WorksheetsBiology Ch. 1-5 review
Total questions: 43
Worksheet time: 1hrs 27mins
Name
Class
Date
1.
Which of the following statements about a scientific theory is NOT true?
a)
It has the same meaning in science as it does in daily life
b)
It enables scientists to make accurate predictions about new situation
c)
scientific theories tie many hypotheses together
d)
it is based on a large body of evidence
2.
A bird-watcher sees an unusual bird at a feeder. He takes careful notes on the bird's color, shape, and other physical features and then goes to a reference book to see if he can identify the species. What aspect of scientific thinking is most apparnet in this situation?
a)
observation
b)
inference
c)
hypothesis formation
d)
controlled experiment
3.
Unlike sexual reproduction, asexual reproduction invovles
a)
two cells
b)
two parents
c)
one parent
d)
one nonliving thing
4.
A hypothesis is
a)
an educated guess
b)
a potential solution to a scientific problem
c)
an estimation
d)
an answer to a problem
5.
Which of the following is NOT a characteristic of living things?
a)
based on a universal genetic code
b)
response to the environment
c)
made of cells
d)
move
6.
The elements or compounds that enter into a chemical reaction are called
a)
products
b)
catalysts
c)
active sites
d)
reactants
7.
Chemical bonds that involve the total transfer of electrons from one atom or group of atoms to another are called
a)
covalent bonds.
b)
ionic bonds.
c)
hydrogen bonds.
d)
van der Waals bonds.
8.
Which of the following is NOT an organic molecule found in living organisms?
a)
protein
b)
nucleic acid
c)
sodium chloride
d)
lipid
9.
Which combination of particle and charge is correct?
a)
proton; positively charged
b)
electron positively charged
c)
neutron; negatively charged
d)
electron; no charge
10.
Which of the following molecules is made up of glycerol and fatty acid?
a)
sugars
b)
starches
c)
lipids
d)
nucleic acids
11.
Nucleotides consist of a phosphate group, a nitrogenous base, and a
a)
fatty acid
b)
lipid
c)
5-C sugar
d)
6-C sugar
12.
An enzyme speeds up a reaction by
a)
lowering the activation energy
b)
raising the activation energy
c)
releasing energy
d)
absorbing energy
13.
In a chemical reaction, a reactant binds to an enzyme at a region known as the
a)
catalyst
b)
product
c)
substrate
d)
active site
14.
Proteins are polymers formed from
a)
lipids
b)
carbohydrates
c)
amino acids
d)
nucleic acids
15.
The attraction between molecules of different substances is called
a)
adhesion
b)
cohesion
c)
polar
d)
hydrogen bonds
16.
Carbon has 6 protons, 6 neutrons, and 6 electrons - it's atomic mass is
a)
6
b)
12
c)
3
d)
18
17.
A charged atom is known as a(n)
a)
isotope
b)
polar molecule
c)
ion
d)
solution
18.
This group of macromolecules are used by living things as the main source of energy (some also use them for structural purposes).
a)
proteins
b)
carbohydrates
c)
lipids
d)
nucleic acids
19.
The graph is representing what type of reaction?
a)
energy-absorbing
b)
energy-releasing
c)
enzyme catalyzed
d)
enzyme-substrate
20.
A group of individuals that belong to a single species and live together in a defined area are classified as a(n)
a)
population
b)
ecosystem
c)
community
d)
biome
21.
Which is a source of energy for Earth's living things?
a)
wind energy only
b)
sunlight only
c)
wind energy and sunlight
d)
sunlight and chemical
22.
Which of the following is a primary producer?
a)
producer, like algae
b)
carnivore, like a lion
c)
omnivore, like a human
d)
detritivore, like earthworms
23.
Human activities, such as the burning of fossil fuels, move carbon through the carbon cycle. Which other processes also participate in the Carbon cycle?
a)
biological processes only
b)
geochemical processes only
c)
chemical processes only
d)
a combination of biological, geological, and chemical processes
24.
What are the physical, or nonliving components of an ecosystem called?
a)
abiotic factors
b)
temperature conditions
c)
biotic factors
d)
antibiotic factors
25.
