Q1. Which hormone in frogs is responsible for regulating calcium metabolism?A. ThyroxineB. AdrenalineC. Parathyroid hormoneD. Insulin
Q2. Which of the following statements about the frog’s skin is incorrect?A. Frog skin is highly vascularized and helps in respiration.B. Frogs have dry, scaly skin to prevent water loss.C. The skin of frogs contains mucus glands.D. Frog skin plays a role in camouflage.
Q3. Which of the following statements about frog reproduction is incorrect?A. Male frogs have vocal sacs to attract females during mating.B. Frogs undergo external fertilization.C. Frogs reproduce through asexual reproduction.D. Female frogs lay eggs in water.
Q4. Which of the following features helps frogs in camouflage?A. TympanumB. Nictitating membraneC. MimicryD. Webbed feet
Q5. Which of the following statements about the nervous system of frogs is incorrect?A. Frogs have a well-developed brain with forebrain, midbrain, and hindbrain.B. Frogs have 10 pairs of cranial nerves.C. The spinal cord extends throughout the length of the body.D. Frog brains contain optic lobes responsible for vision.
Q6. Which part of the frog's digestive system is responsible for nutrient absorption?A. StomachB. LiverC. Small intestineD. Large intestine
Q7. Which organ in a frog acts as the site for nitrogenous waste filtration?A. LungsB. KidneysC. LiverD. Heart
Q8. Which part of the frog’s excretory system temporarily stores urine?A. KidneyB. UreterC. Urinary bladderD. Cloaca
Q9. Which part of a frog’s nervous system controls involuntary actions?A. CerebrumB. CerebellumC. Medulla oblongataD. Olfactory lobes
Q10. Which chamber in a frog’s heart receives deoxygenated blood?A. Left atriumB. Right atriumC. VentricleD. Conus arteriosus