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Seed Dormancy and Germination Quiz

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Questions and Answers

What is the primary purpose of seed dormancy in plants?

To prevent germination in any environmental condition

To accelerate germination to ensure rapid growth

To delay germination until environmental conditions are unfavorable

To optimize germination and seedling emergence in favorable environmental conditions (correct)

Where is seed dormancy more prevalent according to the text?

In well-irrigated agricultural fields

In urban settings

In harsh and unpredictable environments (correct)

In controlled greenhouse environments

What is the significance of seed dormancy in arid ecosystems?

It allows for germination when opportunities for recruitment are limited (correct)

It has no specific significance in arid ecosystems

It prevents germination to conserve seeds

It accelerates germination to counteract arid conditions

Why do seeds need to possess strategies to perceive their surrounding environment?

To optimize the timing of germination (C) Signup and view all the answers

What is the successful establishment of seedlings dependent on?

The timing of seed germination (B) Signup and view all the answers

What type of dormancy is characterized by an impermeable seed coat preventing water from entering the seed?

Physical dormancy (PY) (B) Signup and view all the answers

Which family includes the common papaya and the Austral papaya?

Caricaceae (D) Signup and view all the answers

What is the primary reason for studying the germination requirements of C. chilensis?

Conservation strategy due to its vulnerable status (C) Signup and view all the answers

What is the main inhibitory substance affecting the low seed germination in the Caricaceae family?

Phenolic compounds (D) Signup and view all the answers

What is the primary reason for the urgent need to study the dormancy-break requirements of native non-tree species in Chile?

To fulfill restoration commitments (A) Signup and view all the answers