Semester 2016 Flashcards
Most true plants are:
a) heterotrophs with cellulose cell walls and an embryo housed in the body of the mother plant
b) autotrophs with cellulose cell walls and an embryo housed in the body of the mother plant
c) heterotrophs with cellulose cell walls and an embryo free of the body of the mother plant
d) Autotrophs with cellulose cell walls and an embryo free of the body of the mother plant
b) Autotrophs with cellulose cell walls and an embryo housed in the body of the mother plant
Mapou is an indigenous New Zealand plant, its scientific name is correctly written as:
a) myrsine australis
b) Myrsine australis
c) Myrsine Australis
d) Myrsine australis
d) Myrsine australis
The embryo of a seed consists of
a) Radicle, plumule and cotyledon(s)
b) Testa, radicle, plumule and cotyledon(s)
c) Radicle and plumule
d) Cotyledon(s) and testa
a) Radicle, plumule and cotyledon(s)
Just before you peel a potato for dinner you notice that is has axillary buds and bud scales on its surface. This is an example of what type of storage organ?
a) Corm
b) Stem tuber (terminal swelling of a stolon)
c) Bulb
d) Root tuber
b) Stem tuber (terminal swelling of a stolon)
The protoplasts of adjacent cells are connected via _____
Plasmodesmata
The membrane of the vacuole is called the ________
Tonoplast
Secondary cell walls are stronger and more rigid than primary cell walls because they have
a) Less cellulose and more pectin
b) Less cellulose and less pectin
c) Less cellulose, more pectin and are lignified
d) More cellulose, less pectin and are lignified
d) More cellulose, less pectin and are lignified
In a plant cell the site of membrane - bound protein synthesis is the _______
a) Smooth endoplasmic reticulum
b) Peroxisome
c) Rough endoplasmic reticulum
d) Golgi body
c) Rough endoplasmic reticulum
You cut a transverse section of pumpkin stem and just under the epidermis you notice a layer of thin-walled cell containing chloroplast. The technical name for this type of cell is _________
Chlorenchyma
You are cutting logs of pine and oak for your wood burner. You notice that the chainsaw requires more frequent sharpening when cutting the oak
a) wood of oak has less fibres than pine
b) wood of oak has more fibres than pine
c) bark of oak has more fibres than pine
d) bark of oak has less fibres than pine
b) wood of oak has more fibres than pine
Uni or multicellular extensions of the epidermal cells of leaves are known as _______
Trichomes
The primary meristem that ultimately produces the epidermis is called _______
a) Protoderm
b) Phelloderm
c) Periderm
d) Procambium
a) Protoderm
The cells that regulate the aperture of the stoma are _______
Guard cells
