Plants and Soil

Question 1

What does Ethylene do?

Answer 1

Ripens Fruit
Release of Dormancy
Stimulates shoot root growth
Stimulate leaf abscission

Question 2

What is the Stigma?

Answer 2

Female Part of the Flower
Top of pollen receptable
becomes style leads to ovary

Question 3

Pistil?

Answer 3

Femal Collective Part of Flower

Question 4

Cytokinin’s?

Answer 4

Control major growth periods of the plant.
Links to ethylene to control abscission flowers leaves fruits.

Question 5

Anther/Filament

Answer 5

Pollen produces Stamen

Question 6

Photosynthesis

Answer 6

Creates Glucose (food) for the plant with chlorophyl

Requires: Carbon Dioxide, Sunlight and Water.
6CO2 + 6H20 –> C6H12O6 + 6O2

Question 7

Structure of Soil

Answer 7

Three types

Sand
Clay
Silt

Question 8

Nitrogen

Answer 8

Macro Nutrient

Involved in cell function division, protein synthesis, transfer of energy.

Question 9

Epigeal Germination

Answer 9

Cotyledons are pushed out of the ground to provide energy until first true leave start photosynthesizing.

Question 10

Hypogeal Germination

Answer 10

Cotyledons stay underground to provide energy until first leaves can start to photosynthesize.

Question 11

Nitrification

Answer 11

Nh4+ ions are oxidized (broken down) to nitrate no2- then to no3- (nitrate)

Question 12

Bacteria responsible for nitrification

Answer 12

Nitrosomonas
Nitrobacter