Plsc Exam

Front 1

Monocot vs. Dicot

Back 1

a

Front 2

Hypogeal vs. Epogeal

Back 2

a

Front 3

Cell Wall

Back 3

i. Animals don’t have cell wall
ii. Provide structure and support for plant
iii. Contains cellulose (primary cell wall) and lignin (secondary cell wall)

Front 4

Cell Membrane

Back 4

c. Cell membrane
i. Just inside the cell wall, doesn’t provide structure
ii. Elastic
iii. Discriminates what gets into the cell

Front 5

Organelles

Back 5

e. Organelles- the functioning part of the cell, where activing takes place

Front 6

Endoplasmic Reticulum

Back 6

series of subcellular membranes which contain ribosome’s

Front 7

Ribosomes

Back 7

protein synthesis

Front 8

Nucleus

Back 8

carries genetic info through DNA on chromosomes
1. All veg. cells contain pairs of homologous chromosomes
a. Homologous chromosomes pair during meiosis
2. Dipoloid cells: cells that have pairs of homologous chromosomes (2n)
3. Hapoloid: no pairs of homologous chromosome (1n)

Front 9

Mitochondria

Back 9

powerhouse of cell where energy is produced and respiration occurs

Front 10

Plastids

Back 10

v. Plastids: organelles containing pigments, holds chlorophyll?

Front 11

2 types of tissue

Back 11

meristematic and permanent

Front 12

Simple Tissue:

Back 12

epidermis, parenchyma, colenchyma, sclerenchyma

Front 13

2 types of permanent tissue:

Back 13

simple and complex

Front 14

2 types of complex vascular tissue

Back 14

xylem and phloem

Front 15

Cell division is

Back 15

mitosis

Front 16

mitosis phases

Back 16

interphase, prophase, metaphase, anaphase, telohpase

Front 17

stems above ground

Back 17

nodes and buds

Front 18

stems below ground:

Back 18

rhizomes, stolons, tubers, bulbs

Front 19

rhizomes

Back 19

Below ground stem growing horizontally

Front 20

stolons

Back 20

Runs on the surface horizontally containing nodes and buds

Front 21

tubers

Back 21

Swollen fleshy stem containing buds

Front 22

bulbs

Back 22

Swollen covered with leafy scales with buds

Front 23

tissue

Back 23

large tracts of similar organized cells that have similar structure and funtion

Front 24

leaves 2 types

Back 24

simple, compund

Front 25

compound leaves:

Back 25

palmate and pinnate

Front 26

leaf structure

Back 26

epidermis/guard cells/cuticle, spongy mesophyll cells

Front 27

flowers 3 types

Back 27

complete, incomplete, imperfect

Front 28

4 main fower parts

Back 28

sepal, petal, stamen, pistil

Front 29

pistil is made up of:

Back 29

stigma, style, ovary,

Front 30

stamen is made up of:

Back 30

anther, filament

Front 31

monoecious vs. dioecious

Back 31

i. Monecious- both sexes on a plant, plants having both staminate and pistillate flowers
ii. Dioecious- male & female parts on separate plants, having staminate and pistillate flowers on separate plants

Front 32

flower structures:

Back 32

spike, raceme, panicle, umbel, head

Front 33

meoisis:

Back 33

crossing over

Front 34

what is result of meiosis

Back 34

i. haploid cells (1 egg and 4 pollengrain)

Front 35

what is result of fertilization

Back 35

i. 2N embryo and 3N endosperm

Front 36

soil textures

Back 36

clay, silt, sand

Front 37

organic matter

Back 37

c. Organic matter: decaying plant and animal material
i. Highly negatively charged, holds h20
ii. Site of microorganisms

Front 38

soil ph measured by:

Back 38

H+ concentration

Front 39

soil profile

Back 39

i. O-zone: contains organic matter, most microorganisms live here
ii. A-zone: zone of leaching and weathering
iii. B-zone: zone of accumulation, accumulates what leaves from A
iv. C-zone: parent material, rock that soil was formed from

Front 40

nutrients

Back 40

nitrogen, phosphorus, potassium

Front 41

fertilizier:

Back 41

commercial, manure

Front 42

nitrogen fixation:legumes

Back 42

dumbiotic relationship with rhizobium bacteria