PE Investigation 5 Question Preview (ID: 46502)
Photosynthesis
Cellular Respiration.
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The process where plants capture energy and make sugar in the form of glucose is known as
a) development.
b) homeostasis.
c) photosynthesis.
d) aerobic cellular respiration.
The sun is considered the ultimate source of energy for life on Earth because
a) all organisms carry out cellular respiration.
b) the sun heats the Earth's atmosphere.
c) all organisms carry out photosynthesis.
d) either photosynthetic organisms or organisms that have eaten them provide energy for all other organisms on Earth.
The major atmospheric (gas) product of photosynthesis is
a) water.
b) nitrogen.
c) carbon dioxide.
d) oxygen.
A substance, produced during photosynthesis, that is used for completion of cellular respiration is
a) oxygen.
b) proteins.
c) energy.
d) water.
Cellular respiration is called an aerobic process because it requires
a) light.
b) exercise.
c) oxygen.
d) glucose.
Which of the following statements accurately describes the relationship between photosynthesis and cellular respiration?
a) Photosynthesis occurs only in autotrophs; cellular respiration occurs only in heterotrophs.
b) Photosynthesis uses solar energy to create energy-rich organics; respiration breaks down energy-rich organics
c) Photosynthesis involves the oxidation of glucose; respiration involves the reduction of carbon dioxide.
d) Photosynthesis uses solar energy to create energy; cellular respiration breaks down molecules and releases energy.
Why do our cells perform respiration?
a) To make glucose
b) To make carbon dioxide
c) To make oxygen
d) To make energy
What two gases do cellular respiration and photosynthesis keep constant in our atmosphere?
a) water vapor and carbon dioxide
b) carbon dioxide and oxygen
c) oxygen and water vapor
d) air and oxygen
What is a calorie?
a) 1/10 of a pound
b) the amount of heat needed to raise the temperature of 1 gram of water 1 degree celsius
c) the amount of heat needed to raise 1 pound of an organism 1 degree Celsius
d) None of these.
How many calories were contained in a piece of food with a mass of 100 g, a starting temp of 20 degrees C and an ending temp of 24 degrees C?
a) 400 cal
b) 500 cal
c) 770 cal
d) none of these
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