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Plant anatomy and physiology

Total questions: 55

Worksheet time: 35mins

Name
Class
Date
1.

What does xylem carry up the stem?

a)

Water

b)

Nutrients

c)

Water and MInerals

d)

None of the above

2.
What does phloem carry up the stem
a)
Sugar
b)
Water
c)
Oxygen
d)
All of the above
3.
Xylem tissue is made up of dead cells
a)
True
b)
False
4.

Root hairs are...

a)

Mycorrhizal fungi that look like hair

b)

cells that are part of Phloem tissue

c)

tiny extensions of the root to help with absorption

5.

Cohesion is...

a)

water molecules attracted to other water molecules

b)

water molecules attracted to other molecules

c)

water molecules evaporating through the leaf

6.
An example of adhesion is
a)
Water molecules sticking to each other
b)
Water molecules sticking to cellulose in xylem walls
c)
Magnets sticking to a metal wall
d)
Gravity pulling water down
7.

What are guard cells?

a)

Cells that regulate photosynthesis

b)

Cells that push nutrients and water up xylem

c)

Cells that turn sunlight into energy

d)

Cells that regulate water loss through stomata

8.

How is the age of a tree determined?

a)

The height

b)

The number of leaves

c)

The xylem rings

d)

The phloem rings inside the trunk

9.

IN this structure, water moves UP

a)

Xylem

b)

Phloem

10.
Both the xylem and phloem are considered-
a)
Stomata
b)
Leaves
c)
Roots
d)
Vascular tissue
11.
Opening that allows gas exchange
a)
Stomata
b)
Leaves
c)
Roots
d)
Vascular tissue
12.
Water exits the leaf through the __.
a)
Stomata
b)
Flower
c)
Roots
d)
Phloem
13.
The male part of the flower is known as the _____.
a)
stamen
b)
pistil
c)
ovary
d)
petal
14.
What is #3 pointing to?
a)
stigma
b)
filament
c)
ovary
d)
anther
15.
What is #4 pointing to?
a)
anther
b)
style
c)
stigma
d)
ovary
16.
What is #6 pointing to?
a)
stigma
b)
style
c)
ovary
d)
petal
17.
What supports the plant and holds the leaves up to the light?
a)
roots
b)
stem
c)
xylem
d)
phloem
18.
What anchors the plant, absorbs water and nutrients from the soil, and stores food for the plant?
a)
leaves
b)
stem
c)
xylem
d)
roots
19.
What increases the surface area of the roots so they can absorb more water and nutrients from the soil?
a)
leaves
b)
xylem
c)
root hairs
d)
filaments
20.
What are the colorful, sometimes scented, parts of the flower that attract insects and other animals for pollination?
a)
petals
b)
sepals
c)
stigmas
d)
styles
21.
What is the sticky top of the pistil where pollen grains land during pollination?
a)
anther
b)
filament
c)
stigma
d)
style
22.
What is the tube that grows down the style of the pistil after pollination and takes the pollen which contains the sperm to the egg?
a)
pollen tube
b)
stigma
c)
style
d)
anther
23.
What grows from the ovary in the flower to protect the seeds?
a)
embryo
b)
seed coat
c)
fruit
d)
phloem
24.
What are plants' responses to changes in their environment by growing their stems, roots, or leaves toward or away from a stimulus?
a)
xylems
b)
stigmas
c)
tropisms
d)
dormants
25.
What is the way a plant grows or responds to light called?
a)
photosynthesis
b)
phototropism
c)
hydrotropism
d)
thigmotropism
26.

Roots grow towards gravity and shoots grow away from gravity. This is known as

a)

hydrotropism

b)

phototropism

c)

gravitropism

d)

thigmotropism

27.
What is #1 pointing to?
a)
ovary
b)
petal
c)
stigma
d)
stamen
28.

The female part of the flower is known as the ____.

a)

stamen

b)

anther

c)

filament

d)

pistil or carpel

29.
What is #7 pointing to?
a)
anther
b)
ovary
c)
ovule
d)
petal
30.
Where is pollen made?
a)
ovary
b)
petal
c)
pistil
d)
anther
31.
Which of the following processes is responsible for the bending of the stem of a plant toward a light source?
a)
The amount of chlorophyll produced on the side facing the light increases
b)
The rate of cell division on the side facing the light increases
c)
The rate of cell division on the side away from the light increases
d)
The cells on the side of the stem away from the light elongate
32.
Which of the following mechanisms is most important in the movement of water from root to leaves in the xylem?
a)
gravity
b)
root pressure
c)
transpiration
d)
osmosis
33.
Hydrogen bonding plays a particularly important role in which plant process?
a)
Bulk flow of solutes from source to sink
b)
Photoperiodism resulting in flowering
c)
Attraction of the sperm and egg
d)
The transpiration-cohesion-tension mechanism
34.
How does the sperm of flowering plants reach the egg?
a)
Via a pollen tube that grows from the pollen grain through the carpel tissues to the egg
b)
Via raindrops of a dew film that allows the sperm to swim from the male plant to the female plant
c)
Usually via an insect, which places sperm in the ovary while probing for nectar
d)
By actively swimming down though the style to the egg
35.

