Nitrogen Fixation

What did Carver aim to fill with his agricultural innovations?

• The need for agricultural machinery

• The farmer's knowledge gap

• The poor man's empty dinner pail

• The market's demand for cotton

Who was known as the 'plant doctor' from a young age?

• Thomas Edison

• George Washington Carver

• Alexander Graham Bell

• Henry Ford

What was the main problem with the soil in the South that Carver aimed to solve?

• It was too wet

• It was too rocky

• It was infested with pests

• It lacked nitrogen

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Which crop is NOT mentioned as a nitrogen-fixing legume?

• Soybeans

• Peanuts

• Clover

• Corn

Why was crop rotation important for farmers in the South according to Carver?

• It allowed them to grow more cotton

• It prevented soil erosion

• It returned nitrogen to the soil

• It made farming easier

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What process allows legumes to convert nitrogen gas into a more usable form?

• Transpiration

• Respiration

• Nitrogen fixation

• Photosynthesis

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What role do bacteria play in the nitrogen fixation process?

• They help convert nitrogen gas into ammonium

• They increase the acidity of the soil

• They destroy harmful pests in the soil

• They consume nitrogen in the soil

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What was one of the new uses for soybeans discovered by Carver?

• Building material

• Fuel

• Clothing

• Medicine

How did Carver's discoveries help the South's economy?

• By importing crops from other regions

• By discovering new uses for crops like soybeans and peanuts

• By promoting the use of heavy machinery

• By introducing chemical fertilizers

What is one benefit of crop rotation mentioned in the video?

• It reduces the variety of crops that can be planted

• It makes the soil drier

• It helps maintain or improve soil quality

• It increases the need for pesticides

Tags

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