The Fascinating World of Ginkgophyta

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Which phylum includes pine, fir, spruce, and cedar trees?

Phylum Gnetophyta

Phylum Cycadophyta

Phylum Gingkophyta

Phylum Coniferophyta (correct)

What is the structure that produces the megaspore in a pine cone?

Integument

Microsporangium

Ovule

Megasporangium (correct)

What is the term for the transfer of pollen to the carpel in a flower?

Pollen tube growth

Germination

Pollination (correct)

Fertilization

What is the male gametophyte enclosed within in a pollen grain?

Pollen grain Signup and view all the answers

What is the term for the union of sperm and egg in a flower?

Fertilization Signup and view all the answers

What is the structure that develops from the ovule following pollination and fertilization?

Seed Signup and view all the answers

What is the term for the exposed nature of the seeds in gymnosperms?

Gymnosperm Signup and view all the answers

Which of the following is a key adaptation of land plants described in the text?

Seeds Signup and view all the answers

What is the dominant phase of the life cycle in vascular seed plants?

Sporophyte Signup and view all the answers

Which type of plants are heterosporous, producing two kinds of spores?

Gymnosperms Signup and view all the answers

Where are megasporangia located in seed plants?

On leaves called megasporophylls Signup and view all the answers

What is the main function of ovules in seed plants?

To facilitate fertilization Signup and view all the answers

What is the significance of reduced gametophytes in vascular seed plants?

They provide nutrition to the sporophyte Signup and view all the answers

What is the difference between megaspores and microspores in seed plants?

Megaspores are larger than microspores Signup and view all the answers

Which structure produces a pollen tube that grows down the style until it reaches the ovary?

Pollen grain Signup and view all the answers

Where does the pollen tube enter the ovule?

Micropyle Signup and view all the answers

What is the result of double fertilization in angiosperms?

Zygote + triploid cell Signup and view all the answers

What does the triploid cell produced during double fertilization develop into?

Endosperm Signup and view all the answers

What does the zygote develop into after fertilization?

Embryo Signup and view all the answers

Which group of angiosperms has one cotyledon in the embryo?

Monocots Signup and view all the answers

Which group of angiosperms has two cotyledons in the embryo?

Eudicots Signup and view all the answers

Which group of angiosperms includes Amborella, water lilies, star anise, and magnoliids?

Basal angiosperms Signup and view all the answers

How many cotyledons do the majority of dicots (eudicots) have?

Two Signup and view all the answers

Which of the following is a characteristic of Ginkgophyta?

Leaves turn golden in the fall Signup and view all the answers

Which group of plants has a life cycle similar to pines?

Cycadophyta Signup and view all the answers

Which group of plants is dioecious, meaning male and female structures are on separate trees?

Ginkgophyta Signup and view all the answers

Which group of plants is unique among the Gymnosperms in having vessels in the xylem?

Gnetophyta Signup and view all the answers

Which group of plants has flowers for sexual reproduction?

Angiosperms Signup and view all the answers

Which part of a flower contains the stigma, style, and ovary?

Carpel (Pistil) Signup and view all the answers

What is the function of fruits in angiosperms?

To protect the seeds and aid in dispersal Signup and view all the answers