Random Last Exam

Front 1

when induced to flower apical meristems produce a number of _____ ___-

Back 1

floral/ leaf primorida

Front 2

induction can occur during the final stages of growth of ____ ___

Back 2

annual crops

Front 3

induction can occur during the end of growing season for____

Back 3

perenialls

Front 4

florigen is a ____ stimulus

Back 4

flowering

Front 5

what two adaptive responses allow seedlings to optimize photosynthetic light capture

Back 5

phototropisms and shade avoidance.

Front 6

three photorecpetors are

Back 6

photochrome
crytochrom/phototropisms
uv receptors.

Front 7

photoreceptors are controlled by

Back 7

light intenisty, quality and perdoicty.

Front 8

Acid solutions have _ as a dominate particle. Base solutions have __ as a dominate component

Back 8

Hydrogens, Hydroxides.

Front 9

acid soils can inhibit what type of bacteria

Back 9

nitrogen fixing

Front 10

horizion A is known as

Back 10

zone of biological activity

Front 11

horizon B is known as

Back 11

rooting zone

Front 12

Horizon C is known as

Back 12

zone of transtion.

Front 13

steps in tillage

Back 13

plowing
deep tillage
land leveleing
mnimum tillage
soil fumigation
disking
harrowing
listing
cultivation
harvets

Front 14

land preperation is

Back 14

maintatin seedbend
crop residues,
control weeds
improrve physical conditions
control erosion
level the land.

Front 15

physciall turning the soil does what

Back 15

reduces soil born diseases
control weeds and insects
cause soil compaction

Front 16

minium tillage does what

Back 16

reduces compaction
soil imporves
disease can be a problem

Front 17

contour plowing does what

Back 17

reduce erosion
with irrigation land must be leveled.

Front 18

soil chemistry is comprised of what three things

Back 18

soil pH
CEC and
Water holding capacity.

Front 19

plants wilt becuase of what occurance

Back 19

they lose turgor, pressure that makes the plant rigid

Front 20

main causes of soil infertility

Back 20

erosion
desertifcaition
salination
urbanization.

Front 21

factors that create erosion

Back 21

water, wind human activities

Front 22

salinization is caused by

Back 22

high levels of salt
over cultivation
climate favor salt accumulation.

Front 23

the greatest loss of agricultural land is due to waht

Back 23

urbanization

Front 24

three common names for temperatures

Back 24

kelvin, celius and ferhinheitht

Front 25

water loss, cell wall softening, and loss of semi peremabiilty has a massive effect on what

Back 25

turgor pressures.

Front 26

95 percent of the plants dry weight can described as

Back 26

hydrated carbon in the form of carbohydrates like polymrs of glucose

Front 27

nitrgoen is most abudent in what form

Back 27

gas

Front 28

Nitrgoen lacking plants are what color

Back 28

yellow

Front 29

78% of N gass is in the atmosphere, but the rest needs to be ____ to unstable ammonia to be taken up by crops

Back 29

converted

Front 30

what is the basic building block of commmon nitrogen fertilization

Back 30

ammonina

Front 31

nitrogen can be lost from the soil by what process

Back 31

denitrogenfication.

Front 32

harbor bosh porcess

Back 32

nitrogen is commerical fixed into ammonia by energy

Front 33

potassium is used for what

Back 33

photosyntheisis, sugar translation and enyzme activation. Transport.

Front 34

calcium is important in ____ and ____ within in the cytoplasm of the cell.

Back 34

connection and signaling

Front 35

phosphorous and magnesium

Back 35

needed in ATP and Nadp energy structures.

Front 36

Sulfur can be applied to crops as what

Back 36

a fungcide

Front 37

Abiotice envirometnal factors depend on what five factors

Back 37

temperature, moisture, solar radiation, freezing, atmosphere

Front 38

as air rises up it expands and cools down becuase its _____ _____ volume is increasing.

Back 38

surface area

Front 39

adiabatic cooling is when air gets _____ and rain is created

Back 39

cooler

Front 40

Rain shadows form on what side of the mountains

Back 40

leeward

Front 41

wounding can cause what physiolgocial effect

Back 41

ethylene prodcution
stipulated respriation
phenolic metabolism
wound healing

Front 42

wound enhanses repriation occurs becuase of the increase in what two things

Back 42

CO2 and enzymatic activity

Front 43

what plant is an example of a chill sensitive plant

Back 43

corn