Which of the following is an end product of photosynthesis
Which of the following is an end product of photosynthesis?
sunlight
helium
glucose
water
Carbon dioxide (CO2)
Question
Which of the following is a true statement regarding a green leaf?
The leaf is green because the pigments are excited.
The leaf is green because the pigments absorb wavelengths of light in the green spectrum.
The leaf is green because the green wavelengths have been used and discarded by the pigmented object.
The leaf is green because they have interacted with sunlight.
The leaf is green because the pigments reflect wavelengths of light in the green spectrum.
Question
If a plant appears blue, what wavelength of light is being reflected?
Blue
Orange
Yellow
Green
Red
Question
What name is given to a fixed quantity of light energy?
Photon
Spectrum
Phaser
Quantum
Wavelength
Question
What is one reason why plants have accessory pigment molecules, like chlorophyll b and carotenoids?
To absorb energy in the electromagnetic spectrum that chlorophyll a cannot
chlorophyll a gets burnt out by intense summer sunlight
plants cannot make enough chlorophyll a
To reflect more energy
To give them different colors
Question
What compound is found at the reaction center of a photosystem?
Carotenoids
Chlorophyll c
Chlorophyll a
Chlorophyll b
Phycobilins
Question
Which of the following is true about chlorophyll b?
It transfers light energy to chlorophyll a.
absorbs green light.
It reverses the affects of chlorophyll a.
participates directly in the light reactions.
All of the above.
Question
When a molecule absorbs a photon, one of its electrons is raised to which state?
energetic
higher
excited
ground
quantum
Question
Which of the following is found in both cellular respiration and in the light reactions of photosynthesis?
electron transport chain
Calvin cycle
fermentation
glycolysis
citric acid cycle
Question
What are the end products of cellular respiration?
water H2O only
carbon dioxide (CO2) only
water (H2O) and glucose (C6H12O6)
glucose (C6H12O6) only
water (H2O) and carbon dioxide (CO2)
Question
Which of these equations describes aerobic cellular respiration?
Glucose + lactose galactose + water
Energy + carbon dioxide + water glucose + oxygen + water
Glucose lactic acid + energy
Glucose + oxygen carbon dioxide + water + energy
Glucose ethyl alcohol + carbon dioxide + energy
Question
Which of the following is required in an aerobic process?
ATP
carbohydrates
oxygen
light
carbon dioxide
Question
Which of the following energy pathways is found in every living organism?
glycolysis
citric acid cycle
lactic acid fermentation
alcoholic fermentation
oxidative phosphorylation
Question
Which of the following is the main metabolic pathway in animals?
anaerobic respiration
lactic acid fermentation
alcoholic fermentation
aerobic respiration
photosynthesis
Question
Which of the following is the correct sequence of stages in cellular respiration?
Citric acid cycle, electron transport, glycolysis
Citric acid cycle, glycolysis, electron transport
Glycolysis, citric acid cycle, electron transport
Electron transport, citric acid cycle, glycolysis
Electron transport, glycolysis, citric acid cycle
Question
One molecule of glucose is broken into two molecules of which of the following?
pyruvic acid
lactic acid
O2
ethyl alcohol
NAD+
Question
ATP is produced during
glycolysis.
the electron transport chain.
citric acid cycle
A and B above.
A, B, and C above.
Question
Which stage of cellular respiration yields the greatest number of ATP molecules?
fermentation
electron transport
the number is equal for all three stages
glycolysis
citric acid cycle
Question
What occurs in redox reactions?
cells reproduce
enzymes catalyze reactions
materials move through the plasma membrane
electrons are lost from one substance and added to another substance
isotopes form
Question
Where in the cell do the citric acid cycle and electron transport take place?
ribosomes
chloroplasts
cytoplasm
mitochondria
nucleus
Question
Aerobic cellular respiration generates how many molecules of ______ ATP from one molecule of glucose?
12
38
6
2
1
Question
The term anaerobic means ______.
without CO2
without bacteria
without ATP
without O2
with O2
Question
How many molecules of ATP are produced from 1 molecule of glucose during anaerobic respiration?
4
38
10
2
36
Question
Which of the following processes occurs under anaerobic conditions?
The electron transport chain
the citric acid cycle
the Krebs cycle
fermentation
Conversion of pyruvic acid to acetyl CoA
Question
What product does yeast produce under anaerobic conditions?
Ethyl alcohol
Creatine
Lactic acid
Glucosamine
Pyruvic acid
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