The Life Cycles of Plants — Quiz

Question 1

What do all plant life cycles have in common?

Revolt · Accepted Answer

Diploid and haploid phases alternate.

Question 2

In plants that undergo double fertilization, the structure that forms to nourish the seed is called the

Revolt · Accepted Answer

endosperm.

Question 3

Which is produced when an egg and a sperm unite during a plant’s life cycle?

Revolt · Accepted Answer

zygote

Question 4

Which term is the name of the diploid stage of the plant life cycle?

Revolt · Accepted Answer

sporophyte

Question 5

What do the moss life cycle and the fern life cycle have in common?

Revolt · Accepted Answer

Fertilization produces a diploid cell.

Question 6

What is a flowering seed plant called?

Revolt · Accepted Answer

angiosperm

Question 7

What occurs in the life cycle of a moss but not in the life cycle of a gymnosperm?

Revolt · Accepted Answer

In moss, sperm and egg cells are produced after haploid spores are released from the sporophyte.

Question 8

In a plant’s life cycle, how many sporophyte generations occur between one gametophyte generation and the next time that eggs and sperm are produced?

Revolt · Accepted Answer

one

Question 9

Which best describes the alternation of generations?

Revolt · Accepted Answer

A gametophyte is its haploid phase.

Question 10

In seedless plants, haploid gametophytes are produced from

Revolt · Accepted Answer

haploid spores that undergo mitosis.

The Life Cycles of Plants — Quiz Answers