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Biology

Peter H. Raven, George B. Johnson, Kenneth A. Mason

Chapter 31

Seed Plants - all with Video Answers

Educators

MS

Chapter Questions

02:10

Problem 1

The lack of seeds is a characteristic of all
a. Iycophytes.
b. conifers.
c. tracheophytes.
d. gnetophytes.

Arun Bana
Arun Bana
Numerade Educator
02:48

Problem 2

Which of the following adaptations allows plants to pause their life cycle until environmental conditions are optimal?
a. Stomata
b. Phloem and xylem
c. Seeds
d. Flowers

Noah Barguez-Arias
Noah Barguez-Arias
Numerade Educator
00:15

Problem 3

Which of the following gymnosperms possesses a form of vascular tissue that is similar to that found in the angiosperms?
a. Cycads
b. Gnetophytes
c. Ginkgophytes
d. Conifers

Shazia Naz
Shazia Naz
Numerade Educator
02:14

Problem 4

In a pine tree, the microspores and megaspores are produced by the process of
a. fertilization.
b. mitosis.
c. fusion.
d. meiosis.

Christina Sorrentino
Christina Sorrentino
Numerade Educator
02:43

Problem 5

Which of the following terms is NOT associated with a male portion of a plant?
a. Megaspore
b. Antheridium
c. Pollen grains
d. Microspore

Christina Sorrentino
Christina Sorrentino
Numerade Educator
01:58

Problem 6

Which of the following potentially represents the oldest known living species of angiosperm?
a. Cooksonia
b. Archaefructus
c. Chlamydomonas
d. Amborella

Christina Sorrentino
Christina Sorrentino
Numerade Educator
01:53

Problem 7

The integuments of an ovule will develop into the
a. embryo.
b. endosperm.
c. fruit.
d. seed coat.

Christina Sorrentino
Christina Sorrentino
Numerade Educator
01:17

Problem 8

An example of a drupe is a
a. strawberry.
b. plum.
c. bean.
d. pineapple.

Christina Sorrentino
Christina Sorrentino
Numerade Educator
01:55

Problem 9

The pericarp is the
a. ovary wall.
b. developing seed coat.
c. ovary.
d. mature endosperm.

Christina Sorrentino
Christina Sorrentino
Numerade Educator