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WorksheetsPlant Unit Test Review
Total questions: 50
Worksheet time: 49mins
What is the main function of the stomata in a plant?
They monitor the release of sugar.
They guard the interior cells.
They increase the rate of conversion of sunlight into energy for the plant.
They allow the exchange of gases between the plant and the atmosphere.
How does photosynthesis compare with cellular respiration in plants?
Photosynthesis requires sunlight, but cellular respiration does not.
Cellular respiration requires sunlight, but photosynthesis does not.
Carbon dioxide is released during photosynthesis, while oxygen is released during cellular respiration.
Oxygen is absorbed during photosynthesis, while carbon dioxide is absorbed during cellular respiration.
The color of a leaf with chlorophyll is ________.
red
brown
green
orange
In the fall leaves begin to turn different colors because ____.
the carbon dioxide in the air cannot reach the leaves
there is less oxygen in the air
there is too much chlorophyll in the leaves
the temperature begins to drop, and leaves cannot produce chlorophyll
Match the following5. Match the part of a plant cell with the question it best answers.
Mitochondria
Which part is like a power plant for the cell?
Cell Wall
Which part protects the cell and maintains its shape?
Chloroplast
Which part converts sunlight into energy?
Vacuole
Which part collects Water and waste products to export?
True or False: Guard cells control the opening and closing of the stomata.
True
False
True or False: Chlorophyll is the green pigment found in plants.
True
False
True or False: Oxygen is needed for photosynthesis to take place.
True
False
True or False: Carbon dioxide enters the plant through the roots.
True
False
True or False: Phloem tubes carry food through the plant.
True
False
Process of using food to provide energy/ATP
cellular respiration
process plants use to make food
photosynthesis
process plants use to get rid of waste
transipration
Which allows for the transport of water through a plant?
Phloem
Xylem
Veins
Chlorophyll
The first, most primitive, plants were _____.
angiosperms
gymnosperms
bryophytes
seedless vascular plants
How do angiosperms reproduce?
reproduces using spores
reproduces using flowers
reproduces using cones
How do gymnosperms reproduce?
reproduces using cones
reproduces using flowers
reproduces using spores
How does nonvascular seedless plants reproduce?
Spores
Cones
Flowers
Select which descriptions are Dicot
taproot
fibrous roots
netted veins in leaves
parallel veins in leaves
flower parts in multiples of 4 or 5
Select which descriptions are Monocot
taproot
fibrous roots
netted veins in leaves
parallel veins in leaves
flower parts in multiples of 3
The type of root system comprising of a single main root growing downwards is called as _________________.
fibrous root system
tap root system
This is the ripened ovary of a flower.
pollen grain
ovule
seed
fruit
THE MALE PART 0F THE FLOWER IS CALLED (a)
WHICH PART OF THE FLOWER HAS THE POLLEN
STAMEN
SEPAL
PETAL
STYLE
PISTIL
A plant's response to touch is known as _____________.
thigmotropism
phototropism
hydrotropism
gravitropism
The movement of a plant's roots toward water in the soil is known as ___________.
thigmotropism
gravitropism
phototropism
hydrotropism
For cellular respiration to occur, what two things are needed?
Sugar (glucose) and carbon dioxide
Sugar (glucose) and oxygen
Water and Carbon dioxide
Carbon dioxide and oxygen.
Sunflowers turning towards the sun is known as ________.
Hydrotropism
Phototropism
Thigmotropism
Gravitropism
Plants curling around a pole or mailbox is an example of:
Hydrotropism
Gravitropism
Phototropism
Thigmotropism
What is the purpose of the XYLEM?
To bring food from the soil to the whole plant.
To carry water and nutrients from the roots to the whole plant.
To carry food from the chloroplasts around to all parts of the plant.
Ovary
Petal
Sepal
Ovary
Petal
Stigma
Ovary
Stamen
Stigma
Ovary
Stamen
Stigma
Ovary
Petal
Stamen
Which step involves pollen from the anther making its way to the stigma of another plant?
fertilization
pollination
germination
Which step involves pollen making its way to the ovary and forming a seed?
fertilization
pollination
germination
Which step involves a seed sprouting under the right conditions?
fertilization
pollination
germination
What is the name for the force of gravity on the roots of plants?
geotropism
What is the name for the force of water on the roots of plants?
hydrotropism
What is the name for the force of touch/pressure on tendrils of vines?
thigmotropism
What is the name for the force of light attracting the shoots of plants?
phototropism
What part of a plant is most likely to show negative phototropism?
leaves
roots
shoots
What is a tropism?
the loss of water through the leaves of a plant
when a plant grows in response to a stimulus
the wilting that occurs when a plant receives insufficient water.
A plant tropism where the plant responds towards a stimulus is ____.
positive
negative
The hormone responsible for phototropism is ___.
auxin
cytokinin
ethylene
gibberellin
What makes a tropism positive or negative?
Positive = movement towards stimulus, Negative = movement away from stimulus
Negative = movement towards stimulus, Positive = movement away from stimulus
Who cares? It doesn't matter whether it is positive or negative
Positive = when a plant is happy, Negative = when a plant is sad
This example for
Internal stimuli
Thigmotropism
Phototropism
no answer correct
The diagram shows a plant growing while lying on its side. How is the plant reacting positively and negatively to gravity?
the root are reacting negatively by growing downward while the stem and leaves are reacting positively by growing upward
the root are reacting positively by growing downward while the stem and leaves are reacting negatively by growing upward
only the roots are reacting by growing downward
only the leaves and stem are reacting by growing upward
This example for
Internal stimuli
Light stimuli
Tough stimuli
Temperature stimuli
Venus Flytrap flower reacts to a bug.
Thermotropism
Negative Geotropism
Thigmotropism
Hydrotropism
