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

Name two possible reasons for this defect of the eye in human beings.

Give two possible reasons for defect of the eye in human beings.

Given below is a diagram depicting a defect of the human eye. Study the same and then answer the questions that follow: Name the parts labelled 1 to 4.

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.

Given below is a diagram depicting a defect of the human eye. Study the same and then answer the questions that follow: Draw a labelled diagram to show how the above mentioned defect is rectified using an appropriate lens.

Given below is a diagram depicting a defect of the human eye, study the same and then answer the questions that follow: (i) Name the defect shown in the diagram. (ii) What are the two possible reasons that cause this defect? (iii) Name the type of lens used to correct this defect. (iv) With the help of a diagram show how the defect shown above is rectified using a suitable lens.

Given below is a representation of kind of pollution. Study the same and answer the questions that follow : Name two soil pollutants.

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.

Study the diagram given below and answer the questions that follow : Name the process being studied in the experiment.

Study the diagram and answer the questions that follow : Write the dental formula of human.