Agronomy

Question 1

psychoactive compound in opium poppy

Answer 1

morphine, codeine

Question 2

psychoactive effect of opium poppy

Answer 2

depressant

Question 3

species

Answer 3

Each unique group of organisms is a different species. Individual members of a species share a similar genotype, phenotype, and environmental function.

Question 4

psychoactive effect of coco

Answer 4

stimulant

Question 5

psychoactive compound in tobacco

Answer 5

nicotine

Question 6

ozone layer

Answer 6

layer in the atmosphere that absorbs the ultraviolet light that is extremely harmful to humans and plants

Question 7

parasitic flowering plant

Answer 7

an obligate parasite that lacks a root system and instead uses a naustoria to absorb water and nutrients from its host.

Question 8

parenchyma

Answer 8

type of tissue where plant cells containing chlorophyll are sites of photosynthesis and energy storage

Question 9

parent materials

Answer 9

the weathered rock from which soils are formed

Question 10

pasture

Answer 10

An area of land, usually fenced in, where plants are grown for grazing animals. Unfenced grazing areas are called range.

Question 11

pathogen

Answer 11

an organism capable of causing disease

Question 12

peanut

Answer 12

Legume grown for its edible, underground seed. Peanuts are consumed whole as a snack food, as peanut butter and in candy

Question 13

pedigree selection

Answer 13

A method of selection that is economically used after hybridization. Plants are selected over multiple generations to produce a uniform product

Question 14

pathogen

Answer 14

an organism capable of causing disease

Question 15

peg

Answer 15

Elongated ovary of the peanut plant which buries itself in the soil after pollination to form the peanut. Peanuts are harvested by digging up the crop.

Question 16

perennial

Answer 16

plants that live for three or more years

Question 17

perfect flower

Answer 17

flower that has both a stamen (male) and pistil (female) component

Question 18

permanent wilting point

Answer 18

soil moisture at which a plant wilts because the water in the soil is unavailable to the plant

Question 19

petal

Answer 19

the showy, modified leaf of a flower important for attracting pollinators

Question 20

soil

Answer 20

biochemically weathered, uppermost layer of the earths crust. It is a unique ecosystem and an essential resource for the production and growth of plants and crops

Question 21

soil fetility

Answer 21

ability of a soil to supply important checmial nutrients and essential elements to a plant

Question 22

soil organism

Answer 22

Biotic (living) entity that lives in the soil and is essential for nutrient cycling and overall soil functions. These include fungi, bacteria, earthworms, insects, rodents, snakes

Question 23

biofuel crop

Answer 23

Plant material used as a fuel source. Some examples are corn for production of ethanol, hybrid willow or switchgrass for combustible pellets.

Question 24

secondary consumers

Answer 24

consumers that eat the primary consumers

Question 25

tilth

Answer 25

beneficial qualities of soil relating to crop plant growth

Question 26

tall fescue

Answer 26

perennial forage grass native to Europe

Question 27

Vitamin D

Answer 27

can be synthesized by humans upon exposure to sunlight

Question 28

dietary sources of Vitamin A

Answer 28

meats dairy green vegetables carrots tomatoes squash

Question 29

rickets

Answer 29

= softening of the bones

Question 30

pyridoxine

Answer 30

= vitamin B6

Question 31

riboflavin

Answer 31

= vitamin B12

Question 32

dietary sources of niacin

Answer 32

turnip greens peanut meats

Question 33

niacin deficiency

Answer 33

= pellagra

Question 34

riboflavin deficiency symptoms

Answer 34

dermatitis anemia

Question 35

dietary sources of pyridoxine

Answer 35

peas meat milk beans

Question 36

dietary sources of folic acid

Answer 36

legumes green leafy vegetables whole grain

Question 37

folic acid deficiency symptoms

Answer 37

anemia fatigue

Question 38

cyanocobalmin

Answer 38

= vitamin B12

Question 39

dietary sources of vitamin B12

Answer 39

meat dairy

Question 40

vitamin B12 deficiecny symptoms

Answer 40

pernicioius anemia

Question 41

attaches the blade to the stem

Answer 41

petiole

Question 42

parts of a complete flower

Answer 42

petals pistils stamens sepals

Question 43

pistil

Answer 43

female portion of a flower that contains the ovary, style and stigma

Question 44

showy, modified leaf of a flower important for attracting pollinators

Answer 44

petals

Question 45

male component of a flower

Answer 45

stamen

Question 46

produces the pollen - contain the sperm

Answer 46

anther

Question 47

indeterminate

Answer 47

plants that have contnual stem elongation and vegetative growht after flowering and throughout the growing season

Question 48

rhizobia

Answer 48

nitrogen fixing soil bacteria that forms symbiotic relationships with legumes

Question 49

tumor like growth on the roots of legumes causes by symbiotic bacteria called rhizobia

Answer 49

nodule

Question 50

day neutral plants

Answer 50

plants that flower with any duration of day length

Question 51

vernalization

Answer 51

plant response to winter conditions of cold tempetures and reduced daylight; important for triggering flowering in the spring

Question 52

dry matter

Answer 52

= weight of all the components of a plant minus the water

Question 53

General developmental stages of plants

Answer 53

seed seedling flowering fruit see senescence

Question 54

growing degree days

Answer 54

unit measurement of heat accumulation for plants

Question 55

Layers of Earth's atmosphere

Answer 55

Troposphere Stratosphere Mesosphere Thermosphere

Question 56

How far into space does the atmosphere extend?

Answer 56

70 miles

Question 57

Governmental legislation involving agriculture and food supply

Answer 57

Farm Bill