Adult frogs and humans show several differences in their ci…

Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 13 PCB Single Correct MCQ

Published on: August 14, 2026

Adult frogs and humans show several differences in their circulatory, reproductive, and excretory adaptations. However, one of the following traits represents a common physiological characteristic between them despite their evolutionary distance. Identify it.

Ureotelism as the primary mode of nitrogenous waste excretion

Presence of nucleated erythrocytes in circulation

Internal fertilisation as a mode of reproduction

Possession of a four-chambered heart for double circulation

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The correct answer is:

• There is three chambered heart in frog and four chambered heart in humans.

• There is internal fertilisation in humans and external fertilization in frog.

• RBC are enucleated in humans where RBC in frog are nucleated.

• Both humans and frog excrete urea (ureotelic) as nitrogenous waste product.

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