Consider the following minerals:

1. Calcium

2. Iron

3. Sodium 

Which of the minerals given above is/are required by human body for the contraction of muscles?

In which part of the constitution is the state enjoined to establish Panchayat Raj institutions? UPSC CSE 2018 Prelims · General Studies (Paper 1) Consider the following countries: I. United Arab Emirates II. France III. Germany IV. Singapore V. Bangladesh How many... UPSC CSE 2025 Prelims · General Studies (Paper 1) Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generall... UPSC CSE 2013 Prelims · General Studies (Paper 1) Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to1. resist drought and in... UPSC CSE 2013 Prelims · General Studies (Paper 1) Consider the following statements: Statement I: Activated carbon is a good and an attractive tool to remove pollutants from effluent stre... UPSC CSE 2025 Prelims · General Studies (Paper 1)