1What is the basic unit of body structure in living beings such as a sunflower, a mushroom, an insect and a protozoan?
2Can living beings be classified on the basis of the way their cells are built?
3Is it possible to see a sunflower, a mushroom, an insect, a protozoan and a bacterium all with the naked eye?
4Are the cells found in the bodies of all living beings of the same kind?
5Do all cells do the same kind of work?
6What shapes do cells take? Write your answer with examples.
7Are cells of all these shapes found within one and the same organism?
8What are the small rooms that come into view when a thin section of a leaf stalk is looked at under a microscope?
9Why is the cell called the structural and functional unit of living beings?
10How did Robert Hooke discover the cell? Write a short answer.
11Which is the smallest cell and which is the largest? Give their sizes.
12While making a temporary slide of plant cells, why must the cover slip be lowered slowly from one edge?
13Why must nothing sharp or a metal needle never be used to take cells from inside the cheek?
14Which other specimens can be used in place of onion peel to make a slide of plant cells?