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Flower Anatomy and Reproduction Study Guide III

12 Questions

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Flower Anatomy and Reproduction Study Guide III

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Questions and Answers

During double fertilization in angiosperms, what is the product when one sperm fertilizes the egg?

Zygote (2n) (correct)

Endosperm (3n)

Ovule

Pollen grain

What is the primary function of the cotyledon in a developing seedling?

Gas exchange

Photosynthesis

Protection

Nutrient absorption (correct)

In plant reproduction, what process involves cross-pollination between individuals of the same species?

Asexual reproduction

Outcrossing (correct)

Selfing

Fertilization

How do dicots protect the shoot apical meristem of a seedling as it emerges from the soil?

Hypocotyl hook Signup and view all the answers

Why is genetic variability important for plants?

To adapt to environmental conditions Signup and view all the answers

How are the diversity of flowers and fruit types associated with plant fitness and dispersal, respectively?

Flowers co-evolve with pollinators; fruit types co-evolve with seed dispersers Signup and view all the answers

What are the parts of a typical flower?

Carpel, stamen, petal, sepal Signup and view all the answers

What is the main difference between bisexual and unisexual flowers?

Bisexual flowers have male and female reproductive organs in the same flower, while unisexual flowers have them in separate flowers. Signup and view all the answers

Where do monoecious plants have male and female flowers?

On the same plant Signup and view all the answers

What is a defining characteristic of dioecious plants?

They do not have male and female flowers on the same plant. Signup and view all the answers

How many cells make up an immature male gametophyte in flowering plants?

2 cells Signup and view all the answers

How many cells are present in a mature male gametophyte in flowering plants?

3 cells Signup and view all the answers