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BIOLOGY CUMULATIVE EXAM STUDY AND REVISION QUESTIONS AND ANSWERS A+ GRADED.
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BIOLOGY CUMULATIVE EXAM STUDY AND REVISION QUESTIONS AND ANSWERS A+ GRADED.
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BIOLOGY CUMULATIVE EXAM STUDY AND REVISION QUESTIONS ANDANSWERS A+ GRADED.
1. While walking to the kitchen in the middle of the night, cerebellum
Jamal tripped over an object that he could not see in
the dark. Which part of the CNS sent a signal to help
prevent Jamal from falling?
cerebrum
hippocampus
cerebellum
brain stem
2. Which autonomic system conserves energy by re- parasympathetic
turning the body to a normal activity level through a nervous system
lowered heart rate and blood pressure?
peripheral nervous system
sympathetic nervous system
somatic nervous system
parasympathetic nervous system
3. What is the function of the hormone progesterone? preparation of the
preparation of the body for maintaining pregnancy body for maintain-
development of male secondary sex characteristics ing pregnancy
development of female secondary sex characteristics
preparation of the fallopian tube for fertilization
4. What is the relationship between coronary artery dis- Coronary artery
ease and a heart attack? disease can re-
Coronary artery disease is a symptom of heart at- duce blood flow
tacks. to the heart and
Heart attacks reduce blood flow to the heart and cause cause heart at-
coronary artery disease. tacks.
Coronary artery disease can reduce blood flow to the
heart and cause heart attacks.
Heart attacks occur when coronary artery disease is
treated.
5. How does epithelial tissue respond to a bruise or It replaces dam-
wound? aged cells.
It replaces damaged cells.
It forms a barrier over the bruise or wound.
, BIOLOGY CUMULATIVE EXAM STUDY AND REVISION QUESTIONS AND
ANSWERS A+ GRADED.
It releases a substance that heals the bruise or wound.
It stops blood flow in the area of the bruise or wound.
6. How does the structure of the small intestine help it to Villi in the small
perform its function? intestine have
Compartments in the small intestine hold bile from thin-walled capil-
the liver to make the absorption of nutrients more laries to make the
efficient. absorption of nu-
Involuntary muscles of the small intestine contract to trients more effi-
make the absorption of nutrients more efficient. cient.
Glands in the small intestine hold saliva to make the
absorption of nutrients more efficient.
Villi in the small intestine have thin-walled capillaries
to make the absorption of nutrients more efficient.
7. A dichotomous key uses observable char-
inferences. acteristics.
DNA sequences.
subjective descriptions.
observable characteristics.
8. Which description is correct for both oogenesis and The cells have 46
spermatogenesis? chromosomes un-
The cells have 46 chromosomes until meiosis II is til meiosis II is
completed. completed.
After meiosis I, the cells have 23 chromosomes.
Part of meiosis I is completed before birth.
The entire process takes about 70 days.
9. Before the beginning of the Industrial Revolution, evolution
most peppered moths found in and around Manches-
ter, England, exhibited light-colored wings speckled
with black. After the Industrial Revolution, peppered
moths with dark wings became predominant in the
area.Which term best describes the change from more
light-colored moths to more dark-colored moths?
competition
evolution
acquired
overpopulation
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