BIO 190 A Chapter 7 Pre Lecture Exam With
Complete Answers
Photosynthesis is divided into two stages: the ____ reactions and the ____ cycle. - ANSWER
light, Calvin
What molecule is reduced during the process of photosynthesis? - ANSWER CO2
The production of glucose from carbon dioxide and water is an ___ reaction that releases a
large amount of free energy. - ANSWER exergonic
Organisms that are able to make organic molecules from inorganic sources, such as carbon
dioxide and water, are called ___. - ANSWER Autotrophs
Living organisms that are not plants depend on photosynthesis because photosynthesis
produces: (1) organic molecules such as ____ that can be used for nourishment; and (2) the ___
gas that makes up a large portion of the Earth's atmosphere. - ANSWER glucose (sugars or
carbohydrates), oxygen
What are the two stages of photosynthesis? - ANSWER Light reactions, Calvin cycle
Although any green part of a plant can perform photosynthesis, the majority of
photosynthesis occurs in the ____ of the plant. - ANSWER leaves
, During photosynthesis in green plants, what molecule is oxidized? - ANSWER water
In photosynthesis, glucose is synthesized from CO2. This reaction is? - ANSWER endergonic
Autotrophs sustain themselves by producing organic molecules from? - ANSWER inorganic
molecules
The stroma of the chloroplast is the site where the ______ takes place. - ANSWER Calvin cycle
How does photosynthesis benefit organisms that are not plants? - ANSWER It produces
organic molecules that other organisms use as food.
It produces oxygen that can be used for aerobic respiration.
Where do the light reactions occur? - ANSWER In the thylakoid membrane
In a green plant, the majority of photosynthesis takes place in the? - ANSWER leaves
Why is light considered a form of electromagnetic radiation? - ANSWER Because it consists of
both electric and magnetic energy
Every photon contains a specific amount of ____. - ANSWER Energy or light energy
Complete Answers
Photosynthesis is divided into two stages: the ____ reactions and the ____ cycle. - ANSWER
light, Calvin
What molecule is reduced during the process of photosynthesis? - ANSWER CO2
The production of glucose from carbon dioxide and water is an ___ reaction that releases a
large amount of free energy. - ANSWER exergonic
Organisms that are able to make organic molecules from inorganic sources, such as carbon
dioxide and water, are called ___. - ANSWER Autotrophs
Living organisms that are not plants depend on photosynthesis because photosynthesis
produces: (1) organic molecules such as ____ that can be used for nourishment; and (2) the ___
gas that makes up a large portion of the Earth's atmosphere. - ANSWER glucose (sugars or
carbohydrates), oxygen
What are the two stages of photosynthesis? - ANSWER Light reactions, Calvin cycle
Although any green part of a plant can perform photosynthesis, the majority of
photosynthesis occurs in the ____ of the plant. - ANSWER leaves
, During photosynthesis in green plants, what molecule is oxidized? - ANSWER water
In photosynthesis, glucose is synthesized from CO2. This reaction is? - ANSWER endergonic
Autotrophs sustain themselves by producing organic molecules from? - ANSWER inorganic
molecules
The stroma of the chloroplast is the site where the ______ takes place. - ANSWER Calvin cycle
How does photosynthesis benefit organisms that are not plants? - ANSWER It produces
organic molecules that other organisms use as food.
It produces oxygen that can be used for aerobic respiration.
Where do the light reactions occur? - ANSWER In the thylakoid membrane
In a green plant, the majority of photosynthesis takes place in the? - ANSWER leaves
Why is light considered a form of electromagnetic radiation? - ANSWER Because it consists of
both electric and magnetic energy
Every photon contains a specific amount of ____. - ANSWER Energy or light energy
