Ch. 23 Quiz

Question 1

In most situations where you do not have a microscope, you could recognize a plant as a monocot if the plant had

Answer 1

Parallel venation in the leaves

Question 2

Grasses are

Answer 2

Wind pollinated, so they have a very reduced perianth

Question 3

A flower characteristic that is quite derived, a product of considerable evolutionary modification, is

Answer 3

An inferior gynoecium

Question 4

The Orchidaceae supply us with

Answer 4

Vanilla

Question 5

About 50% of our food calories come from which family?

Answer 5

Poaceae

Question 6

Which of the following is unique to the angiosperms?

Answer 6

Double fertilization leading to an embryo and endosperm

Question 7

Why are members of the subclass Magnoliidae thought to resemble early angiosperms?

Answer 7

All of the above

• the lack of xylem vessels
• numerous separate carpels
• uniaperaturate pollen grains
• spirally arranged stamens

Question 8

A pigment uniquely characteristic of the Caryophyllaceae is

Answer 8

Betalain

Question 9

Water lilies (Nympheacea) are currently classified in as part of the

Answer 9

Basal angiosperms

Question 10

The most recently evolved group of plants are the

Answer 10

Flowering plants