WorksheetsBiology Final Preparation - Semester 1
Total questions: 73
Worksheet time: 37mins
Which of the following is NOT a part of how scientists work?
guessing
observing
hypothesizing
experimenting
The work of scientists usually begins with...
drawing conclusions
careful observations
testing a hypothesis
creating experiments
Information gathered from observing a plant grow 3 cm over a two-week period results in...
variables.
hypotheses.
data.
inferences.
Which of the following variables present in Redi's experiment on spontaneous generation is NOT a controlled variable?
types of meat used
gauze covering that keeps flies away from meat
temperature at which the jars were stored
types of jars used
Which of the following is a valid hypothesis for why a plant appears to be dying?
The plant is receiving too much sunlight.
The plant is not being watered enough.
The plant is being watered too much.
all of the above
Hypotheses may arise from...
informed, creative imagination.
logical inferences.
prior knowledge.
all of the above
Scientists publish the details of important experiments so that...
their work can be repeated.
others can try to reproduce the results.
their experimental procedures can be reviewed.
all of the above
Biology is the study of...
animals and plants only.
the environment.
the land, water, and air on Earth.
the living world.
Safety procedures are important when working...
in a laboratory.
in the field.
with animals.
all of the above.
You suggest that the presence of water could accelerate the growth of bread mold. This is a(an)...
analysis.
experiment.
hypothesis.
conclusion.
The three particles that make up atoms are...
protons, neutrons, and isotopes.
neutrons, isotopes, and electrons.
positives, negatives, and electrons.
protons, neutrons, and electrons.
The space surrounding the nucleus of an atom contains...
protons.
electrons.
neutrons.
ions.
The nucleus is made up of...
protons and electrons.
electrons and neutrons.
protons and neutrons.
protons, neutrons, and electrons.
Which of the following makes up a molecule of water?
one atom of hydrogen and one atom of oxygen.
one atom of sodium and one atom of chlorine.
one atom of hydrogen and two atoms of oxygen.
two atoms of hydrogen and one atom of oxygen.
The most abundant compound in most living things is...
carbon dioxide.
water.
sodium chloride.
sugar.
A solution is a(an)...
breaking of a chemical bond.
chemical reaction.
evenly distributed mixture of two or more substances.
combination of two or more liquids.
A map of eastern North America, showing the pH of rainfall in the various states, indicates that the pH of rain in New York State varies from 4.22 to 4.40. According to these figures, the most acidic rainfall in New York State has a pH of...
4.22.
4.30.
4.35.
4.40.
A substance with a pH of 6 is called...
an acid.
a base.
both an acid and a base.
neither an acid or a base.
Which hydrogen and oxygen combine to form water, water is...
a product.
a reactant.
both a product and a reactant.
neither an acid nor a base.
Identify the reactant(s) in the chemical reaction CO₂+ H₂O → H₂CO₃.
CO₂, H₂O, and H₂CO₃
CO₂ and H₂O
H₂CO₃
CO₂
Which of the following is NOT a principle of the cell theory?
Cells are the basic units of life.
All cells are produced by existing cells.
Very few cells reproduce.
All living things are made of cells.
Which organelles help provide cells with energy?
rough endoplasmic reticulum
Golgi apparatus and ribosomes
mitochondria and chloroplasts
smooth endoplasmic reticulum
Which of the following organisms are prokaryotes?
bacteria
animals
plants
all of the above
Which organelle would you expect to find in plant cells but not animal cells?
smooth endoplasmic reticulum
chloroplast
mitochondrion
ribosome
Who was one of the first people to identify and see cork cells?
Matthias Schleiden
Anton van Leeuwenhoek
Robert Hooke
Rudolf Virchow
The main function of the cell wall is to...
store DNA.
direct the activities of the cell.
support and protect the cell.
help the cell move.
Which of the following is a function of the cell membrane?
regulates what enters and leaves the cell
breaks down lipids, carbohydrates, and proteins from foods
keeps the cell wall in place
stores water, salt, proteins, and carbohydrates
Which of the following contain a nucleus?
organelles
bacteria
prokaryotes
eukaryotes
The work of Schleiden and Schwann can be summarized by saying that...
plants and animals have specialized cells.
all plants and animals are made of cells.
all plants are made of cells.
all animals are made of cells.
Which of the following is an example of an organ?
digestive system
heart
nerve cell
epithelial tissue
Which of the following is an organ of the digestive system?
stomach
muscle cell
epithelial tissue
nerve tissue
Which of the following structures serves as the cell's boundary from its environment?
chloroplast
mitochondrion
channel proteins
cell membrane
Which of the following is a function of the nucleus?
contains information needed to make proteins
stores DNA
controls most of the cell's processes
all of the above
Which of the following statements explains why the nucleus is important to cells?
