What is the primary reproductive organ of flowering plants?
The flower.
What is the peduncle?
The stalk of the flower.
What is the function of sepals?
They protect the flower in its bud stage.
What are petals collectively called, and what is their function?
The corolla; they attract pollinators.
What are stamens?
The male reproductive parts of a flower, collectively called the androecium.
What is the function of the stigma in the carpel?
It captures pollen.
Name a flower with a superior ovary.
Hibiscus.
What is placentation?
The arrangement of ovules within the ovary.
What type of placentation is found in tomatoes?
Axile placentation.
What is a seed?
A fertilized and developed ovule.
Name the part of a seed that protects the embryo.
Testa (seed coat).
What is the difference between dicot and monocot seeds in terms of cotyledons?
Dicots have two cotyledons; monocots have one.
What is germination?
The process where a seed's embryo develops into a seedling.
What is epigeal germination?
When cotyledons are pushed above the soil surface.
What is hypogeal germination?
When cotyledons remain in the soil.
Name one external condition necessary for germination.
Water, oxygen, or a suitable temperature.
What is viability in seeds?
The ability of a seed to germinate under favorable conditions.
What type of flower contains both stamens and carpels?
A perfect flower.
Name a plant with unisexual flowers.
Maize.
What type of germination do maize seeds undergo?
Hypogeal germination.
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