Seed Propagation Pretest

What are the components of a seed?

• Pollen, ovule, and stigma

• Root, stem, and leaves

• Embryo, seed coat, and endosperm

• Fruit, flower, and petal

What is the process of seeds germinating inside their fruit without maturation drying called?

• Apomixis

• Stratification

• Vivipary

• Scarification

What is the first phase of seed germination characterized by the rapid uptake of water by the seed?

• Histodifferentiation

• Imbibition

• Lag phase

• Radicle protrusion

Tags

NGSS.MS-LS1-7

NGSS.MS-LS2-1

Which factor is the most critical for seed germination?

• Water

• Oxygen

• Light

• Temperature

Which type of seeds will not germinate if cooler than 50F‒60F?

• Primrose flowers

• Asparagus

• Eggplant

• Zinnia flowers

Tags

NGSS.MS-LS1-5

What is the duration of day length and the relationship between the dark and lighted periods called?

• Light uniformity

• Light-sensitivity

• Photoperiod

• Light quality

Which type of dormancy occurs when quiescent seeds are exposed to extreme stress or low oxygen levels?

• Seed coat dormancy

• Morphological dormancy

• Secondary dormancy

• Primary dormancy

Which act provides legal property rights protection for plant varieties?

• Plant Variety Protection Act (PVPA)

• Germplasm repositories

• Transgenic cultivars

• Federal Seed Act

Which type of seeds are locally adapted or traditional varieties with genetic diversity?

• Wild populations

• Heirloom varieties

• Landraces

• Hybrid varieties

What is the term for genetically modified organisms that have resistance to disease, herbicides, and insects?

• Hybrid varieties

• Transgenic cultivars

• Wild populations

• Landraces

Tags

NGSS.MS-LS4-5