Plants receive their nutrients mainly from in the following ?

Which among the following elements increases the absorption of water and calcium in plants?

The rolling ball stops itself after rolling away for some reason, which of the following reasons?

____________are known as the ‘suicide bags’ of the cell.

Sulphuric acid is

Which of the following elements forms strong alkaline oxides when ignited in oxygen?

Is the plaster of Paris obtained?

What is the normal resting heart rate range for adults (beats/min)?