Given below is a simple diagram of the human kidney cut open longitudinally. Answer the following questions :

Why does the cortex of the kidney show a 'dotted' appearance ?

Answer the following questions : Mention two functions of the kidney.

The dotted appearance of cortex of kidney is due to

Given below is the diagram of an experiment just at the start. Study the diagram carefully and answer the following questions : Redraw the diagram to show the result of the experiment after a few hours.

Given below is the diagram of an experiment just at the start. Study the diagram carefully and answer the following questions : Why is the membrane separating the two solutions labelled as semipermeable membrane?

Given below is a diagram of a human blood smear. Study the diagram and answer the questons that follow: Name the components numbered 1 to 4.

The diagram given belwo represents a system in the human body. Study the diagram and answer the following question: Identify the system.

Given below is a diagram depicting a physiological process in plants. Study the same and answer the following questions : How does stigma trap the pollen?

Study the phenomenon and answer the questions given below: Why does the process take place ?

Answer the following : Why a haemodialysing unit is called artifical kidney?

Given below is a diagram depicting a defect of the human eye. Study the same and then answer the questions that follow: Name the defect shown in the diagram.