Amphibian Reproductive System & Development — NEET Biology
📚 Practice ConceptFinally it communicates with the urinogenital duct that comes out of the kidneys and opens into the cloaca. The cloaca is a small, median chamber that is used to pass faecal matter, urine and sperms to the exterior. The female reproductive organs include a pair of ovaries. The eggs are produced in the ovaries and then are passed to the oviducts with kidneys. A pair of oviduct arising from the ovaries opens into the cloaca separately. A mature female can lay 2500 to 3000 ova at a time. The fertilisation and development are external. The eggs hatch into tadpoles, larval stage called tadpole. Tadpole undergoes metamorphosis to form the adult.
Match the following structures/terms of frogs with their correct descriptions: COLUMN I (Structure/Term) 1. Cloaca 2. Cranial nerves 3. Mesorchium 4. Tadpole 5. Ecological role of frogs COLUMN II (Function/Description) A. Double fold of peritoneum attaching testis to kidney B. Opens separately into cloaca in females; passage for urine, faeces, and gametes in males C. Larval stage that undergoes metamorphosis into adult D. Maintain ecological balance by eating insects and linking food chains E. Ten pairs arising from brain
View solution & NCERT explanation
Correct answer: A — 1–B, 2–E, 3–A, 4–C, 5–D
Cloaca → B: In males, receives faeces, urine, and sperms; in females, oviduct opens separately into cloaca. Cranial nerves → E: Frogs have 10 pairs of cranial nerves. Mesorchium → A: A double fold of peritoneum attaching testes to kidneys. Tadpole → C: Larval stage of frog, which undergoes metamorphosis to adult. Ecological role → D: Frogs eat insects, protect crops, and link food chains/webs, maintaining balance.
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Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.
176/180MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.