NEET 1990 · Class 11

Excretory Products and their Elimination

Malpighian tubules are

  1. (A)excretory organs of insects
  2. (B)excretory organs of annelids
  3. (C)respiratory organs of insects
  4. (D)respiratory organs of annelids

The NCERT line that answers it

Verbatim line

Malpighian tubules are the excretory structures of most of the insects including cockroaches.

Chapter
Excretory Products and their Elimination
Section
intro EXCRETORY PRODUCTS AND THEIR ELIMINATION
Page
1
Words matched
24 of 24

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 'Malpighian tubules are the excretory structures of most of the insects including cockroaches,' which directly matches option A (excretory organs of insects) and distinguishes it from all other options.

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Question text is reproduced from the published NEET 1990 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.