Question

D. Answer the following questions.
1. What is a cell?
2. What are unicellular organisms? Give two examples.
3. How are unicellular organisms different from multicellular organisms?
4. List the levels of organization in a multicellular organism.
5. What is a specimen. What do we use to view a specimen?
6. What is a coverslip? Why do we use it in preparing a slide?
7. Describe the stepwise process of preparing a slide,​

Answer 1

Answer:

Unicellular Organisms : These are the living organisms that are made up of only one cell.

Also called single-celled organisms.

Types : 

∙ Eukaryotic cells

∙ Prokaryotic cells

Examples - Amoeba, yeast etc.

Multicellular organisms - These are the living organisms that consists of large number of cells

 that constitute an organism

Types:-

∙ Plant cells

∙ Animal cells.

Example- Man, tree, mushroom etc.

Answer 2

ans 2

Answer:

unicellular organisms made up single cell

they have very short life

the all work is done by single cell

ans 3