NEET UG 2017 · Zoology · Question 161
NEET 2017 Zoology, question 161
Question 161 of the NEET 2017 paper (code A) is a Zoology question from Evolution. Its idea, Directional Selection Curve Dynamics, was asked twice, in 2017 and 2022, across NEET 2017–2026. The CBSE official answer key gives option 2.
Updated 2026-10-08
Q161 · Zoology
Artificial selection to obtain cows yielding higher milk output represents
- 1stabilizing selection as it stabilizes this character in the population.
- 2directional as it pushes the mean of the character in one direction.Official answer
- 3disruptive as it splits the population into two, one yielding higher output and the other lower output.
- 4stabilizing followed by disruptive as it stabilizes the population to produce higher yielding cows.
Official answer: option 2 · CBSE official answer key
Same idea
Directional Selection Curve Dynamics, in other papers
NEET asked this idea twice, in 2017 and 2022. The other question below.
- 2022 Q173Natural selection where more individuals acquire specific character value other than the mean character value, leads to :One-line MCQ · Easy
Directional Selection Curve Dynamics: every question and how it was framed
The chapter
Evolution in ten years of NEET
28 questions from 2017–2026, asked in 10 of 10 papers, about 2.7 a paper. Natural Selection alone had 11.