Q1. Which feature in birds aids in excretion of nitrogenous waste?A. Urea excretionB. Uric acid excretionC. Ammonia excretionD. Sweat glands
Q2. Which of the following statements about birds is incorrect?A. They have a four-chambered heartB. They excrete uric acidC. They possess mammary glandsD. They have hollow (pneumatic) bones
Q4. Which of the following statements about bony fishes is correct?A. They have a cartilaginous endoskeletonB. They possess a swim bladder for buoyancyC. They lack an operculumD. They exhibit internal fertilization in all species
Q5. Which of the following features is present in amphibians but absent in reptiles?A. Gills in larval stageB. Three-chambered heartC. Oviparous natureD. Scales on skin
Q6. Which characteristic of amphibians limits their distribution to moist environments?A. Their dependence on water for respirationB. External fertilization and aquatic larval stagesC. Presence of dry, scaly skinD. Complete reliance on lungs for respiration
Q7. Which phylum does the organism Ascaris belong to?A. AnnelidaB. PlatyhelminthesC. NematodaD. Echinodermata
Q8. Which feature distinguishes marsupials from other mammals?A. Egg-layingB. Pouch for young developmentC. Three-chambered heartD. Lack of hair
Q10. What type of development is exhibited by amphibians?A. Direct developmentB. Indirect developmentC. Viviparous developmentD. Asexual reproduction