WorksheetsBiology - Unit 2
Total questions: 25
Worksheet time: 13mins
What is the magnification of the ocular lens (eyepiece) on a light microscope?
1x
10x
40x
50x
If the ocular (eyepiece) lens is 10x and the objective lens is 4x, what is the total magnification?
10x
4x
40x
400x
If the specimen on the slide is facing you, how would it appear through the lens?
Upside down
Upside down AND inverted (flipped)
It would appear the same as it is on the stage
Which scientist discovered cells?
Gregor Mendel
Robert Hooke
Isaac Newton
Bill Nye
What was Anton Van Leeuwenhoek known for? (select all that apply)
Discovering cells
Discovering prokaryotic and eukaryotic cells
Making his own lenses and microscopes
Discovering human blood cells
Which of the following is NOT a part of the Cell Theory?
All living organisms are made up of one or more cells
Cells cannot be destroyed
All life functions occur within cells
All cells come from pre-existing cells
Which of the following cell organelles are common in most living organisms? (select all that apply)
Plasma/cell membrane
Chloroplast
Cytoplasm
DNA
Ribosomes
This organelle is a thin layer of lipids (fats) that surround a cell; also known as the "skin" of a cell.
DNA
Ribosomes
Plasma/cell membrane
Cytoplasm
This is where all the cellular material inside the cell membrane exists, besides the nucleus.
DNA
Ribosomes
Plasma/cell membrane
Cytoplasm
This is a structure in the cytoplasm where proteins are made.
DNA
Ribosomes
Plasma/cell membrane
Cytoplasm
The _______ contains the genetic instructions needed to make proteins.
DNA
Ribosomes
Plasma/cell membrane
Cytoplasm
Which type of cell contains NO nucleus?
Prokaryotic cell
Eukaryotic cell
Which type of cell is found in animals?
Prokaryotic cell
Eukaryotic cell
Where can prokaryotic cells be found?
Humans
Bacteria
Fungi
Plants
Which organelle protects the DNA?
Ribosomes
Nucleus
Mitochondria
Cell wall
Select all parts of the biosphere where carbon is ABSORBED.
Atmosphere
Ocean
Plants
Animals/humans
Soil & rocks
Select all parts of the biosphere where carbon is RELEASED.
Atmosphere
Decomposition
Plants
Animals/humans
Factories (fossil fuels)
True or false: The earliest atmosphere was composed of hydrogen and helium gases.
True
False
Before the atmosphere evolved into how it is during present day, what gases was it primarily composed of? Select all that apply.
Oxygen
Nitrogen
Methane
Carbon dioxide
Ammonia
What was the primary source of the abundance of carbon dioxide in Earth's early atmosphere?
Fossil fuels
Volcanic activity
Human respiration (breathing)
In order for photosynthesis to take place, what does a plant need?
Oxygen
Sunlight
Glucose
Water
Carbon dioxide
After photosynthesis takes place, what is "yielded" or created?
Oxygen
Sunlight
Glucose
Water
Carbon dioxide
White light from the Sun is really...
red light
infrared light
blue light
all colors from the spectrum
Most plants are green due to a pigment called ____________.
Photosynthesis
Ribosome
Chlorophyll
Chloroplast
Plants reflect back green and _________ light, while all the other colors are absorbed.
red
orange
yellow
violet
