NEET BIOLOGY

Detailed explanation-1: -Answer: I think true. because cells are only show under microscope and we have to see anything under microscope we have to make a slide of that thing. I hope this answers helps you.

Detailed explanation-2: -Bacteria are the smallest micro-organisms, ranging from between 0.0001 mm and 0.001 mm in size. Phytoplankton and protozoa range from about 0.001 mm to about 0.25 mm. The naked eye can see only the largest phytoplankton and protozoa. Most can only be seen under a microscope.

Detailed explanation-3: -Thus, most cells in their natural state, even if fixed and sectioned, are almost invisible in an ordinary light microscope. One way to make them visible is to stain them with dyes.

Detailed explanation-4: -Most unicellular organisms are of microscopic size and are thus classified as microorganisms. However, some unicellular protists and bacteria are macroscopic and visible to the naked eye.