Photosynthesis Quiz

What is photosynthesis?

• A process where plants, algae, and some bacteria make their own food

• A method of animal respiration

• A way to break down glucose into energy

• A process of water evaporation in plants

What is the primary energy source used in photosynthesis?

• Sunlight

• Moonlight

• Wind

• Geothermal heat

Where does photosynthesis primarily take place in plants?

• Roots

• Chloroplasts

• Stems

• Flowers

What are the main components converted into glucose during photosynthesis?

• Oxygen and nitrogen

• Water and carbon dioxide

• Hydrogen and methane

• Sulfur and phosphorus

What is the primary energy source for almost all life on Earth?

• Water

• Wind

• Sun

• Soil

How does energy flow from the sun to animals?

• Sun → Animals (direct)

• Sun → Plants → Animals (indirect)

• Sun → Water → Animals

• Sun → Soil → Animals

Which of the following is an example of energy flow in nature?

• Sun → Rock → Human

• Sun → Apple tree → Apple → Human → Mosquito

• Sun → Water → Fish

• Sun → Soil → Plant

Diagram showing the energy flow in nature, including processes like photosynthesis, plant respiration, and animal respiration.

• Photosynthesis is the process by which plants make their own food using sunlight.

• Animal respiration is the process by which animals convert oxygen into carbon dioxide.

• Plant respiration is the process by which plants convert carbon dioxide into oxygen.

• Energy flow in nature does not involve any form of respiration.

What is the process by which autotrophs make their own food?

• Respiration

• Photosynthesis

• Fermentation

• Digestion

Which of the following is an example of an autotroph?

• Lion

• Algae

• Human

• Mushroom