NEET UG 2023 · Zoology · Question 165
NEET 2023 Zoology, question 165
Question 165 of the NEET 2023 paper (code G6) is a Zoology question from Human Reproduction. Its idea, Estrous vs. Menstrual Cycle, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q165 · Zoology
Which of the following statements are correct regarding female reproductive cycle?
A. In non-primate mammals cyclical changes during reproduction are called oestrus cycle.
B. First menstrual cycle begins at puberty and is called menopause.
C. Lack of menstruation may be indicative of pregnancy.
D. Cyclic menstruation extends between menarche and menopause.
Choose the most appropriate answer from the options given below:
- 1A, C and D onlyOfficial answer
- 2A and D only
- 3A and B only
- 4A, B and C only
Official answer: option 1 · NTA final answer key
Same idea
The only question on Estrous vs. Menstrual Cycle
No other NEET paper from 2017–2026 tested this exact idea.
Estrous vs. Menstrual Cycle: every question and how it was framed
The chapter
Human Reproduction in ten years of NEET
33 questions from 2017–2026, asked in 10 of 10 papers, about 3.2 a paper. Menstrual Cycle alone had 7.