Lecture 1 - Introduction

Question 1

General life cycle of a plant

Answer 1

seed - seedling - vegetative growth - flowering - reproductive growth - senescence

Question 2

what purpose do pigments and chemicals typically serve in a plant

Answer 2

attraction and protection

Question 3

Tissue and organ location of sucrose

Answer 3

tissue = storage parenchyma
organs = root and stem

Question 4

Tissue and organ location of fructan

Answer 4

tissue = storage parenchyma
organs = root and stem tubers

Question 5

Tissue and organ location of starch

Answer 5

tissue = endosperm and storage parenchyma
organs = seeds (cereals) and tubers

Question 6

Tissue and organ location of cellulose

Answer 6

tissue = epidermal and secondary xylem
organs = seed fibres and stem

Question 7

Tissue and organ location of oils

Answer 7

tissue = cotyledons and storage parenchyma
organs = seeds and fruit

Question 8

Tissue and organ location of rubber

Answer 8

tissue = secondary phloem latex
organ = stem

Question 9

Tissue and organ location of protein

Answer 9

tissue = endosperm (cereals) and cotyledons (legumes)
organ = seeds

Question 10

where are the products from plants (such as sucrose, fructan, cellulose, starch, oil, etc.) derived from

Answer 10

the plant metabolism

Question 11

what makes a plant autotrophic

Answer 11

they can make their own chemicals from simple molecules like CO2 or carbonates

Question 12

how does a plant take up C, H, and O

Answer 12

through gas exchange through their leaves and sunlight
take up H2O through roots

Question 13

how do plants take up other nutrients like N, P, and K

Answer 13

roots

Question 14

what are some challenges for plants

Answer 14

Diurnal - metabolism is geared to fit day/night and seasonal factors
static - cannot move (harder to access nutrients and protect themselves)