NEET 2012 · Class 11

Excretory Products and their Elimination

Which one of the following characteristics is common both in humans and adult frogs?

  1. (A)Four chambered heart
  2. (B)Internal fertilization
  3. (C)Nucleated RBCs
  4. (D)Ureotelic mode of excretion

The NCERT line that answers it

Verbatim line

Mammals, many terrestrial amphibians and marine fishes mainly excrete urea and are called **ureotelic** animals.

Chapter
Excretory Products and their Elimination
Section
intro EXCRETORY PRODUCTS AND THEIR ELIMINATION
Page
0
Words matched
14 of 15

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that 'many terrestrial amphibians' (which includes adult frogs) are ureotelic, and humans (mammals) are also ureotelic, directly supporting option D as the common characteristic.

We did this for 1,565 questions.

Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

Question text is reproduced from the published NEET 2012 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.