The nucleus is surrounded by a nuclear envelope.
Only prokaryotes have nuclei.
The nucleus contains coded instructions for making proteins.
Only eukaryotes have nuclei.
Which of the following structures is found in the cytoplasm?
nucleolus
cell wall
chromatin
ribosome
Prokaryotes lack...
cytoplasm.
genetic material.
a cell membrane.
a nucleus.
The cell throry applies to...
multicellular organisms.
plants and animals.
bacteria.
all of the above
Which list represents the levels of organization in a multicellular organism from the simplest level to the most complex level?
biosphere, cell, tissue, organ system
cell, tissue, organ, organ system
organ system, organ, tissue, cell
tissue, organ, organ system
The main function of the ______ is to provide support and protection.
cell wall
cell membrane
The cell represented in the image is a _________.
eukaryote
prokaryote
If a cell contains a nucleus, it must be a ________.
prokaryote
eukaryote
The basic unit of matter is the ______.
molecule
atom
A substance made up of only one kind of atom is an ________.
element
product
"The bird has brown spots on its wings" is an example of an _________.
inference
observation
For a hypothesis to have value, it must be _______.
testable
correct
Field studies are used to study animals in the _________.
laboratory
field
What is the photosynthetic equation?
6CO2 + 6H2O →(light) C6H12O6 + 6O2
6H2O + 6CO2 →(light) C6H12O6
C6H12O6
6H2O + 6CO2 →(light)
strong supporting layer around the cell membrane in plants, algae, and some bacteria.
cell membrane
cell wall
lipid bilayer
nucleus
double-layered sheet that forms the core of nearly all cell membranes.
nucleus
cell wall
lipid bilayer
cell membrane
the mass of solute in given volume of solution, or mass/volume
Hypertonic
Hypotonic
Isotonic
Concentration
All materials in/out of the cell are at equilibrium
Isotonic
Concentration
Hypertonic
Hypotonic
Having a higher concentration of solute outside the cell
Concentration
Hypertonic
Isotonic
Hypotonic
Having a higher concentration inside the cell
Hypotonic
Isotonic
Hypertonic
Concentration
process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated.
Facilitated Diffusion
Osmosis
Diffusion
Active Transport
Diffusion of water through a selectively permeable membrane
Active Transport
Facilitated Diffusion
Diffusion
Osmosis
process that moves materials from high to low concentration with the help of protein channels; does not require energy
Diffusion
Osmosis
Active Transport
Facilitated Diffusion
The movement of materials through a cell membrane using energy
Active Transport
Facilitated Diffusion
Osmosis
Diffusion
actively transporting molecules into the cell by engulfing it into its membrane
Exocytosis
Pinocytosis
Endocytosis
Phagocytosis
process in which extensions of cytoplasm surround and engulf large particles and take them into the cell; cell eating
Phagocytosis
Endocytosis
Exocytosis
Pinocytosis
process by which a cell takes in small liquid particles from the surrounding environment; cell drinking
Exocytosis
Phagocytosis
Endocytosis
Pinocytosis
a process by which the contents of a cell vacuole are released to the outside of a cell through fusion of the vacuole membrane with the cell membrane.
Endocytosis
Exocytosis
Phagocytosis
Pinocytosis
When the concentration of a solute is the same throughout a solution, this is called _________.
equilibrium
isotonic
Which of the following are autotrophs?
impalas
leopards
plants
mushrooms
One of the principal chemical compounds that living things use to store energy is...
DNA
ATP
H2O
CO2
Which scientist concluded that most of a growing plant's mass comes from water?
Priestly
van Helmont
Ingenhousz
Calvin
In addition to light and chlorophyll, photosynthesis requires...
water and oxygen
water and sugars
oxygen and carbon dioxide
water and carbon dioxide
The leaves of a plant appear green because chlorophyll...
reflects blue light
absorbs blue light
reflects green light
absorbs green light
The products of photosynthesis are...
sugars and oxygen
sugars and carbon dioxide
water and carbon dioxide
hydrogen and oxygen
Which organelle contains chlorophyll?
The first process in the light-dependent reactions of photosynthesis is...
light absorption.
electron transport.
oxygen production.
ATP formation.
Which substance from the light-dependent reactions of photosynthesis is a source of energy for the Calvin cycle?
ADP
NADPH
H2O
pyruvic acid
The light-independent reactions of photosynthesis are also known as the...
Calvin cycle.
Priestley cycle.
Ingenhousz cycle.
van Helmont cycle.
Which factor affects photosynthesis?
Location
Temperature
Weather
all of the above
