Unit 2 Plants: Essential for Ecosystems

According to the passage 'Plants: Essential for Ecosystems,' what are the two main types of plants mentioned?

• Vascular and non-vascular plants

• Flowering and non-flowering plants

• Trees and shrubs

• Algae and mosses

According to the passage 'Plants: Essential for Ecosystems,' what is the main function of chlorophyll in plants?

• To absorb water from the soil

• To use the sun’s light energy to make food

• To protect the plant from insects

• To store food for the plant

Fill in the blank: Photosynthesis is the process by which plants use light energy to transform water and carbon dioxide into ________ sugar.

• glucose

• fructose

• sucrose

• lactose

Based on the diagram, label the part of the plant cell that contains chlorophyll.

• Chloroplasts

• Nucleus

• Mitochondria

• Vacuole

According to the passage 'Plants: Essential for Ecosystems,' what happens to the oxygen produced during photosynthesis?

• The oxygen passes out of the plant and into the air.

• The oxygen is stored in the plant's roots.

• The oxygen is used to make glucose.

• The oxygen is absorbed by the soil.

What is the main product formed when the plant recombines hydrogen molecules (H2) with carbon dioxide molecules (CO2) during photosynthesis?

• Glucose (C6H12O6)

• Oxygen (O2)

• Water (H2O)

• Methane (CH4)

During photosynthesis, what waste product is released by plants into the air?

• Oxygen (O2)

• Carbon dioxide (CO2)

• Nitrogen (N2)

• Methane (CH4)

Which process is the energy-releasing process that is the opposite of photosynthesis?

• Cellular respiration

• Fermentation

• Transpiration

• Glycolysis

During cellular respiration, plants take in oxygen from the air.

• True

• False

Which two substances are taken in by the green plant during photosynthesis?

• CO2 and H2O

• O2 and H2O

• CO2 and O2

• Glucose and O2