WorksheetsTopic 2: Lessons 1-2 Review
Total questions: 14
Worksheet time: 7mins
The invention of the microscope made it possible for people to discover _______________.
Planets
Plants
Cells
Animals
Unlike Hooke, Leewenhoek observed cells that ____________
could only be seen using an electron microscope
had no cell walls
were alive
came from plants
Cells are the basic unit of structure and _____________ in living things.
shape
identical
junction
function
Which organelle is the control center of the cell?
Mitochondria
Nucleus
Cytoplasm
Vacuole
Small grain like bodies called _____________ produce proteins inside cells.
Ribosomes
Chloroplasts
Lysosomes
Golgi Apparatus
Specialized cells are only found in _______________.
single celled organisms
many celled organisms
bacteria
plants
A light microscope that has 2 or more lenses is called a(n)________________ microscope.
multiple
electron
complex
compound
How does magnification occur in an electron microscope?
convex lenses
uses beams of electrons to scan the surface of a specimen.
powerful mirrors
radar to bounce back the image
A microscope allowed Hooke to see "Tiny rectangular rooms," which he called ____________________.
bacteria
animalcules
viruses
cells
What is the function of the cell wall?
to produce ribosomes
to protect the cell
to protect and support the cell
to direct all of the cells functions
Which cell has a cell wall?
Animal
Viruses
Skin
Plant
What organelle uses energy from the sunlight to produce food?
Lysosome
Endoplasmic Reticulum
Chloroplasts
Nucleus
True or False. The cells in many celled organisms often have different sizes and shapes.
True
False
What are the principles of the cell theory?
All living things are made of cells
All cells are produced from nonliving cells
All new cells are produced from existing cells
Cells are the basic units structure and function in living things.
