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Fruit Ripening Process

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Questions and Answers

What happens to fruit at harvest?

They start producing ethylene

They stop responding to ethylene

They do not produce but are highly sensitive to ethylene (correct)

They become insensitive to ethylene

When does endogenous autocatalytic ethylene production begin in fruit?

Relatively late in the softening process (correct)

Never, it only responds to exogenous ethylene

Immediately after harvest

During phase 1 of softening

What characterizes phase 2 of fruit softening?

Production of aroma volatiles

Rapid softening (correct)

Initiation of softening

Slowing down of softening

What happens to fruit during phase 3 of softening?

Aroma volatiles are produced and fruit become soft enough to eat Signup and view all the answers

How does the ripening of this fruit species compare to others?

It occurs relatively late Signup and view all the answers

What is the primary function of ethylene in plants?

It promotes the ripening process Signup and view all the answers

What is the source of ethylene in the ripening process?

The plant itself Signup and view all the answers

What is the role of ethylene in the ripening process under natural conditions?

It plays a major physiological role Signup and view all the answers

What is the classification of ethylene in the context of plant physiology?

Ripening hormone Signup and view all the answers

What can be said about the ripening process in relation to ethylene?

It is accelerated by ethylene Signup and view all the answers

What hormone do fruits emit during the ripening process?

Ethylene Signup and view all the answers

During fruit ripening, an increase in which process is observed?

Respiration Signup and view all the answers

What is the primary role of ethylene in fruit physiology?

Trigger ripening Signup and view all the answers

How do fruits respond to ethylene treatment during their ripening process?

They do not respond Signup and view all the answers

Which statement about ethylene and fruit respiration during ripening is correct?

Ethylene increases respiration rate Signup and view all the answers