Photosynthesis Test

Janelle needs to draw a diagram of the process of photosynthesis for homework. She begins by writing the equation for photosynthesis. Which of the following correctly shows the overall process of photosynthesis?

• Glucose + oxygen + light energy = carbon dioxide + water

• Glucose + water + light energy = carbon dioxide + oxygen

• Carbon dioxide + water + light energy = glucose + oxygen

• Carbon dioxide + oxygen + light energy = glucose + water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What are the products of photosynthesis?

• Carbon dioxide and water

• Oxygen and water

• Carbon dioxide and sugar

• Oxygen and sugar

Tags

NGSS.MS-LS1-6

Maggie knows that chlorophyll is important to the process of photosynthesis. Which of the following best explains why chlorophyll is so important to plants?

• It helps plants absorb water from the soil.

• It helps plants absorb energy from the sun.

• It allows plants to release oxygen into the atmosphere.

• It allows plants to release carbon dioxide through respiration.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Hannah is going on vacation. She forgets to ask her brother to water her plants while she is gone, and

when she returns, she finds that her plants have died. Which explains why water is important to plants?

• Plants must have water for photosynthesis to occur.

• Plants need the oxygen in water in order to produce carbon dioxide.

• Plants use water to help them break down proteins for life processes.

• Plants break the hydrogen bonds in water to use as a source of energy.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Felecia loves plants, but she works in an office that gets very little sunlight, so she in unable to have plants in her office. She knows that sunlight is important in photosynthesis. What role does light play in the process of photosynthesis?

• It keeps the plant warm during the process of photosynthesis.

• It allows the plant to absorb carbon dioxide during photosynthesis.

• It provides the energy the plant needs for photosynthesis to occur.

• It helps break down the food the plant needs for photosynthesis to take place.

Tags

NGSS.MS-LS1-6

Which of the following best explains what a plant does with the carbon dioxide it absorbs during photosynthesis?

• It combines the carbon dioxide with hydrogen to make water.

• It uses the carbon dioxide to create the sugars it will use for food.

• It uses the carbon dioxide as a main source of energy for photosynthesis.

• It breaks down the carbon dioxide to transport water across the cell membrane.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following captures energy from sunlight during photosynthesis?

• Solar cells

• Pigments

• Chlorophyll

• Oxygen

Tags

NGSS.MS-LS1-6

Carbon dioxide enters plants through what part?

• Pigments

• Chloroplasts

• Chlorophyll

• Stomata

Tags

NGSS.MS-LS1-6

Vanessa is learning about photosynthesis. Her teacher asks her to draw a diagram showing the process of photosynthesis. Vanessa’s drawing is NOT correct. What is wrong with Vanessa’s drawing?

• The diagram has switched the positions of carbon dioxide and water.

• The diagram should show oxygen being both absorbed and released.

• The diagram has switched the positions of oxygen and carbon dioxide

• The diagram should show carbon dioxide being both absorbed and released.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In what way does plant nutrition differ from human nutrition?

• Plants make their own nutrients; humans must consume theirs.

• Plant nutrition consists mainly of protein; human nutrition consists mainly of carbohydrates.

• Plants absorb sugar from their soil; humans get theirs from food.

• Plants cannot make their own food; humans can.

Tags

NGSS.MS-LS1-6