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Types of Plant Stems MCQs
These mcqs are about 2 types of stems, Herbaceous Stem and Woody Stem
In _ category of stem, the stem remains somewhat soft and flexible
Herbaceous
Woody
Both of these
None of these
Herbaceous
All plant cells have primary cell walls made of?
Chitin
lignin
cellulose
fabrinogen
cellulose
the cells of woody plants have extra reinforcement from a secondary cell wall that contains lots of a tough compound called?
Chitin
lignin
collagen
fabrinogen
lignin
Plants that live year after year are called?
perennials
biennials
annuals
None of these
perennials
The center of the stem of herbaceous dicot consists of?
Cortex
Endodermis
epidermis
pith
pith
The center of the stem of a herbaceous dicot consists of pith (a soft, spongy tissue), which has many thin-walled cells called?
Vascular bundles
parenchymal cells
Endodermal cells
None of these
parenchymal cells
vascular bundles contain _?
Xylem
Phloem
Both of these
parenchymal cells
Both of these
Outside the vascular bundle ring is the stem’s _
cortex
bark
parenchymal cells
None of these
cortex
On the surface of the stem are the _.
epidermis
cuticle
Both of these
xylem
Both of these
The inner part of a woody stem is called?
softwood
heartwood
sapwood
None of these
heartwood
Outside the heartwood is the _
softwood
heartwood
sapwood
None of these
sapwood
Outside the vascular cambium ring is a ring of?
Phloem
xylem
Parenchyma cells
Sclarenchyma cells
Phloem
Outside the phloem is the _
bark
xylem
Parenchyma cells
Sclarenchyma cells
bark
_ help protect the stem
bark
xylem
Parenchyma cells
Sclarenchyma cells
bark
_ includes the outermost cells of the stem and a layer of cork cells
xylem
Parenchyma cells
Sclarenchyma cells
bark
bark
