with Our NEET Bio Blogs:

📝 Conclusion

In this blog, we reviewed some of the most important NEET PYQs for Chapter 10: Animal Kingdom. By understanding the characteristics of different animal phyla, their examples, and unique features, you’ll be better prepared for your exam. Remember to practice regularly, focus on key concepts, and review past papers for a thorough understanding.

👉 Up next: Chapter 11 – Structural Organisation in Animals – A Deep Dive into Tissue Types!


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