NEET UG 2018 · Zoology · Question 149
NEET 2018 Zoology, question 149
Question 149 of the NEET 2018 paper (code AA) is a Zoology question from Structural Organisation in Animals. Its idea, Sexual Dimorphism: Anal Styles vs. Cerci, was asked twice, in 2018 and 2023, across NEET 2017–2026. The CBSE official answer key gives option 2.
Updated 2026-10-08
Q149 · Zoology
Which of the following features is used to identify a male cockroach from a female cockroach ?
- 1Forewings with darker tegmina
- 2Presence of caudal stylesOfficial answer
- 3Presence of a boat shaped sternum on the 9 abdominal segment
- 4Presence of anal cerci
Official answer: option 2 · CBSE official answer key
Same idea
Sexual Dimorphism: Anal Styles vs. Cerci, in other papers
NEET asked this idea twice, in 2018 and 2023. The other question below.
- 2023 Q190Which of the following is characteristic feature of cockroach regarding sexual dimorphism ?One-line MCQ · Easy
Sexual Dimorphism: Anal Styles vs. Cerci: every question and how it was framed
The chapter
Structural Organisation in Animals in ten years of NEET
27 questions from 2017–2026, asked in 10 of 10 papers, about 2.6 a paper. Cockroach Anatomy alone had 9.