JEE Main · Chemistry · The s-Block Elements
Biological Role of Mg2+ and Ca2+
JEE Main asked Biological Role of Mg2+ and Ca2+ once in the 108 shifts Lumi analysed, on 28 Jul 2022, Shift 2. It belongs to The s-Block Elements (Chemistry).
Updated 2026-10-24
- Times asked
- 1
- in 1 shift
- Years
- 1 of 8
- First asked
- 2022
- the only year
- Pattern
- Occasional
- asked once so far
Questions on this idea a shift, by year
2017–2026. Asked in 2022. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.
Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 1 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.
Shift by shift
Each square is one analysed shift, in date order. Open a filled one for that paper.
How JEE Main framed it
Two statements is the usual form. Skill tested: recall.
- Statement i/ii on s-block uses and biological role
Difficulty
The question was multiple choice.
Every question
The question
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
Shift: 28 Jul 2022, Shift 2.
Same topic
Other ideas in s-Block Elements
s-Block Elements has 27 ideas JEE Main has asked; 20 of them came up in more than one question. The 12 most asked are below.
- Flame Coloration7× · 2024
- Amphoterism of Beryllium Compounds5× · 2023
- Formation of Oxides, Peroxides, and Superoxides5× · 2023
- Hydration Enthalpy Trends4× · 2023
- Diagonal Relationship4× · 2022
- Covalent Character in Halides3× · 2024
- Thermal Stability Trends3× · 2022
- Biological Role of Na and K2× · 2023
- Melting and Boiling Point Trends2× · 2023
- Phase-Dependent Structure of BeCl22× · 2023
- Portland Cement Composition and Setting2× · 2023
- Role of Gypsum in Portland Cement2× · 2023