Class 9 Practice Level 2 – Diversity In Living Organisms – Set 2 Leave a Comment / By Gulam Hamza / July 5, 2024 Class 9 Practice Level 2 - Diversity In Living Organisms - Set 2 Total questions: 25 1. Which of the following is a characteristic of annelids? Exoskeleton Segmented bodies Radial symmetry Jointed appendages None 2. Which of the following is a feature of gymnosperms? Flowers Seeds enclosed in fruit Naked seeds Non-vascular tissue None 3. Which phylum includes animals with a hydrostatic skeleton? Arthropoda Mollusca Annelida Echinodermata None 4. What type of body symmetry is found in flatworms? Radial symmetry Bilateral symmetry Asymmetry Pentamerous symmetry None 5. Which of the following is a characteristic of reptiles? Moist skin External fertilization Scales Live birth None 6. Which group of plants is known for having vascular tissues but no seeds? Bryophytes Gymnosperms Angiosperms Pteridophytes None 7. What is the main function of the stomata in leaves? Absorption of water Transporting nutrients Gas exchange Structural support None 8. Which of the following is a characteristic of echinoderms? Exoskeleton Radial symmetry Segmented bodies Jointed appendages None 9. What is the role of rhizoids in bryophytes? Photosynthesis Reproduction Absorption and anchorage Transport of water None 10. Which class of vertebrates has both aquatic and terrestrial members? Pisces Amphibia Reptilia Aves None 11. Which type of root system is characteristic of monocots? Tap root system Fibrous root system Adventitious root system Prop root system None 12. Which phylum includes animals with tube feet for locomotion? Arthropoda Mollusca Annelida Echinodermata None 13. Which of the following is a characteristic feature of molluscs? Exoskeleton Jointed appendages Soft body Segmented body None 14. What type of circulatory system is found in annelids? Open circulatory system Closed circulatory system Water vascular system No circulatory system None 15. Which class of vertebrates is characterized by the presence of mammary glands? Amphibia Reptilia Aves Mammalia None 16. Which of the following is a characteristic of dicotyledonous plants? One cotyledon Parallel leaf venation Vascular bundles scattered Floral parts in multiples of four or five None 17. Which of the following is a function of the cuticle in plants? Photosynthesis Gas exchange Water retention Nutrient absorption None 18. Which phylum includes animals with a notochord at some stage of development? Arthropoda Mollusca Annelida Chordata None 19. What type of body cavity do coelomates have? No body cavity Pseudocoelom True coelom Gastrovascular cavity None 20. Which phylum do jellyfish belong to? Porifera Cnidaria Platyhelminthes Nematoda None 21. Which of the following is a characteristic of reptiles? Three-chambered heart Moist skin Laying amniotic eggs Live birth None 22. Which of the following is an adaptation found in desert plants? Broad leaves Shallow root system Thick cuticle High transpiration rate None 23. Which class of vertebrates is characterized by the presence of feathers? Amphibia Reptilia Aves Mammalia None 24. Which type of leaf venation is characteristic of dicots? Parallel venation Reticulate venation No venation Spiral venation None 25. Which group of animals is characterized by having a water vascular system? Arthropoda Mollusca Echinodermata Annelida None 1 out of 25 Time's up