biology exam 2

Question 0

What is the stigma’s purpose?

Answer 0

To catch pollen

Question 1

Male part that creates sperm

Answer 1

Stamen

Question 2

What is the another’s purpose?

Answer 2

To expel pollen

Question 3

Example if fast cloning asexual plant

Answer 3

Kalanchoe

Question 4

What flowe attracts flies?

Answer 4

Aurum Lilly

Question 5

What does a staminate flower lack?

Answer 5

Female parts

Question 6

What dies a pistillate flowe lack?

Answer 6

Male parts

Question 7

What is a monoecious plant?

Answer 7

A plant that has both make and female parts, but they are separated. Corn is example

Question 8

What is dioecious?

Answer 8

A plant that is only male or female.

Question 9

What does a perfect flower have?

Answer 9

All flower parts

Question 10

What us a zygote?

Answer 10

The combination if the male and female gametes

Question 11

What dies the second spark in angiosperms do?

Answer 11

Fuses with other tells in the ovule to firm endosperm

Question 12

What are the 4 mechanisms if seed dormancy?

Answer 12

Mechanical - scarification

Light - photo chrome

Temperature - stratification

Chemicals - leaching

Question 13

What was dr deno’s hobby?

Answer 13

Figuring out why seeds germinate

Question 14

What are the 5 main plant hormones?

Answer 14

Auxin
Cytokinins
Ethylene
Absidic acid
Gibberellins

Question 15

What dies auxin do?

Answer 15

Tropic response and apical dominance.

Question 16

What else can auxin do?

Answer 16

Cell expansion and fruit development

Question 17

What plant part is most sensitive to auxin

Answer 17

The root

Question 18

What do cytokinins do?

Answer 18

First found in herring Sperm and coconut milk

Cell division
Delays senescence
Suppressed root growth
Regulates cell cycle
Shapely apples

Question 19

What are the three functions if ethylene

Answer 19

Fruit ripening
Leaf abscission
Flowering

Question 20

What types if plant dies ethylene have a positive effect and one negative?

Answer 20

It has a positive affect on aquatic plant growth and negative in others

Question 21

What are the 4 functions of abscissic acid?

Answer 21

Stomata I closure
Seed dormancy
Inhibits growth

Question 22

What is a gibberellin and what’s it’s purpose?

Answer 22

A hormone that allows seed germination and can promote stem elongation

Question 23

In what three ways do plants control hormones?

Answer 23

Combinations
Concentration
Varied synthesis

Question 24

Control if cell division

Answer 24

Cytokinins and gibberellins

Question 25

Stomatal closures

Answer 25

Abscissic acid

Question 26

Stem elongation

Answer 26

Auxin and giberelliv acid

Question 27

Gravitropism

Answer 27

Auxin

Question 28

Ranunculalea

Answer 28

``` Buttercup herbaceous plants hepatuva Marigolds Goldenseal Larkspur Elderberry Honeysuckle ```

Question 29

Purpose of phosphorus

Answer 29

ATP and stimulating root growth

Question 30

.

Answer 30

Where is phosphorus

Question 31

What is high p?

Answer 31

A root system that branches out?

Question 32

What is low p?

Answer 32

Long dense root hairs

Question 33

Mycorrhiza

Answer 33

Symbiotic root fungi relationship

Question 34

Potassium

Answer 34

Stomata

Question 35

Where is potasium?

Answer 35

Soil solution salts

Question 36

Do monocots or dicots suck up nitrogen?

Answer 36

Monocots

Question 37

What is the only monocot with nitrogen fixation?

Answer 37

Rice

Question 38

Phytochrome

Answer 38

Red and far relight

Question 39

Cryptochrome and phototropin

Answer 39

Blue light

Question 40

What is the active form if red light?

Answer 40

Pfr

Question 41

What is crypto chrome responsible for?

Answer 41

Circadian rhythm Stem elongation Leaf expansion and movements

Question 42

Phototropism and phototropin

Answer 42

Directional growth response to light

Question 43

What can break apical dominance?

Answer 43

Cytokinins