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Bio A Standard BI.1.i and f Photosynthesis Master » Form B
Directions: Please choose the best answer choice for each of the following questions.
1. The major atmospheric by-product of photosynthesis
is
A. nitrogen.
B. carbon dioxide.
C. water.
D. oxygen.
2. The major light-absorbing pigment in plant
photosynthesis is chlorophyll.
A. True
B. False
3. One difference between plants and animals is that
plants are
A. prokaryotic and animals are eukaryotic.
B. eukaryotic and animals are prokaryotic.
C. autotrophs and animals are heterotrophs.
D. heterotrophs and animals are autotrophs.
4. What is the source of energy for photosynthesis?
A. the Sun
B. Earth’s internal heat
C. radioactive decay
D. nuclear fission
5. The chemical equation for photosynthesis is
CO2 + H2O + energy ->mC6H12O6 + O2
. What does the energy represent in the equation?
A. Earth’s internal heat
B. solar radiation
C. radioactive decay
D. nuclear fission
6. What is the function of the chloroplast organelle in
plant cells?
A. regulate flow of oxygen out of the cell
B. create ATP energy from food energy
C. capture usable energy from sunlight
D. collect carbon dioxide from the air
7. During photosynthesis, the oxygen (O2) that is
released comes from which compound?
A. carbon dioxide(CO2)
B. water (H2O)
C. glucose (C6H12O6)x
D. chlorophyl
8. Based on the cycle of photosynthesis and cellular
respiration, one can say that the ultimate original
source of energy for all living things on Earth is
A. carbohydrates.
B. water.
C. the sun.
D. carbon dioxide.
9. photosynthesis : oxygen ::
A. oxygen : carbon dioxide
B. cellular respiration : carbon dioxide
C. cellular respiration : oxygen
D. cellular respiration : enzymes
10. The process in which plants capture energy and make
organic molecules is known as
A. homeostasis.
B. evolution.
C. photosynthesis.
D. development.
11. When electrons of a chlorophyll molecule are raised to
a higher energy level,
A. they become a photon of light.
B. they form a glucose bond.
C. they enter an electron transport chain.
D. carotenoids are converted to chlorophyll.
12. Because of photosynthesis,
A. the atmosphere is rich in oxygen gas.
B. animals can get energy directly from the sun.
C. plants produce carbon dioxide.
D. All of the above
13. Animals are the primary producers in most terrestrial
food webs.
A. True
B. False
14. When light hits a plant, all of the wavelengths of light
are absorbed by chlorophyll.
A. True
B. False
15. During photosynthesis, plants make their own energy
through a chemical reaction that turns _____, water
and the sun’s energy into _____ and ______.
A. carbon dioxide, sugars, oxygen
B. oxygen, ATP and carbon dioxide
C. sugars, ATP and carbon dioxide
D. carbon dioxide ATP and oxygen
16. The organelle that captures energy from the Sun is a
A. mitochondrion.
B. nucleus.
C. chloroplast.
D. ribosome.
17. Chlorophyll is green because
A. it absorbs green wavelengths of light.
B. it absorbs blue and yellow wavelengths, which
make green.
C. it reflects green wavelengths of light.
D. of an optical illusion caused by transmitted light.
18. Light energy is converted to chemical energy through
the process of
A. cellular respiration.
B. fermentation.
C. photosynthesis.
D. glycolysis.
19. What is the term used to describe the lightindependent
reactions?
A. Krebs cycle
B. Calvin cycle
C. electron transport chain
D. chemiosmosis cycle
20. Photosynthesis is a process that takes place in
autotrophs.
A. True
B. False
Are the record-low temperatures in the United States and Canada – not to mention the extreme flooding in the UK and a record heat wave in Australia – the result of climate change?