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Living Environment Regents Review
Test Description: Review Test for summer school Topic 1-4
Instructions: Answer all questions to get your test result.
1) The current knowledge concerning cells is the result of the investigations and observations of many scientists. The work of these scientists forms a well-accepted body of knowledge about cells. This body of knowledge is an example of a
A
controlled experiment
B
research plan
C
hypothesis
D
theory
2) Which statement best expresses a basic scientific assumption?
A
For any conclusion to be valid, the design of the experiment requires that only two groups be compared.
B
Interpretation of experimental results has provided explanations for all natural phenomena.
C
If a conclusion is valid, similar investigations by other scientists should result in the same conclusion.
D
After a scientist formulates a conclusion based on an experiment, no further investigation is necessary.
3) In an appropriately designed experiment, a scientist is able to test the effect of
A
multiple variables
B
scientific observations
C
the hypothesis
D
a single variable
4) A fully functioning enzyme molecule is arranged in a complex three-dimensional shape. This shape determines the
A
pH of all body systems
B
temperature of the products of the reaction it regulates
C
rate at which the enzyme breaks down during a reaction it regulates
D
specific type of molecule it interacts with during a reaction
5) Which elements are present in all organic compounds?
A
nitrogen and oxygen
B
nitrogen and carbon
C
hydrogen and oxygen
D
hydrogen and carbon
6) An energy-rich organic compound needed by organisms is
A
salt
B
water
C
glucose
D
oxygen
7) Nutrition involves those activities by which organisms
A
exchange gases with their environment
B
absorb and circulate materials
C
obtain and process materials needed for other activities
D
remove cellular waste products
8) The delivery of oxygenated blood to all tissues around the body involves what two life functions?
A
Digestive and circulatory
B
Digestive and respiratory
C
Respiratory and circulatory
D
Excretory and circulatory
9) When the human body is responding to stress, the hormone adrenaline is released. A short time later, the body returns to normal. This is an example of how a human
A
reacts to an antibody
B
maintains dynamic equilibrium
C
maintains cellular organization
D
develops genetic variation in body cells
10) Excretion is best described as the removal of
A
undigested material from the digestive tract
B
metabolic wastes from a cell
C
water molecules from dipeptide hydrolysis
D
toxic wastes by the process of cyclosis
11) A dead or weakened pathogen used to establish immunity would most likely be found in
A
a pesticide
B
a toxin
C
a vaccine
D
an antibiotic
12) Which disorder could develop in the human body when the immune system attacks a usually harmless environmental substance?
A
an allergy
B
AIDS
C
an infection
D
cancer
13) Which sequence represents structures organized from most complex to least complex?
A
chloroplast ⇨ guard cell ⇨ leaf ⇨ oak tree
B
oak tree ⇨ guard cell ⇨ leaf ⇨ chloroplast
C
guard cell ⇨ chloroplast ⇨ leaf ⇨ oak tree
D
oak tree ⇨ leaf ⇨ guard cell ⇨ chloroplast
14) Secondary sex characteristics in males are regulated by
A
estrogen
B
testosterone
C
amylase
D
acetylcholine
15) Which part of the blood is correctly paired with its function?
A
platelets – produce antibodies
B
red blood cells – fight infection
C
white blood cells – carry oxygen
D
plasma – transports wastes and hormones
16) Which cell process occurs only in organisms that reproduce sexually?
A
replication
B
mutation
C
meiosis
D
mitosis
17) The greatest degree of genetic variation would be found in offspring that result from
A
binary fission
B
regeneration
C
fertilization
D
grafting
18) A sperm cell of an alligator has 16 chromosomes. What is the total number of chromosomes normally present in a stomach cell of this alligator?
A
16
B
48
C
8
D
32
19) The reproductive cycle in females is regulated primarily by
A
estrogen and progesterone
B
progesterone and testosterone
C
estrogen and testosterone
D
progesterone and insulin
20) Human reproduction usually involves
A
internal fertilization and internal development
B
external fertilization and external development
C
internal fertilization and external development
D
external fertilization and internal development
*select an answer for all questions
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