6th grade , lesson 1&2

The smallest tiny structures that build up all living organism's bodies are............

• Systems

• Cells

• Organs

• Bricks

we can see all the Cell of................ without using microscope

• bacteria

• plant

• Human

• bird's egg

Living organisms and non-living things are made up of cells

• True

• false

The …………………is an example of unicellular organisms.

• snake

• frog

• Bacteria

What are cells?

• Microscopic parts that make up living things

• The basic structures of plants and animals

• The building blocks of life

• All of the above

Living organisms grow and reproduce as a result of increasing the.......................... of the cells

• size

• number

The body of.................. is Composed of one Cell only

• human

• bacteria

• a big tree

• an elephant

All of the following are from parts of microscope, except...........

• eyepiece

• stage

• Coverslip

• Mirror

Who was the scientist who use the term "cells" for the first time?

• Robert Hooke
• Robert Downey Jr.
• Anton van Leeuwenhoek
• Captain Hook

when you examine apiece of onion under microscope using the low Power objective lens, you will see the cells of onion in............... size

• small

• medium

• big

• very big