Q1. During hibernation, which organ primarily facilitates respiration in frogs?A. LungsB. SkinC. Buccal cavityD. Gills
Q2. Which of the following structures is responsible for storing urine in frogs?A. KidneyB. CloacaC. Urinary bladderD. Ureter
Q3. Which of the following endocrine glands is NOT present in frogs?A. ThyroidB. Pancreatic isletsC. ThymusD. Adrenal medulla
Q4. What is the primary function of the fat bodies in frogs?A. Store energy for hibernationB. Aid in digestionC. Produce digestive enzymesD. Help in reproduction
Q5. Which of the following is a characteristic feature of the frog’s reproductive system?A. Internal fertilizationB. Viviparous developmentC. External fertilizationD. Direct development
Q6. Which of the following statements about frog metamorphosis is correct?A. Tadpoles have gills for respiration.B. Metamorphosis is controlled by the adrenal gland.C. Frog eggs hatch directly into adult frogs.D. Tadpoles do not undergo morphological changes.
Q7. Which structure in a frog receives bile and pancreatic juices?A. StomachB. RectumC. DuodenumD. Cloaca
Q8. What is the function of the nictitating membrane in frogs?A. HearingB. Protection of eyes underwaterC. Balance while jumpingD. Digestion
Q9. Which endocrine gland in frogs plays a key role in metamorphosis?A. Adrenal glandB. Thyroid glandC. Pituitary glandD. Thymus gland
Q10. Which part of the frog’s brain is responsible for vision?A. Olfactory lobesB. Optic lobesC. Medulla oblongataD. Cerebellum