Banana Ripening and Ethylene Effects

The video tutorial explains the process of banana ripening, focusing on the role of ethylene gas. It describes the stages of ripening, from green to ripe, and how ethylene gas is produced and affects bananas. The tutorial also covers the commercial use of ethylene to control and speed up the ripening process, highlighting its impact on other fruits and the transportation of bananas.

What visual change occurs in bananas as they ripen over time?

• They change from green to yellow.

• They develop a blue hue.

• They become transparent.

• They turn from yellow to green.

What gas do bananas produce to aid in their ripening?

• Ethylene

• Oxygen

• Nitrogen

• Hydrogen

Which molecule is involved in the production of ethylene in bananas?

• Methionine

• Sucrose

• Glucose

• Fructose

What is the role of carbon dioxide in the banana ripening process?

• It is consumed during ethylene production.

• It is released during ethylene production.

• It has no role.

• It turns into ethylene.

What happens to the chlorophyll in bananas as they ripen?

• It turns into glucose.

• It remains unchanged.

• It decreases.

• It increases.

How does ethylene affect the taste of bananas?

• It makes them sweet.

• It makes them bitter.

• It makes them salty.

• It makes them sour.

What happens to the texture of bananas as they ripen?

• They become harder.

• They become softer.

• They become crunchy.

• They remain the same.

What is the primary use of ethylene gas in the commercial banana industry?

• To preserve bananas for longer periods.

• To change the color of bananas.

• To speed up the ripening process.

• To make bananas grow larger.

Why are bananas harvested green?

• To enhance their flavor.

• To make them easier to peel.

• To prevent them from ripening too quickly during transport.

• To ensure they are ripe when picked.

What effect does ethylene gas have on other fruits when bananas are stored with them?

• It has no effect.

• It changes their color.

• It slows down their ripening.

• It speeds up their ripening.