Exam 2

Question 1

Radicle of a seed becomes

Answer 1

The root

Question 2

What do sepals and petals have in common?

Answer 2

Modified leaves

Question 3

What part of the leaf is attached to the stem?

Answer 3

Petiole

Question 4

Buttress roots would be most commonly found in what ecosystem?

Answer 4

Rainforest

Question 5

Which of the following are water conducting cells of the xylem, having thick walls, and are dead at maturity?

Answer 5

Tracheids

Question 6

The hardness of things such as nuts is due to what cell type

Answer 6

Schlerenchyma

Question 7

The best word to describe the growth of a plant is

Answer 7

Indeterminate growth

Question 8

Apical meristem would be found in which of these places?

Answer 8

Root tips and stem Tips

Question 9

Which of the following statements about phloem is correct?

Answer 9

It transports mainly sugar and amino acids

Question 10

Any curvature of a plant due to response to a stimulus is called what?

Answer 10

Tropism

Question 11

Nitrogen fixation is the process of

Answer 11

Converting nitrogen gas to ammonia

Question 12

What does hyphae aid in? With plants

Answer 12

AIDS in absorbing minerals and ions

Question 13

The B horizon of soil is mostly composed of?

Answer 13

Clays

Question 14

Which of these ecosystems would likely have the largest O horizon?

Answer 14

Deciduous forests

Question 15

Which of the following is derived of ground tissue system?

Answer 15

Pith

Question 16

Which of the following would be least conductive to plant growth?

Answer 16

Compacted soil

Question 17

The endosperm of a monocot seed becomes what?

Answer 17

Food for the plant embryo

Question 18

Monocot would have all of the following except

Answer 18

Net like veins

Question 19

Vessel elements are found in..?

Answer 19

Vascular tissue

Question 20

Which of these is not a plant organ?

Answer 20

Vein

Question 21

Water movement in plants is a combination of?

Answer 21

transpiration and root pressure

Question 22

Which of the following is true of the life cycle of mosses?

Answer 22

Antheridia and archegonia are produced by gametophytes

Question 23

Flagellated sperm, xylem with tracheids, separate gametophyte and sporophytes, with sporophyte dominants. No seeds. This is mostly a?

Answer 23

Fern

Question 24

In addition to seeds, which characteristics are unique to seed producing plants?

Answer 24

Pollen

Question 25

Which structure is common to gymno and angiosperms

Answer 25

Ovule

Question 26

Which structure is associated with male reproduction in female portions of the flower?

Answer 26

Pollen tube

Question 27

How have fruits contributed to the success of angiosperms?

Answer 27

Facilitating seed dispersal

Question 28

``` T/F… Desert plants have a large thin leaf to maximize photosynthesis Transpiration is limited by gravity The periderm of a tree is also the bark Tree branch tips contain meristem Phloem cells are alive at maturity ```

Answer 28

``` False True True True True ```

Question 29

Types of mycorrhiza that penetrate root cells are — Aspen use — for asexual reproduction. A horizontal stem. —. A primitive gymnosperm tree with separate male/ females. Mosses use — to anchor in soil or rocks, root like structures often just one cell in size A pine seed found inside a — will turn brown as it matures.

Answer 29

``` Endo mycorrhiza Rhizomes Gynko Rhizoids Cone scale ```

Question 30

What makes a flower complete or incomplete?

Answer 30

Complete must have sepal, petals, stamen and pistils

Question 31

What cell is found in many more types of plants than others? Why?

Answer 31

Parenchyma, it’s an unspecified cell that chloroplasts are made of.

Question 32

Describe the function of gibberellin in plants.

Answer 32

Signals germination and development within seeds

Question 33

How can you identify a spruce vs pine?

Answer 33

Pines have longer needles and spruce branches curve down.

Question 34

What are the male vs female gametophytes in liver warts

Answer 34

Antheridia male | Archegonia Female