Q1. Which of the following animals belongs to class Reptilia?A. HylaB. IchthyophisC. CheloneD. Neophron
Q2. Which structure in chordates supports the body during early development?A. Vertebral columnB. NotochordC. Spinal cordD. Hemocoel
Q3. Which of the following statements about echinoderms is correct?A. They have an open circulatory systemB. They are triploblastic and coelomateC. They have an exoskeleton of chitinD. They exhibit bilateral symmetry in adults
Q4. Which of the following structures is associated with osmoregulation in platyhelminthes?A. Malpighian tubulesB. NephridiaC. Flame cellsD. Green glands
Q5. Which of the following is a distinguishing characteristic of reptiles?A. Moist skinB. Presence of feathersC. Cornified, dry skin with epidermal scalesD. Metamorphosis in life cycle
Q6. Which feature is common between birds and mammals?A. OviparityB. FeathersC. Warm-blooded natureD. Lungs with air sacs
Q7. Which of the following is incorrect about mammals?A. They possess mammary glandsB. They are homeothermic (warm-blooded)C. All mammals give birth to live youngD. They have a diaphragm for respiration
Q8. Which phylum is characterized by the presence of a mantle and a shell?A. AnnelidaB. MolluscaC. ArthropodaD. Hemichordata
Q9. Which of the following statements about chordates is correct?A. All chordates possess a vertebral columnB. All chordates have a dorsal, hollow nerve cordC. All chordates exhibit radial symmetryD. All chordates lack pharyngeal gill slits at any stage
Q10. Which feature is characteristic of phylum Ctenophora?A. Nerve netB. Comb plates for locomotionC. Water canal systemD. Segmented body