NEET 2019 · Class 11

Morphology of Flowering Plants

Which of the following shows whorled phyllotaxy?

  1. (A)Mustard
  2. (B)China rose
  3. (C)Alstonia
  4. (D)Calotropis

The NCERT line that answers it

Verbatim line

If more than two leaves arise at a node and form a whorl, it is called **whorled**, as in *Alstonia*.

Chapter
Morphology of Flowering Plants
Section
5.3 THE LEAF
Page
6
Words matched
20 of 20

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 Alstonia exhibits whorled phyllotaxy, which directly answers the MCQ and distinguishes it from the other options.

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.

Take the free 5-minute checkMore from this chapter

Question text is reproduced from the published NEET 2019 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.