Branchiopoda MCQs December 4, 2025September 28, 2024 by u930973931_answers 30 min Score: 0 Attempted: 0/30 Subscribe 1. Branchiopoda is primarily characterized by which of the following features? (A) Hard exoskeleton (B) Flattened body (C) Ability to fly (D) Leaf-like appendages 2. Which of the following is NOT a subclass of Branchiopoda? (A) Anostraca (B) Copepoda (C) Cladocera (D) Notostraca 3. The common name for members of the subclass Cladocera is: (A) Water fleas (B) Brine shrimp (C) Fairy shrimp (D) Barnacles 4. What is the primary habitat of most Branchiopoda? (A) Deep ocean (B) Terrestrial environments (C) Freshwater lakes and ponds (D) Marine coral reefs 5. Which of the following is a well-known species of Branchiopoda often used as fish food? (A) Daphnia (B) Both A and B (C) Triops (D) Artemia 6. In Branchiopoda, the primary function of the second antennae is to: (A) Capture food (B) Sense the environment (C) Aid in swimming (D) Respiration 7. Branchiopods are primarily: (A) Herbivores (B) Omnivores (C) Carnivores (D) Detritivores 8. Which feature distinguishes Anostraca from other subclasses of Branchiopoda? (A) Presence of a carapace (B) Presence of compound eyes (C) Ability to fly (D) Lack of a carapace 9. Which of the following is an example of a Notostracan? (A) Daphnia (B) Cyclops (C) Artemia (D) Triops 10. The nauplius larval stage is characteristic of which group? (A) Copepoda (B) Branchiopoda (C) Both A and B (D) Insecta 11. Which of the following adaptations helps Branchiopoda survive in temporary water bodies? (A) Ability to burrow (B) Gills for respiration (C) Increased swimming speed (D) Production of resting eggs 12. What type of symmetry do Branchiopoda exhibit? (A) Radial symmetry (B) Asymmetry (C) Bilateral symmetry (D) None of the above 13. The respiratory structures of Branchiopoda are primarily located on their: (A) Abdomen (B) Carapace (C) Thorax (D) Appendages 14. Which of the following statements about Branchiopoda is FALSE? (A) They have a segmented body (B) They possess compound eyes (C) They are exclusively marine (D) All are aquatic 15. In Branchiopoda, the term 'phyllopodia' refers to: (A) Swimming appendages (B) Feeding appendages (C) Leaf-like gills (D) Reproductive structures 16. Which subclass of Branchiopoda includes species known as "brine shrimp"? (A) Diplostraca (B) Cladocera (C) Notostraca (D) Anostraca 17. The primary function of the carapace in Branchiopoda is to: (A) Protect internal organs (B) Aid in locomotion (C) Assist in feeding (D) Facilitate respiration 18. The eye structure of Branchiopoda is typically: (A) Simple eyes (B) Ocelli (C) Compound eyes (D) Both A and B 19. Which of the following Branchiopoda is known for its ability to thrive in highly saline environments? (A) Artemia (B) Daphnia (C) Triops (D) Moina 20. Branchiopods are an important food source for: (A) Terrestrial mammals (B) Reptiles (C) Birds only (D) Fish and other aquatic animals 21. The body of a Branchiopod is divided into how many main sections? (A) Two (B) Three (C) Four (D) Five 22. Which type of reproduction is common in Branchiopoda? (A) Both A and B (B) Sexual reproduction (C) Asexual reproduction (D) Budding 23. Which of the following is a primary feeding method for Cladocera? (A) Scavenging (B) Predation (C) Grazing (D) Filter feeding 24. What type of ecological roles do Branchiopoda primarily play? (A) Predators (B) Herbivores (C) All of the above (D) Primary consumers 25. The compound eyes of Branchiopoda are adapted for: (A) All of the above (B) Color detection (C) Detecting motion (D) Night vision 26. Which Branchiopod is known for having a very short lifespan? (A) Artemia (B) Daphnia (C) Triops (D) Both A and C 27. The appendages of Branchiopoda are primarily used for: (A) All of the above (B) Feeding (C) Respiration (D) Swimming 28. Which subclass of Branchiopoda includes fairy shrimp? (A) Branchiura (B) Cladocera (C) Notostraca (D) Anostraca 29. Which of the following is a distinguishing feature of the subclass Notostraca? (A) They have a large carapace (B) They possess large compound eyes (C) They have a single eye (D) They have a long, flattened body 30. The body of Branchiopoda is primarily composed of: (A) Soft tissue (B) Chitinous exoskeleton (C) Calcified structures (D) Cartilage