Biology Chapter 8: Photosynthesis

The main source of energy for all life comes from ____.

• the Earth

• the moon

• the sun

• the food we eat/make

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Most plants appear green because chlorophyll

• absorbs green light.

• absorbs violet light.

• reflects green light.

• does not absorb violet light.

The reactants of photosynthesis are

• sugar and water.

• sugar and oxygen.

• carbon dioxide and water.

• carbon dioxide and oxygen.

Which statement about photosynthesis is correct?

• Plants get the energy they need for photosynthesis from water.

• Plants get the energy they need for photosynthesis from soil.

• Plants get the energy they need for photosynthesis from sunlight.

• Plants do not require energy to perform photosynthesis.

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What are the products of photosynthesis?

• Carbon dioxide and water

• Carbon dioxide and oxygen

• Glucose and oxygen

• Glucose and water

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What pigment absorbs sunlight for photosynthesis?

• chloroplast

• thylakoid

• grana

• chlorophyll

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Which of the following is the correct equation for PHOTOSYNTHESIS?

• 6CO₂ + 6H₂O --> 6O₂ + C₆H₁₂O₆

• 6CO₂ + C₆H₁₂O₆ + 6H₂O --> O₂

• 6O₂ + 6H₂O --> 6CO₂ + C₆H₁₂O₆

• C₆H₁₂O₆+ 6O₂ ---> 6H₂O + 6CO₂

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Which gas is removed from the atmosphere during photosynthesis?

• hydrogen

• oxygen

• nitrogen

• carbon dioxide

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What is the function of NADPH and ATP?

• They absorb light

• They power the light-dependent reactions

• They are light-reflecting pigments

• They are short term energy carriers

Where do the light-dependent reactions occur?

• thylakoid membrane

• stroma

• mesophyll

• mitochondria

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