Phylum Chaetognatha MCQs

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1. What are chaetognaths commonly known as?





2. Chaetognaths are primarily found in which type of environment?





3. What type of body symmetry do chaetognaths exhibit?





4. Which feature is a distinguishing characteristic of chaetognaths?





5. What is the primary mode of locomotion in chaetognaths?





6. Chaetognaths are classified as:





7. What is the primary diet of chaetognaths?





8. Which of the following structures do chaetognaths use to capture prey?





9. Which class do chaetognaths belong to?





10. Chaetognaths have a unique feature that allows them to sense their environment. What is it?





11. What is the reproductive strategy of chaetognaths?





12. Which of the following statements about chaetognaths is true?





13. The body of a chaetognath is divided into how many distinct regions?





14. Which part of the chaetognath's body contains the reproductive organs?





15. What is the primary purpose of the lateral fins found in chaetognaths?





16. Chaetognaths are important in marine ecosystems primarily because they:





17. The term "chaetognath" is derived from Greek, meaning:





18. Which of the following best describes the chaetognath's digestive system?





19. What is the ecological role of chaetognaths in the food web?





20. The larval stage of chaetognaths is typically characterized by:





21. Which of the following is NOT a feature of chaetognaths?





22. Chaetognaths play a significant role in which marine processes?





23. Which of the following structures is NOT present in chaetognaths?





24. What is the main advantage of chaetognaths being transparent?





25. Which of the following chaetognaths is commonly studied for its ecological significance?





26. The mouth of chaetognaths is equipped with:





27. Chaetognaths have a simple nervous system that is organized into:





28. In chaetognaths, the tail region is primarily used for:





29. Which of the following adaptations helps chaetognaths capture their prey effectively?





30. Chaetognaths are significant indicators of:





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