Name______________________________________________
Section____________________________________________
1. Which part of the respiratory system filters and warm the air upon entering it?
a) air sac
c. nasal cavity
b) bronchi
d. diaphragm
2. What is the primary organ of the circulatory system?
a) Heart
c. veins
b) Arteries
d. blood
3. During inhalation, .
a)
b)
c)
d)
the
diaphragm moves
down and contracts the chest cavity.
the
diaphragm moves
down and expands the chest cavity.
the diaphragm moves up and contracts the chest cavity.
the diaphragm moves up and expands the chest cavity.
4. What is the role of ALVEOLI in the transport of GASES in the body?
a) They serve as the linkage from the respiratory system and the circulatory
system.
b) They serve as the carrier of the deoxygenated blood.
c) They serve as the carrier of the oxygenated blood.
d) They serve as the linkage from the respiratory system and the digestive
system.
5. The ___________prevents the back flow of blood.
a) atrium
b) valve
c. ventricle
d. septum
6. What system is responsible for the exchange of oxygen and carbon dioxide
between the air and the cells?
a) circulatory
b) digestive
c. excretory
d. respiratory
7. The beating sound your heart makes comes from:
a) Blood going in the wrong direction
b) Valves closing
c) The heart skipping beats
d) Your ears playing tricks on you
8. You can keep your heart strong by:
a)
b)
c)
d)
Eating heart-shaped candy
Doing activities, like playing outside, riding your bike, and swimming
Smoking
Sleeping 18 hours a day
9. Which two respiratory system problems are treated with medicine that dilates the
airways?
a) Sinusitis and bronchitis
b) Emphysema and tuberculosis
c) Asthma and bronchitis
d) Emphysema and pneumonia
10. Which of the following statements is true?
a) The gene is the basic unit of heredity and is found in the chromosome.
b) The chromosome
is
the basic unit of heredity and is found in the
gene
c) The gene determines the sex of humans and the chromosomes carry the
traits.
d) The gene carries the traits inside the 20 pairs of chromosomes in humans.
11. Which of the following traits is not controlled by multiple genes?
a) color blindness c. freckles
b) eye color
d. hair texture
12. It happens when there is removing or clearing of forest to include cutting of all
trees, mostly for agricultural or urban use.
a)
b)
c)
d)
Eutrophication
Acid rain precipitation
Water pollution
Deforestation
13. A conservation biologist would work with government officials to establish a plan
for the protection of endangered species analyze organism characteristics that
a) help them survive in particular locations
b) investigate the impact of industrial
c) pollutants on an ecosystem
d) all of the above
14. Which is associated with air pollution?
a) global warming
b) destruction of the ozone shield
c) acid deposition
d) all of the above
15. Chlorophyll is mostly located above the leaf of the plant to
a)
b)
c)
d)
.
collect carbon dioxide.
collect light energy.
release oxygen.
release glucose.
16. All of the following are associated with respiratory problem EXCEPT;
a) Unbalance diet
b) Enough sleep
c) Pollutants
d) smoking
17. A type of circulation which is described by the movement of the blood through
the tissues of the heart
a) Pulmonary
b) Coronary
c) Systematic
d) Respiratory
18. What terms refers to organisms of the same species inhabiting a particular
region?
a) Community
b) Ecosystem
c) Environment
d) Population
19. a species that is on the brink of becoming extinct in the very future
a) Exotic
b) Extinct
c) Endangered
d) Threatened
20. How will the population of the fish be affected if they produce more slowly than
they are caught?
a) It will decrease
b) It will not change
c) It will increase dramatically
d) The fish will swim to other bodies of water
21. A population of squirrel left an ecosystem because of decrease of temperature
and increased acid rain. Which of the following best explains why the squirrels left?
a) An increase in predator
b) An increase in parasite
c) A change in biotic factors
d) A change in abiotic factors
22. the number and variety of species and ecosystems on the earth and the ecological
processes that they are part of refers to:
a) Genetics
b) Variability
c) Biodiversity
d) Ecosystem specialization
23. What blood type or types can be found in an offspring if the mother has blood type
O and the father has AB blood?
a) B, O
b) AB, O
c) A, B
d) A, B, O
24. In incomplete dominance, heterozygotes;
a) Display the dominant trait
b) Display the recessive trait
c) Display both characteristics
d) Display blended characteristics
25. Hemophilia and color blindness are example of;
a) Sex-linked traits
b) Sex-limited traits
c) Sex influence traits
d) Codominance
26. In human, females have;
a) An X and Y chromosomes in their somatic cells
b) Two X chromosomes in their somatic cells
c) A pair of Y chromosomes in their egg cells
d) 2 pairs of chromosomes in their cheek cells
27. Suppose the mother is pregnant, what is the chance or percentage that her baby
is a girl?
a) 25%
b) 50%
c) 75%
d) 100%
28. A baby boy gets his Y chromosomes ______
a) From his mother
b) From his father
c) Both from his parents
d) Either from his mother or father
29. What is the name of the inheritance in which both alleles are expressed equally?
a) Codominance
b) Incomplete dominance
c) Multiple alleles
d) Sex-linked traits
30. Y linked traits are inherited:
a) Only by females
b) Only by males
c) By both males and females
d) None of these