WorksheetsBiology 1st Semester Review
Total questions: 20
Worksheet time: 10mins
Horseplay, practical jokes, or pranks in the classrooms are
always against the rules
okay
not dangerous
okay if you are working alone
Which of the following is permitted in the lab?
chewing gum
eating
drinking
none of these
A testable statement that leads to scientific investigation based on prior knowledge is known as:
theory
experiment
observation
hypothesis
The maintenance of an organism’s internal conditions is called
homeostasis
metabolism
balancing
evolution
.
What is the idea that life can arise ("It came outta nowhere!") from nonliving material?
biogenesis
evolution
spontaneous combustion
spontaneous generation
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes the furthest?
the height of the plane's flight path
the type of paper airplane
the distance of each plane's flight
the flight pattern of each plane when thrown
What makes up cell membranes, waxy coverings, and is secondary energy storage?
Carbohydrates
Proteins
Nucleic acids
Lipids
Which of the following are the main source of energy?
Carbohydrates
Lipids
Proteins
Nucleic acids
What happens to an enzyme if the pH or temperature is too high?
Nothing happens
The enzyme changes shape
The enzyme works faster
More product is made
If you want to figure out how many times you've magnified an object you would
add the power of the eyepiece and the objective lens together
subtract the power of the lens from 100
multiply the power of the eyepiece and the objective lens together
the power of the objective is how many times you magnified the object
If you want to focus the image initially and make it larger you would use
fine adjustment knob
objective lenses
diaphragm
coarse adjustment knob
If you look in the microscope and the light is too bright you would use the ___ to adjust the brightness.
fine adjustment knob
coarse adjustment knob
objective lens
diaphragm
Proteins are made here
Endoplasmic Reticulum
Ribosomes
Nucleolus
Chloroplast
Help pull chromosomes apart during mitosis
Chromatin
Cilia
Centrioles
Flagella
The digestion center of the cell
Golgi body
Vacuole
Endoplasmic Reticulum
Lysosome
What kind of transport does not require energy?
Active
Vacuole
Passive
Na/K Pump
What is something that prokaryotic and eukaryotic cells have in common?
They have a nucleus.
They are multi-cellular.
They have DNA.
They have organelles that are membrane-bound.
What is an isotonic solution?
When solutions are in equilibrium
When the solution has more solute
When the solution has less solute
Has a greater pressure
What are the reactants of photosynthesis?
carbon dioxide and oxygen
water and oxygen
carbon dioxide and water
water and glucose
A(n) ______ is a substance with a pH less than 7
acid
alkaline
base
buffer