To ensure that a scientific work is free of bias and meets standards set by the scientific community, a research group's work is peer reviewed by
a)
anonymous experts in the field
b)
general public
c)
researchers friends
d)
lawmakers
26.
Which of the following is NOT true about matter in the biosphere?
a)
matter is recycled
b)
biogeochemcical cycles transform and reuse moleucels
c)
the total amount of matter decreases over time
d)
water and nutrients pass between organisms and the environment
27.
If a first-level consumer has 370J of energy, how much will the second-level consumer receive when it eats the first-level consumer?
a)
370J
b)
37J
c)
3.7J
d)
3700J
28.
Which of the following is NOT a density-dependent limiting factor?
a)
stress from overcrowd
b)
tsunami
c)
parasitism/disease
d)
competition
29.
Which of the following is NOT a freshwater ecosystem?
a)
estuary
b)
river
c)
lake
d)
pond
30.
Several species of birds can live within the same tree because...
a)
they have different habitats within the tree
b)
there are vastly different temperatures within the tree
c)
they occupy different niches within the tree
d)
they don't eat from the tree
31.
Primary succession would most likely occur after
a)
wildfires
b)
abandoning farmland
c)
a hurricane
d)
a volcanic eruption
32.
The tendency for warm air to rise and cool air to sink results in
a)
seasons
b)
global wind patterns
c)
regional precipitation
d)
ocean upwelling
33.
A symbiotic relationship in which both species benefit is
a)
commensalism
b)
parasitism
c)
predation
d)
mutualism
34.
Which of the following statements is NOT true about the open ocean?
a)
The open ocean has low levels of nutrients.
b)
The open ocean begins at the low-tide mark and extends to the end of the continental shelf.
c)
Organisms in the deep ocean are exposed to frigid temperatures and total darkness.
d)
Most of the photosynthetic activity on Earth occurs in the open ocean within the photic zone.
35.
Estuaries are commercially important because
a)
fish species that people buy and sell live (spawn and have a nursery) in estuaries.
b)
fossil fuels are found in estuaries.
c)
tall buildings can be built in estuaries.
d)
lumber trees grow in estuaries.
36.
Which of the following occurs during the ecological succession of an ecosystem?
a)
Parts of communities split off to form new communities.
b)
Animals move out of the ecosystem until succession is complete.
c)
An ecosystem reaches a final, unchanging stage.
d)
Living organisms modify their environment a little at a time.
37.
A species ____________________ is its ability to survive and reproduce under a range of environmental conditions.
a)
habitat
b)
tolerance
c)
evolution
d)
fitness
38.
Japan has completed the demographic transition, therefore what can we assume to be true about conditions in Japan? Japan has a...
a)
high birth rate and low death rate
b)
low birth rate and low death rate
c)
low birth rate and high death rate
d)
high birth rate and high death rate
39.
If the number of males and females in each group is relatively constant, what is true of the population's future growth?
a)
They will continue to grow exponentially.
b)
They will experience slow but steady growth.
c)
Their population will decline.
d)
They will experience rapid growth followed by rapid decline.
40.
How are phase I and phase II of logistic growth similar?
a)
The emigration rate is higher than the immigration rate during both phases.
b)
A population is increasing, moving toward its carrying capacity during both phases.
c)
A population is at its carrying capacity during both phases
d)
The death rate is higher than the birth rate during both phases
41.
A small farming community in Texas covers 14 square kilometers. There are 420 individuals who live within the town limits. What is the population density?
a)
53 individuals per square kilometer
b)
30 individuals per square kilometer
c)
0.03 individuals per square kilometer
d)
420 individuals per square kilometer
42.
Haynesville has 250,000 inhabitants. Last year 12,000 children were born and 10,000 individuals died. What is the population density?
a)
50 inhabitants/sq mile
b)
2,000 inhabitants/sq mile
c)
0.4 inhabitants/sq mile
d)
52.4 inhabitants/sq mile
43.
Haynesville has 250,000 inhabitants. Last year 12,000 children were born and 10,000 individuals died. What is the birth rate and death rate? (equation: # births or deaths divided by total population)
a)
br = 0.048 dr = 0.04
b)
br = 0.045 dr = 0.38
c)
br = 0.008 dr = -0.008
d)
br = 20.83 dr = 25
100 %
