What is the process in which carbon dioxide and water are transformed, in the presence of light, into carbon-containing, energy-rich, organic compounds?
a. photosynthesis
b. respiration
c. metabolism
d. phosphorylation |
| Answer: a |
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________________________ are organelles that contain green pigments known as chlorophyll.
a. ribosomes
b. golgi bodies
c. mitochondria
d. chloroplasts |
| Answer: d |
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What are the two stages of photosynthesis?
a. mitosis and meiosis
b. ATP and NADPH
c. light-dependent reaction and light-independent reaction
d. chlorophyll a and chlorophyll b |
| Answer: c |
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Energy is passed rapidly from molecule to molecule via ____________________.
a. thylakoids
b. the electron transport chain
c. bundle sheath cells
d. cellulose |
| Answer: b |
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Which statement regarding factors that affect photosynthesis is true?
a. Stomata may open to conserve water, increasing the absorption of O2 and speeding photosynthesis.
b. Oxygen must be in ample supply.
c. Periods of darkness are necessary for photosynthesis to occur.
d. Water must be available for the plant to use. |
| Answer: d |
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How are plants classified?
a)consumers
b)heterotrophs
c)autotrophs
d)none of the above
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| Answer: c |
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Which of the following would be true of a dairy cow?
a)heterotroph
b)consumer
c)herbivore
d)all of the above
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| Answer: d |
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What is released during cellular respiration?
a)light
b)energy
c)air
d)water
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| Answer: b |
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Which organ on a plant is responsible for the collection of solar energy?
a)leaves
b)petiole
c)bud
d)root
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| Answer: a |
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What plant organ can be described as wavy, toothed, lobed, entire or smooth?
a)vein
b)base
c)apex
d)margin
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| Answer: d |
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What is the purpose of the cuticle on a leaf?
a)contains specialized cells
b)prevent excessive water loss
c)absorbs solar energy
d)supports the leaf blade
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| Answer: b |
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Where does water and minerals flow to the leaf blade and food flows out of the leaf?
a)margin
b)stipule
c)blade
d)petiole
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| Answer: d |
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How is a compound leaf classified?
a)made of a petiole and two or more leaf blades
b)consists of a single leaf blade
c)total description of a leaf margin
d)direction in which the leaf veins run
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| Answer: a |
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Which of the following is the same as two or more leaf blades?
a)broadleaf plant
b)single leaf
c)leaflets
d)leaf stalk
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| Answer: c |
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Leaf pores are called _____.
a)stoma
b)spongy
c)phloem
d)xylem
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| Answer: a |
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What are stacked thylakoids referred to as?
a)stroma
b)stoma
c)inner membrane
d)grana
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| Answer: d |
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If a plant contains carotenoids then what color may be expressed?
a)red
b)purple
c)orange
d)glue
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| Answer: c |
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