NEET UG 2022 · Botany · Question 122
NEET 2022 Botany, question 122
Question 122 of the NEET 2022 paper (code R1) is a Botany question from Molecular Basis of Inheritance. Its idea, Euchromatin vs Heterochromatin, was asked twice, in 2022 and 2025, across NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q122 · Botany
Read the following statements and choose the set of correct statements :
(a) Euchromatin is loosely packed chromatin
(b) Heterochromatin is transcriptionally active
(c) Histone octomer is wrapped by negatively charged DNA in nucleosome
(d) Histones are rich in lysine and arginine
(e) A typical nucleosome contains 400 bp of DNA helix
Choose the correct answer from the options given below :
- 1(a), (c), (e) Only
- 2(b), (d), (e) Only
- 3(a), (c), (d) OnlyOfficial answer
- 4(b), (e) Only
Official answer: option 3 · NTA final answer key
Same idea
Euchromatin vs Heterochromatin, in other papers
NEET asked this idea twice, in 2022 and 2025. The other question below.
- 2025 Q134Match List I with List II : List-I | List-II A. Alfred Hershey and Martha Chase | I. Streptococcus pneumoniae B. Euchromatin | II. Densely…Match the lists · Easy
Euchromatin vs Heterochromatin: every question and how it was framed
The chapter
Molecular Basis of Inheritance in ten years of NEET
61 questions from 2017–2026, asked in 10 of 10 papers, about 5.8 a paper. DNA Double Helix alone had 16.