Q1. What is the primary function of the water vascular system in echinoderms?A. ReproductionB. Locomotion and food captureC. ExcretionD. Circulation of nutrients
Q2. Which phylum does the animal 'Pleurobrachia' belong to?A. CnidariaB. PlatyhelminthesC. CtenophoraD. Echinodermata
Q3. Which of the following statements about amphibians is correct?A. They have dry, scaly skinB. They exhibit direct developmentC. They use gills in the adult stageD. They have a three-chambered heart
Q4. Which of the following statements about Phylum Porifera is correct?A. They have a tissue-level organizationB. They exhibit intracellular digestionC. They have a complete digestive systemD. They possess cnidoblasts
Q5. Which of the following statements about Aschelminthes (Nematoda) is incorrect?A. They are pseudocoelomatesB. They exhibit radial symmetryC. They have a complete digestive systemD. They have a tough, non-living cuticle
Q6. Which feature is found in both reptiles and birds, showing their evolutionary relationship?A. Presence of feathersB. Scales on the bodyC. Mammary glandsD. Three-chambered heart
Q7. Which of the following organisms exhibits indirect development?A. EarthwormB. HydraC. FrogD. Lizard
Q8. Which of the following features is incorrect regarding Chondrichthyes?A. They have a cartilaginous endoskeletonB. They possess an operculum over the gillsC. They have a two-chambered heartD. They lack a swim bladder
Q9. Which of the following animals is a member of phylum Mollusca?A. AscarisB. PheretimaC. OctopusD. Asterias
Q10. Which of the following characteristics is incorrect regarding amphibians?A. They have a three-chambered heartB. They respire through lungs, skin, and gills at different life stagesC. They have dry, scaly skinD. They exhibit external fertilization in most species