The diagram given below is an experimental set-up to demonstrate a metabolic process in plants. Study same and answer the following questions.

(i) Name and define the physiological process being studied.

(ii) What is the aim of the above experiment?

(iii) Draw a neat diagram of an opened stoma and label the guard cells and stoma.

Define - Genetics.

What is meant by turgidity in plant parts ? How does it play an important role ?

Name the basic structural and functional unit of kidney. Write two main steps of 'urine formation'.