Photosynthesis and Biofuels

What is the primary purpose of photosynthesis?

• a) Producing oxygen only

• b) Generating carbohydrates, oils, and amino acids

• c) Absorbing water from the soil

• d) Harnessing nitrogen from the air

Which organisms utilize photosynthesis?

• a) Plants, algae, and all bacteria

• b) Plants, algae, and some bacteria

• c) Animals, plants, and fungi

• d) All living organisms

How are plant researchers utilizing photosynthesis to address the fuel crisis?

• a) By decreasing oxygen production

• b) By engineering plants to produce more water

• c) By tweaking photosynthesis to create oils and fuels

• d) By increasing carbon dioxide emissions

What is one modification being made to the Camelina plant to enhance photosynthesis efficiency?

• a) Darkening the top leaves

• b) Genetically engineering lighter top leaves

• c) Increasing the size of the lower leaves

• d) Removing sunlight from the lower leaves

What is the role of terpene in the context of photosynthesis?

• a) It provides the raw material for oil production

• b) It is a type of carbohydrate produced during photosynthesis

• c) It serves as a precursor for potential biofuels

• d) It's a byproduct of water and sunlight interaction

What is the aim of ongoing research on terpene production?

• a) To increase pine tree growth rate

• b) To decrease the efficiency of turpentine production

• c) To process turpentine for making domestic sources of biofuels

• d) To eliminate terpene production in pine trees

How might photosynthesizing plants contribute to future commercial flights?

• a) By providing oxygen for passengers

• b) By generating aviation biofuels from carbohydrates

• c) By producing more water for aircraft engines

• d) By releasing carbon dioxide into the atmosphere

Which sentence best summarizes the passage?

• a) Photosynthesis creates oxygen and carbohydrates essential for life.

• b) Researchers are modifying plants like Camelina to produce biofuels more efficiently using photosynthesis.

• c) Terpene production in pine trees is a harmful byproduct of photosynthesis.

• d) Photosynthesis has little relevance to addressing the world's fuel crisis.

How can researchers utilize photosynthesis to address environmental sustainability?

• a) By increasing oxygen production

• b) By engineering plants to produce more water

• c) By modifying photosynthesis to create sustainable materials

• d) By decreasing carbon dioxide emissions

Which statement best summarizes the concept of photosynthesis?

• a) Photosynthesis creates oxygen and carbohydrates essential for life.

• b) Researchers are modifying plants like Camelina to produce biofuels more efficiently using photosynthesis.

• c) Terpene production in pine trees is a beneficial byproduct of photosynthesis.

• d) Photosynthesis has little relevance to addressing the world's environmental sustainability.