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