Plants and Algae: A Quiz

Which of the following is true about the structure of plants?

• Plants are microscopic and unicellular.

• Plants are large and multicellular.

• Plants do not have cells.

• Plants are only found in water.

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NGSS.MS-LS1-1

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What do both plants and algae contain that helps them make food?

• Mitochondria

• Chloroplasts

• Nucleus

• Vacuole

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Which process do both plants and algae use to produce their own food?

• Respiration

• Photosynthesis

• Fermentation

• Digestion

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What gas do plants and algae take from the atmosphere during photosynthesis?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

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Which of the following is a product released into the atmosphere by both plants and algae?

• Carbon dioxide

• Oxygen

• Nitrogen

• Methane

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NGSS.MS-LS1-6

How are algae different from plants in terms of their size and structure?

• Algae are large and multicellular, plants are microscopic and unicellular.

• Algae are microscopic and unicellular, plants are large and multicellular.

• Both are large and multicellular.

• Both are microscopic and unicellular.

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If a scientist is studying organisms that add oxygen to the atmosphere, which two groups should they focus on?

• Animals and fungi

• Plants and algae

• Bacteria and viruses

• Insects and mammals

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Why are chloroplasts important for both plants and algae?

• They help the organism move.

• They allow the organism to make food using sunlight.

• They store water for the organism.

• They protect the organism from disease.

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Which statement best describes the ecological role of algae in the atmosphere?

• Algae remove oxygen from the atmosphere.

• Algae add oxygen to the atmosphere through photosynthesis.

• Algae do not affect the atmosphere.

• Algae only live underground.

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NGSS.MS-LS1-6

A student observes a pond and notices green scum on the surface. What is most likely true about this green scum?

• It is made of multicellular plants.

• It is made of microscopic, unicellular algae.

• It is made of fungi.

• It is made of insects.

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NGSS.MS-LS1-1