We know that the external medium is hypertonic (where a solution containing lower concentration of solutes as compared to another cell) the root cells in contact with the soil actively take up ions. This creates a difference in the concentration ...

Out of the metals Mg, Zn, Fe and Al, Mg will react most vigorously with dilute acid, followed by Al, Zn and Fe

Thermite reaction is a reaction between iron oxide (III) or fe₂O₃ and Aluminium. It is a highly exothermic process and iron is produced in the molten state. It is used to join is used to join railway tracks or cracked ...

As the student has focussed a distant blue coloured building on the screen using a convex lens, a real inverted and diminished image is formed at the principal focus of the convex lens. As object is quite far, a diminished ...

The digestion of food is the break down of complex food substances by the enzymes secreted by various parts of the digestive system. Hormones are secreted by the endocrine glands and act on specific targets.