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Unit 6 Review
Test Description: 8.L.5.1, 8.L.5.2, and 8.L.2.1
Instructions: Answer all questions to get your test result.
1) Which food provides the most energy for the body in the shortest amount of time?
A
milk
B
potato
C
meat
D
fruit
2) Why is protein an important part of a healthy diet?
A
It is needed to repair tissue.
B
It is needed to store nutrients.
C
It is needed to produce water
D
It is needed to change glucose to energy.
3) How would smoking tobacco most likely have a negative impact on the ability of an individual to succeed at physical activities?
A
It decreases the ability to make decision rapidly.
B
It decreases stamina and cardiovascular efficiency.
C
It decreases the speed and power of muscle contractions.
D
It interferes with balance and coordination.
4) Why is a healthy diet important?
A
It supplies the body’s needs for growth and energy.
B
It makes oxygen for all the cells in the body.
C
It prevents damage to internal organs.
D
It maintains a constant body temperature.
5) Which of these careers would a student studying biotechnology most likely pursue?
A
geology
B
astronomy
C
agricultural research
D
electrical engineering
6) Which is a way the agricultural biotechnology industry could have a positive impact on the environment?
A
by increasing the use of wind farms that produce electricity
B
by making robots to replace large farm machines
C
by producing crops that are virus resistant
D
by reducing the need for countries to import food
7) What is involved in creating genetically modified bacteria?
A
changing their food source
B
using biotechnology techniques
C
growing them on selected plants
D
allowing them to reproduce freely
8) What process uses oxygen and food molecules to produce energy for animal cells?
A
digestion
B
photosynthesis
C
glycolysis
D
cellular respiration
9) Which best describes the process by which the energy from the sun is used to create glucose molecules?
A
cellular respiration
B
fermentation
C
chemosynthesis
D
photosynthesis
10) Which is a concern of scientists when genetically modifying plants?
A
There will be a decrease in biodiversity.
B
Plants will pass on diseases to animals.
C
There will be a decrease in revenue for pesticide manufacturers.
D
Plants will have a longer growing season.
*select an answer for all questions
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