Biology Class 10 Chapter 16 Man and His Environment

The first compound microscope was made in which of the following? The first compound microscope was developed in which year? The first compound microscope was developed by whom? The magnification power of first compound microscope was? Which of the following is increase in the apparent size of an object in microscopy? Which of the following is the measure of clarity of an image? Change in composition of air by the addition of harmful substance is called as?