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Friday, 9 October

NEET UG 2021 · Chemistry · Question 64

NEET 2021 Chemistry, question 64

Question 64 of the NEET 2021 paper (code O1) is a Chemistry question from The Solid State. Its idea, Crystal Systems and Bravais Lattices, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q64 · Chemistry

The correct option for the number of body centred unit cells in all 14 types of Bravais lattice unit cells is :

  1. 12
  2. 23Official answer
  3. 37
  4. 45

Official answer: option 2 · NTA final answer key

Same idea

The only question on Crystal Systems and Bravais Lattices

No other NEET paper from 2017–2026 tested this exact idea.

Crystal Systems and Bravais Lattices: every question and how it was framed

The chapter

The Solid State in ten years of NEET

10 questions from 2017–2026, asked in 7 of 10 papers, about 0.9 a paper. The Solid State alone had 10.

The Solid State: questions per paper

0241’171’181’191’202’212’222’230’240’250’26