Ch. 22 Quiz

Question 1

The function of a suspensor is to

Answer 1

Push an embryo deeper into its food source, the mega gametophyte

Question 2

The common ornamental shrub is yew, belonging to the order Taxales. The principal way this order differs from the Coniferales is the

Answer 2

Lack of seed cones

Question 3

Most support in cycads is provided by

Answer 3

Persistent leaf bases

Question 4

Which of the following statements is not correct?

Answer 4

Cycads produce large, frond-like simple leaves

Question 5

Cycadeoids produced

Answer 5

Cones containing both microsporophylls and megasporophylls

Question 6

In the evolution of the seed

Answer 6

B and d

• telomes surrounded the megasporangium then fused together to form the integument
• a pollen chamber developed as a holding area for pollen

Question 7

Seed ferns bore their ovules

Answer 7

On their leaves

Question 8

The only difference between embryo structure in conifers and flowering plants is the number of cotyledons.

Answer 8

True

Question 9

Adaptations of pine needles suggest that pines may have evolved in a habitat short of water all or part of the year.

Answer 9

True

Question 10

The group directly ancestral to the Division Coniferophyta was the

Answer 10

Progymnosperms