Q1. Which phylum includes animals with an open circulatory system?A. AnnelidaB. ChordataC. ArthropodaD. Echinodermata
Q2. Which of the following features is incorrect about mammals?A. They have a diaphragm for respirationB. They have a three-chambered heartC. They possess heterodont dentitionD. They are warm-blooded
Q3. Which of the following characteristics is common to both amphibians and reptiles?A. Three-chambered heartB. Presence of hair or furC. Internal fertilization in all speciesD. Warm-blooded nature
Q4. 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
Q5. Which of the following statements about reptiles is incorrect?A. They are poikilothermic (cold-blooded)B. They possess a diaphragm for respirationC. Their skin is dry and lacks glandsD. They lay shelled eggs
Q6. Which of the following animals belongs to class Reptilia?A. HylaB. IchthyophisC. CheloneD. Neophron
Q7. Which of the following animals is correctly matched with its mode of reproduction?A. Pavo - OviparousB. Panthera leo - OviparousC. Hyla - ViviparousD. Ascaris - Asexual reproduction
Q8. Which of the following statements about platyhelminthes is incorrect?A. They are acoelomateB. They have flame cells for excretionC. They possess a complete digestive systemD. They show bilateral symmetry
Q9. Which of the following is an example of an animal with a hydrostatic skeleton?A. EarthwormB. FrogC. SnakeD. Shark
Q10. Which of the following statements about birds is incorrect?A. They have pneumatic (hollow) bonesB. They excrete urea as their primary nitrogenous wasteC. They have a four-chambered heartD. They are oviparous