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?

<p>Aroma volatiles are produced and fruit become soft enough to eat (D)</p> Signup and view all the answers

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

<p>It occurs relatively late (C)</p> Signup and view all the answers

What is the primary function of ethylene in plants?

<p>It promotes the ripening process (A)</p> Signup and view all the answers

What is the source of ethylene in the ripening process?

<p>The plant itself (D)</p> Signup and view all the answers

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

<p>It plays a major physiological role (A)</p> Signup and view all the answers

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

<p>Ripening hormone (C)</p> Signup and view all the answers

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

<p>It is accelerated by ethylene (C)</p> Signup and view all the answers

What hormone do fruits emit during the ripening process?

<p>Ethylene (C)</p> Signup and view all the answers

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

<p>Respiration (D)</p> Signup and view all the answers

What is the primary role of ethylene in fruit physiology?

<p>Trigger ripening (C)</p> Signup and view all the answers

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

<p>They do not respond (B)</p> Signup and view all the answers

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

<p>Ethylene increases respiration rate (D)</p> Signup and view all the answers

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