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Unit Test 4 Review Part IV
Test Description: Students review for their test on cell theory, ecosystems, microbiology, and biotechnology.
Instructions: Answer all questions to get your test result.
1) Malaria is a common disease in many countries. What causes malaria?
A
a bacterium
B
a parasite
C
a fungus
D
a virus
2) Which of the following best explains an increase in one's rate of respiration while running?
A
excess sweat results in the need of more water vapor.
B
blood pressure is increasing
C
blood pressure is decreasing
D
more oxygen is needed to utilize the body's stored energy.
3) How can the rate of an infectious disease be drastically reduced?
A
by performing dental hygiene three times daily
B
by medication daily
C
by wearing clean clothing daily
D
by preventing transmission between people
4) What is involved in creating geneticallly modified bacteria?
A
growing them on selected plants
B
allowing them to reproduce freely
C
changing their food source
D
using biotechnology techniques
5) Which of these best explains why driving after drinking alcohol is dangerous behavior?
A
drinking alcohol can speed up heart rate and breathing rate
B
drinking alcohol can affect thought processes and slow reaction time
C
drinking alcohol can lead to liver damage
D
drinking alcohol can cause nervousness and agitation
6) In a food pyramid, which best explains why the number of organisms decreases from one tropic level to the next?
A
consumers at the top level require more energy than the lower-level consumers
B
the consumers are feeding on larger organisms that have less energy
C
consumers at the lower level require more energy than the top-level consumers
D
the consumers are feeding on smaller organisms that have less energy
7) Why is protein an important part of a healthy diet?
A
it is needed to produce water
B
it is needed to store nutrients
C
it is needed to repair energy
D
it is needed to change glucose to energy
8) Which process uses a body cell to create a new organism?
A
genetic modification
B
crossbreeding
C
cloning
D
gene splicing
9) How much of the energy from one trophic level is transferred to the next?
A
about 1% of the energy is transferred
B
about 10% of the energy is transferred
C
all of the energy is transferred
D
none of the energy is transferred
10) Which food provides the most energy for the body in the shortest amount of time?
A
fruit
B
meat
C
milk
D
potato
*select an answer for all questions
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