Plants that have xylem and phloem in true roots, stems and leaves are called ____.

a)
nonvascular plants
b)
vascular plants
c)
seed plants
d)
spore plants
36.
____ are plants that produce naked, or not covered, seeds.
a)
Nonvascular
b)
Vascular
c)
Gymnosperms
d)
Angiosperms
37.

Plant Hormone that causes leave and stems to respond positively to light.

a)

Long-day plan

b)

Day Neutral Plant

c)

Choloraphyll

d)

Auxin

38.
primary growth in plants starts in 
a)
apical meristem
b)
lateral meristem
c)
tracheids
d)
vascular cambium
39.
hormone for ripening fruit
a)
abscisic acid
b)
gibberlin
c)
auxin
d)
ethylene
40.

Which are growth hormones that are produced by the apical meristem?

a)

Gibberelins

b)

Auxins

c)

Cytokins

d)

Etiolations

41.
In which structure does photosynthesis take place?
a)
Cuticle
b)
Epidermis
c)
Palisades mesophyll
d)
Guard cells
42.
This type of plant has netted veins in their leaves.
a)
dicot
b)
monocot
c)
broad leaf
d)
needle leaf
43.
A layer of delicate tissue between the bark and the wood that produces new xylem and phloem.
a)
cambium
b)
cortex
c)
vascular bundle
d)
mesophyll
44.

So from top to bottom, a leaf's structure is

a)
  1. Palisade cells
  2. Waxy cuticle and epidermis cells
  3. Spongy mesophyll
  4. Epidermis and cuticle, with stomata
b)
  1. Waxy cuticle and epidermis cells
  2. Palisade cells
  3. Spongy mesophyll
  4. Epidermis and cuticle, with stomata
c)
  1. Epidermis and cuticle, with stomata
  2. Waxy cuticle and epidermis cells
  3. Palisade cells
  4. Spongy mesophyll
d)
  1. Waxy cuticle and epidermis cells
  2. Spongy mesophyll
  3. Palisade cells
  4. Epidermis and cuticle, with stomata
45.

What happens when you place an over ripe banana in a fruit bowl with other fruit?

a)

Nothing will happen

b)

The other fruit will grow in size

c)

Ethylene gas will cause the fruit to grow mold

d)

Ethylene gas will cause the other fruit to ripen

46.

Where is auxin formed

a)

Tip of stem and root

b)

Leaves

c)

Embryo

d)

All

47.

Which statement correctly identifies the substance and direction it is transported in the xylem?

a)

Water, only upwards

b)

Glucose, only upwards

c)

Water, up and down the plant

d)

Glucose, up and down the plant

48.

What is the best words to describe sugar source and sugar sink

a)

Both are plants organ and act as storage

b)

Sugar sink can be either roots, fruit or mature leaves and sugar source is shoots

c)

Sugar source act as site for sugar production and sugar sink will store sugar

d)

Companion tube carry food from a sugar source to a sugar sink

49.

Movement of sugar from source to other parts of plant is completed by

a)

active transport of sugars

b)

diffusion of sugars

c)

osmosis of sugars

d)

capillary action

50.

In water transport, water is _____________ up the xylem

a)

actively transported

b)

pulled up by cohesion

c)

pushed up by water pressure

d)

diffusion

51.

In phloem, sucrose and sugars are actively transported. This creates a high concentration of solutes. What will happen next?

a)

water will enter the phloem and create a water pressure

b)

water will be pulled up through the xylem

c)

water will be actively transported next

d)

plants will close their guard cells to conserve water

52.

#1 - outermost layer and not made of cells; helps regulate water loss.

a)

Epidermal cells

b)

Palisade cells

c)

Xylem cells

d)

Waxy cuticle

53.
Identify the marked structure above.
a)
Spongy Mesophyll
b)
Palisade Mesophyll
c)
Upper Epidermis
d)
Guard Cell
54.
Identify the marked structure above.
a)
Guard Cell
b)
Stroma
c)
Upper Epidermis
d)
Vascular Bundle
55.
Identify the marked structure above.
a)
Spongy Mesophyll
b)
Lower Epidermis
c)
Stoma
d)
Cuticle

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