Unit 4 Plant Growth and Development Test

What is the process called when the embryo emerges from the seed?

• Scarification
• Cotyledons
• Stratification
• Germination

What term describes an inactive period that protects plants during poor weather?

• Imbibition
• Dormant
• Germination
• Chemical

Which type of dormancy is caused by a thick seed coat preventing germination?

• Chemical
• Physical
• Cotyledons
• Imbibition

What type of dormancy involves plant hormones preventing germination?

• Scarification
• Stratification
• Chemical
• Physical

What triggers germination through cold temperatures or moisture?

• Dormant
• Cotyledons
• Stratification
• Imbibition

How is the seed coat physically weakened to start germination?

• Stratification
• Germination
• Scarification
• Dormant

What is the first step in the germination process involving rapid water uptake?

• Cotyledons
• Scarification
• Physical
• Imbibition

What are the seed leaves known as?

• Stratification
• Cotyledons
• Germination
• Scarification

How does dormancy benefit plants?

• By encouraging rapid growth
• By regulating growth and energy usage
• By weakening the seed coat
• By activating plant hormones

During which step does the seed activate its internal physiology?

• Germination
• Dormancy
• Scarification
• Interim step