| List-I (Element) | List-II (Property/Use) |
|---|---|
| A. Mg | 3. Traps the energy of sunlight in photosynthesis |
| B. Ca | 4. Control of muscle contraction |
| C. Sr | 1. Gives red colour to flame |
| D. Ba | 2. Sulphate compound used in medicine to examine the alimentary canal of a patient |
A–2, B–4, C–1, D–3
A–2, B–1, C–4, D–3
A–3, B–4, C–1, D–2
A–3, B–1, C–4, D–2
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy