WorksheetsBiology Midterm Review
Total questions: 53
Worksheet time: 31mins
Name
Class
Date
1.
Which of the following is NOT a characteristic of living things?
a)
Livings things are made of cells
b)
Living things respond to the environment
c)
Living things move
d)
Livings things have the need for energy
2.
The three particles that make up an atom are
a)
Protons, neutrons, and isotopes
b)
positives, negatives, and electrons
c)
Neutrons, isotopes, and electrons
d)
protons, neutrons, and electrons
3.
A researcher conducted an experiment to see if increasing water consumption lessens the visible effects of rosacea, a common skin condition. The dependent variable in this experiment was
a)
Rosacea disorder
b)
increased water consumption
c)
amount of water consumed
d)
visible skin condition
4.
A school psychologist is interested in studying the effectiveness of a reading improvement program and has randomly assigned participants to one of two groups. The 1st group receives training in phonics, while the 2nd group is put on a waiting list and receives no training. What is the control group?
a)
the group that received the phonics training
b)
The group that received no training
c)
The school psychologist
d)
The population
5.
Dogs do not sweat like humans, so they release excess heat from their bodies by panting. Panting is considered
a)
Lactic acid fermentation
b)
Cellular respiration
c)
A gene malfunction
d)
A homeostatic mechanism
6.
A covalent bond is formed as the result of
a)
Transferring electrons
b)
sharing electrons
c)
eliminating protons
d)
sharing protons
7.
The attraction of one water molecule to another water molecule due to polarity is called
a)
Adhesion
b)
cohesion
c)
high specific heat
d)
wetness
8.
Which of the following BEST completes the sentence below?
Due to the polarity of water, nonpolar covalent substances like wax:
Due to the polarity of water, nonpolar covalent substances like wax:
a)
do not dissolve in water and are considered insoluble
b)
are volatile so they dissolve in water
c)
dissolve in water and are considered soluble
d)
do not melt but will not dissolve in water
9.
Proteins are polymers formed from
a)
cholesterol
b)
nucleotides
c)
amino acids
d)
glycerol + 3 fatty acids
10.
A monosaccharide is a
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
11.
What does the following formula represent?
a)
sugar
b)
starch
c)
amino acid
d)
fatty acid
12.
Which of the following carbon-based compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
13.
Which of the following is NOT one of the four carbon-based polymers in examples we learned in class?
a)
polysaccharide
b)
polypeptide
c)
amino acid
d)
DNA
14.
Which phrase below BEST describes a polymer?
a)
Individual small units
b)
Information coded in DNA
c)
Large molecule made of many small molecules
d)
Individual amino acids
15.
What is the term used to describe the energy needed to start a reaction?
a)
activation energy
b)
adhesion energy
c)
cohesion energy
d)
chemical energy
16.
According to the graph shown, what type of reaction has occurred? HINT: it's an explosion
a)
activation reaction
b)
hydrogen reaction
c)
exothermic reaction
d)
endothermic reaction
17.
Which of the following statements about enzymes is NOT true?
a)
Enzymes work best at a specific pH and temp
b)
Enzymes are types of proteins
c)
Enzymes increase activation energy a lot
d)
Enzymes are biological catalysts
18.
A substance that lowers the activation energy and increases the rate of a chemical reaction is called a(n)
a)
catalyst
b)
molecule
c)
lipid
d)
element
19.
The diagram shows how an enzyme (black) binds to a substrate (white) during a chemical reaction. When this reaction is complete, the
a)
Enzyme changes shape and doesn’t function
b)
The surrounding temperature increases
c)
Hydrogen ions increase in concentration
d)
The substrate reacts to make a different molecule or product
20.
Eukaryotes contain a ___________ whereas prokaryotes do not contain this.
a)
cytoplasm
b)
nucleus
c)
DNA
d)
ribsome
21.
Which organelle converts food energy into energy the cell can use for growth, development, and movement? It is the "powerhouse" of the cell
a)
chloroplast
b)
Golgi apparatus
c)
endoplasmic reticulum
d)
mitochondria
22.
Which of the following is a function of the cell membrane?
a)
Regulates which materials enter and leave the cell, like a window screen
b)
Keeps the cell wall in place
c)
Breaks down lipids, carbohydrates, and proteins from foods
d)
Stores water, salt, proteins, and carbohydrates
23.
Diffusion is the movement of molecules from
a)
an area of low solute concentration to an area of high solute concentration.
b)
an area of equilibrium to an area of high solute concentration.
c)
an area of high solute concentration to an area of low solute concentration.
d)
all of the above
24.
Which of the following is a function of the nucleus?
a)
controls most of the cell’s processes (“control center”)
b)
contains the information needed to make proteins
c)
stores DNA
d)
all of the above
25.
The small organelles found in both prokaryotes and eukaryotes that builds a protein are called
a)
lysosomes
b)
vesicles
c)
nuclei
d)
ribosomes
26.
