WorksheetsBio50 - T2 SWQ1 revision
Total questions: 60
Worksheet time: 27mins
Which of the below is NOT a plant organ?
Stem
Root
Vascular bundles
Leaves
Which of the below is NOT a function of the roots?
Anchor plants in the ground
Hold soil in place
Absorbs water
Absorbs dissolved nutrients and minerals from soil
Provides support for the plants body
Which plant organ holds and produces leaves and fruits?
Stem
Wood
Roots
leaves
How are leaves adapted to capture maximum sunlight?
Leaves are broad and flat
Leaves contain vascular bundles
Leaves are attached to stem by petiole
Leaves have the stomata on the underside
What substances can move in and out of leaves via the stomata?
CO2/H2O/O2
Sugar/CO2/H2O
CO2/O2
Sugar/O2
Which of the below are NOT plant tissues?
Dermal
Vascular
Root hair
Ground
Identify which organ the picture above comes from?
Dicot stem
Monocot stem
Dicot root
Monocot root
Identify the type of tissues represented as red and yellow in the image above.
Red=phloem and yellow=xylem
Red=xylem and yellow=phloem
ground
dermal
Identify the organ used to take this cross section from?
Stem
Fruit
Leaves
Roots
Which organ is shown in the image above?
Dicot, root
Monocot, root
Dicot, stem
Monocot, root
Which special cell is found in the outer brown layer represented in the image above?
Root hair cell
Casparian strip
Tracheids
Collenchyma
The function of the cuticle found on the surface of plants is _____.
to protect against water loss
to protect against excess sun absorption
to increase surface area and maximize water absorption
to attract insects to encourage pollination
Tracheids are thin tubes that help transport water and provide support to the plant due to the material ______.
lignin
pits
companion cells
vessel elements
Which structure allows water to leave the tracheids, and flow into surrounding tissues?
Pits
Stomata
companion cells
lignin
How is the sieve tube elements kept alive?
By companion cells
By producing ATP
By allowing water and nutrients to flow through them
Identify the type of ground tissue A, B and C in the figure above.
A: Parenchyma, B: Collenchyma, C:Sclerenchyma
A:Sclerenchyma , B: Collenchyma, C:Parenchyma
A:Collenchyma , B:Parenchyma , C:Sclerenchyma
Which ground tissue A, B or C in the figure above would be used for seed coats?
C: Sclerenchyma
C: Parenchyma
B: Collenchyma
Which undifferentiated cells in plants are able to undergo mitosis and produce specialized cells in the roots and tips of stems?
Meristem
Stem
Endodermis
Pith
Which type of tissue would you expect to find in the image above?
Apical meristem
Floral meristem
Vascular meristem
Identify which root system is a dicot taproot?
A
B
Which root system, A or B, prevent topsoil being washed away during heavy rain?
A
B
Identify the tissue labelled ? in the figure above?
Ground
Vascular
Dermal
Epidermal
Identify the structure shown in the image above?
Dicot stem
Dicot root
Monocot stem
Monocot root
Identify the structure shown in the image above?
Monocot root
Dicot root
Dicot stem
Monocot stem
Which of the below is an advantage of the root hair structure shown in the figure above?
Increases surface area to maximize water absorption
Protects the root from damage
Prevents water leaking back out into the soil
Helps to anchor the plant in the ground
Identify which letter represents the endodermis where the Casparian strip is.
A
B
C
D
Which of the following is the function of the Casparian strip in roots?
To force water through the middle of the endodermal cell
To control and filter the water and minerals entering the vascular tissue
To allow water to enter the phloem easily
To prevent water flowing back out of the root
Which of the following types of transports allows roots to absorb water and minerals?
Active transport
Osmosis
Bulk transport
Which of the following forces explains how water moves up the xylem against the force of gravity?
Root pressure
Transpirational pull
Capillary action
Translocation
Identify the structure labelled with an arrow.
Bud
Node
Petiole
Apical meristem
Which of the below correctly describes the cross section of a monocot stem?
Vascular bundles are scattered randomly throughout the stem.
Xylem is arrange in a circular pattern
Xylem and phloem tubes arranged in 2 separate circles
Found tissue scattered randomly
Where are piths found?
In the center of a dicot stem
In the center of a monocot root
On the outer surface of vascular bundles
In-between xylem tubes
What type of growth results in elongation of apical meristem cells?
Primary growth
Secondary growth
Which two tissue types are involved in secondary growth in a stem?
Cork cambium
Vascular cambium
Apical meristem
Floral meristem
What type of wood is found in region A?
Heartwood
Sapwood
Bark
Hard wood
Estimate the age of this tree
17
38
56
101
Which of the following structures are found in the bark?
Phloem
Cork
Cork cambium
Vascular cambium
Xylem
Which of the following specialized ground tissue is found in leaves?
Parenchyma
Collenchyma
Sclerenchyma
What is the function of layer A in the image above?
Reduce the rate of transpiration
Increase the rate of evaporation to keep the plant cool
Protect the cuticle from sun damage
Allow gaseous exchange for the plant
Which structure/s in leaves A-I contains the most chloroplasts?
B
C
D
F
E
Identify the cells labelled D in the figure above.
Guard cells
Stomata
Mesophyll
Cuticle
Epidermis
Which structure in the image above allows transpiration to occur?
A
G
H
E
__________ is the loss of water vapor from outer parts of a plant.
Transpiration
Osmosis
Root pressure
Guttation
Stomata opening are controlled to ensure the right about of water is maintained in a plant. This control is called ______.
Transpiration
Wilting
Homeostasis
Guttation
Which of the images below shows wilting?
The red dashed lines in the image above represents ______.
Cohesion
Adhesion
Repulsion
Transpirational pull
The green dashed lines in the image above represents _____.
Hydrogen bonds
Cohesion
Adhesion
Transpirational pull
What properties of the xylem allows water to move up?
Cellulose wall
Narrow diameter
Pits
Companion cells
The pressure flow hypothesis relies upon which of the following?
Source
Sink
Root pressure
Transpirational pull
Which process is represented by the arrow labeled process X in the image above?
Diffusion
Active transport
Osmosis
Pressure flow
What type of tropism causes the stem to grow up and the roots to grow down?
Gravitropism
Phototropism
Photoperiodism
Thigmotropism
Chemotropism
Which hormone is responsible for stimulating apical growth of the stem at the same time inhibiting lateral growth of buds?
Auxin
Cytokinins
Giberellins
Ethylene
Abscisic acid
At which auxin concentration are the stems stimulated to grow the most?
10-6
10-10
10-1
10--8
How is the growth of the roots affected by the auxin concentration at which stems grow the most?
inhibited
unaffected
stimulated
If you were a farmer, what concentration of auxin should you apply to your fields to produce the largest carrot roots?
10-6
10-10
10-9
10-1
Which hormone works with auxin to balance the growth in roots and shoots?
Cytokinins
Abscisic acid
Ethylene
Giberellin
Which hormone is responsible for the excessive growth in plants as shown in the image?
Gibberellin
Auxin
Cytokinin
Ethylene
Which hormones work in opposites to maintain homeostasis in a plant?
abscisic acid and gibberellin
auxin and abscisic acid
Cytokinins and ethylene
ethylene and gibberellin
Identify if this is a short day or long day plant by studying the image below.
Short day plant
Long day plant
Plant neutral
If a short day plant received the hours of day and night shown in the image, would it flower?
No
Yes
