Sexual Dimorphism in Frogs — NEET Biology
✅ Asked in NEET 2026The hind limbs end in five digits and they are larger and muscular than fore limbs that end in four digits. Feet have webbed digits that help in swimming. Frogs exhibit sexual dimorphism. Male frogs can be distinguished by the presence of sound producing vocal sacs and also a copulatory pad on the first digit of the fore limbs which are absent in female frogs.
NTA tests students' knowledge of frog sexual dimorphism, specifically the anatomical differences between males and females. The key features to identify are the presence of vocal sacs and copulatory pads on the first digit of fore limbs in males only—these are absent in females. Students often confuse these male-specific structures or forget that the copulatory pad (also called nuptial pad) is on the fore limbs, not hind limbs. To answer correctly, remember: males have vocal sacs for sound production and copulatory pads for gripping females during mating; females lack both structures. This concept tests understanding of reproductive adaptations and structural differences essential for animal behavior.
This paragraph was tested 2 times in NEET.
Male frogs can be distinguished from female frogs due to the presence of: A. Bulging eyes; B. Vocal sacs; C. Webbed digits in feet; D. Copulatory pad on first digit of fore limbs; E. Olive green-coloured skin with dark irregular spots.
Which of the following statement is correct about location of the male frog copulatory pad?
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