NEET 2023 · Class 11

Morphology of Flowering Plants

In Calotropis, aestivation is :

  1. (A)Valvate
  2. (B)Vexillary
  3. (C)Imbricate
  4. (D)Twisted

The NCERT line that answers it

Verbatim line

When sepals or petals in a whorl just touch one another at the margin, without overlapping, as in *Calotropis*, it is said to be **valvate**.

Chapter
Morphology of Flowering Plants
Section
5.5 THE FLOWER
Page
9
Words matched
25 of 25

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 in Calotropis, aestivation is valvate, which directly answers the MCQ and distinguishes it from 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.

Question text is reproduced from the published NEET 2023 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.