Question

An innovative professor who wanted to give a live demonstration of a physiological process, filled a glass bottle with previously moistened mustard seeds and water. He screwcapped the bottle and kept it away in a corner and resumed his lecture. Towards the end of his lecture there was a sudden ***** with glass pieces of bottle thrown around.

Which of the following phenomena did the professor want to demonstrate?

(a) Diffusion

(b) Osmosis

(c) Anaerobic respiration

(d) Imbibition

Answer 1

Correct option (d) Imbibition

Explanation:

If certain substances for example seeds are dropped in water, within a few hour they absorbs the water and swell up considerably. These substances are called imbibants and the phenomenon is known as imbibition. The biast occurred due to increasing imbibltional pressure whose magnitude is extremely high.