Cell A is a normal human blood cell before it is placed in a solution. Cell B is the same human blood cell after it placed in the solution. The solution can be described as
a)
isotonic
b)
hypertonic
c)
hypotonic
d)
equilibrium
27.
Which means of particle movement requires an input of energy from the cell?
a)
facilitated diffusion
b)
osmosis
c)
active transport
d)
diffusion
28.
The figure shows which of the following?
a)
ADP
b)
ATP
c)
NADPH
d)
NAD+
29.
Energy is released from ATP when
a)
a phosphate group is added
b)
adenine bonds to ribose
c)
ATP is exposed to sunlight
d)
A phosphate group is removed
30.
Photosynthesis uses sunlight to convert carbon dioxide and water into
a)
glucose and oxygen
b)
glucose and water
c)
hydrogen and oxygen
d)
ATP and water
31.
Which of the following equations best represents photosynthesis?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6CO2 + 6H2O + Light energy --> 6O2 + C6H12O6
c)
6CO2 + C6H12O6 + Light Energy -> 6O2 + 6H2O
d)
6O2 + 6H2O -> 6CO2 + C6H12O6
32.
Which of the following is the site of the light dependent reactions of photosynthesis in the chloroplast?
a)
stroma
b)
thylakoid membrane
c)
matrix
d)
inner membrane space
33.
Which of the following is a reactant (input) in the Calvin Cycle of photosynthesis?
a)
O2
b)
C6H12O6
c)
CO2
d)
COOH
34.
The goal of cellular respiration is the production of which of the following?
a)
oxygen
b)
alcohol
c)
lactic acid
d)
ATP Energy
35.
Which of the following equations best represents cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6CO2 + 6H2O + Light energy --> 6O2 + C6H12O6
c)
6CO2 + C6H12O6 + Light Energy -> 6O2 + 6H2O
d)
6O2 + 6H2O -> 6CO2 + C6H12O6
36.
The 2 main types of fermentation are called
a)
Aerobic and anaerobic
b)
Alcoholic and lactic acid
c)
Aerobic and lactic acid
d)
Anaerobic and alcoholic
37.
Glycolysis and fermentation are anaerobic processes. What does this mean?
a)
They do not produce oxygen.
b)
They do not need oxygen to occur.
c)
They need oxygen in order to occur.
d)
They produce oxygen.
38.
They type of fermentation used by yeast is called
a)
alcoholic
b)
lactic acid
c)
pyruvic acid
d)
glycolic acid
39.
When the body exercises for longer than 90 seconds and performs consistent inhalation of oxygen, it makes ATP using
a)
alcoholic fermentation
b)
all of cellular respiration
c)
lactic acid fermentation
d)
just glycolysis
40.
During interphase, a cells grows, duplicates organelles, and
a)
replicates DNA
b)
divides the nucleus
c)
divides the cytoplasm
d)
produces a new cell
41.
If a cell has 12 chromosomes, how many chromosomes will each of its daughter cells have after mitosis and cytokinesis?
a)
4
b)
6
c)
12
d)
24
42.
Which statement describes the chromosome shown?
a)
made up of two histones
b)
Made up of two sister chromatids
c)
Made up of two centromeres
d)
Make up of two centrioles
43.
Which type of cell is undifferentiated?
a)
somatic cell
b)
stem cell
c)
skin cell
d)
gamete
44.
The process of asexual reproduction in prokaryotes is known as
a)
mitosis
b)
meiosis
c)
binary fission
d)
gametogenesis
45.
In single-celled organisms, mitosis is used for
a)
development
b)
reproduction
c)
growth
d)
repair
46.
A kidney cell is an example of which type of cell?
a)
sex cell
b)
gamete
c)
somatic cell
d)
haploid cell
47.
Apoptosis represents genetically programmed __________________.
a)
differentiation
b)
cell death
c)
tumor suppression
d)
mitosis
48.
If humans have 46 chromosomes, how many chromosomes would be present in sex cells after meiosis?
a)
16
b)
23
c)
46
d)
47
49.
Gene A crosses over from gene B 9% of the time, gene B crosses over from gene C 7% of the time, and gene A crosses over from gene C 2% of the time. Which of the gene maps correctly illustrates this?
a)
A
b)
B
c)
C
d)
D
50.
Unlike mitosis, meiosis results in the formation of
a)
2 diploid cells
b)
4 haploid cells
c)
1 daughter cell
d)
2 daughter cells
51.
By looking at each picture of various stages of meiosis, which one represents prophase 2?
a)
A
b)
B
c)
C
d)
D
52.
What is the ultimate goal of meiosis?
a)
Reduce the chromosome number by half
b)
Double the number of chromosomes
c)
Increase the genetic information for the next generation
d)
Inherit 2 of the same genes to decrease the chances for mutations.
53.
During which phase of meiosis can crossing over occur?
a)
prophase I
b)
metaphase I
c)
anaphase I
d)
telophase I
100 %
