WorksheetsMolecular Biology Review
Total questions: 10
Worksheet time: 20mins
Name
Class
Date
1.
Which activities can most effectively increase energy levels, increase respiration, and burn calories?
a)
jogging
b)
napping
c)
weightlifting
2.
Which lifestyle choices are unhealthy?
a)
daily exercise
b)
maintaining a high body mass index
c)
a diet high in vegetables and low in proteins
3.
Which part of a plant captures the light energy used in photosynthesis?
a)
guard cells
b)
chlorophyll
c)
roots
4.
Why is respiration important for digestion?
a)
Respiration provides carbon dioxide for the digestion of food.
b)
Respiration provides hydrogen for the digestion of food.
c)
Respiration provides oxygen for the combustion of food.
5.
Which molecule provided by plants accounts for the energy in a herbivore’s diet?
a)
glucose
b)
protein
c)
salt
6.
Which best describes the nutrients that are sources of energy for the body?
a)
fats and proteins
b)
fats and carbohydrates
c)
water and carbohydrates
7.
Which best explains why some fats are recommended as part of a healthy diet?
a)
Fats provide the body with the chemicals necessary for controlling the pH of the blood.
b)
Fats act as a catalyst, reacting with the sugars in fruits and vegetables.
c)
Fats provide the body and its organs with insulation and protection.
8.
Which is the main source of energy used in all body processes?
a)
fats
b)
protein
c)
glucose
9.
What do cells use for energy storage and as a source of energy?
a)
carbohydrates
b)
cytoplasm
c)
proteins
10.
What advantage do sugars provide for an organism’s diet?
a)
produce some energy for cells
b)
provide code for DNA of offspring
c)
supply amino acids needed to build muscle tissue
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