Differentiate between the following pairs on the basis of what is mentioned within brackets:

Vasopressin and Insulin (Deficiency disorder)

Draw neat and labelled diagrams of the following:

(i) Malpighian Capsule.

(ii) A Myelinated Neuron.

The diagram given below shows a section of a human kidney. Study the diagram carefully and answer the questions that follow:

(i) Label the parts numbered 1 to 4.

(ii) Why does part '2' have a striped appearance?

(iii) What is the fluid that passes down part '4'? Name the main nitrogenous waste present in it.

(iv) Mention the structural and functional units of kidneys.

(v) Name the two major steps in the formation of the fluid mentioned in Q. 5(a) (iii).

Differentiate between the following pairs on the basis of what is mentioned within brackets:

Tubectomy and Vasectomy (Part cut and tied)