WorksheetsPlants Unit Review
Total questions: 98
Worksheet time: 2hrs 49mins
Most plants lose the majority of their water through
roots
leaves
stem
flowers
The function of the root
They produce nutrients for the plant.
They hold the plants upright.
They compete with other plants for sunlight.
They absorb water and nutrients from the soil.
Which one of the following correctly describes the functions of the parts labelled X and Y?
Row A
Row B
Row C
Row D
Jordan notices that there are needle-like leaves on a tree in his backyard. Which one of the following best describes what the needles do for the plant?
Support the plant
Transport water to the roots
Make food for the plant
Produce seeds for the plant to reproduce
What is the function of a leaf?
Leaves absorb water from the soil.
Leaves are where photosynthesis takes place.
Leaves help the plant reproduce.
Leaves absorb minerals from the soil.
Select all correct answers.
What are the functions of number 2 on the diagram?
Allow movement of water and nutrients
Take in water
Perform photosynthesis
Absorb sunlight
Anchor the plant
What is the function of the flower part of a plant?
helps the plant reproduce
transports water to the leaves
makes food for the plant
provides support for the plant
Stomata are made of specialized cells called ______ which surround a tiny pore/opening
stoma
guard cells
dermal cells
diffusion channels
The main function of stomata is to
capture sunlight
protect leaves from insects
allow gases to move in and out of leaves
release sugars into the atmosphere
Different plants are designed to grow in different environments. This is called
Adaptation
Osmosis
Transpiration
Rhizomes
A plant that can produce seeds in less than two months is adapted to
moist conditions such as a swamp
a short growing season
pollination by wind
capturing sunlight
Which of the following is not an adaptation?
having long roots in a dry environment
having large leaves in a rainforest
having long roots in a rainforest
having spiky needles in a dry environment
A nice smell is an adaptation that
Helps the plant keep water inside the leaves.
Repels animals that try to eat the plant.
Attracts pollinators to the plant.
Helps the flower grow faster.
A plant with long roots and smaller flat leaves would most likely be found in.
moist conditions such as a swamp
moderately dry conditions such as the prairies
moderately moist conditions such as a forest
dry conditions such as a desert
What method of dispersal do W, X, Y and Z most likely use?
Row A
Row B
Row C
Row D
Which of the following are correct matches between the adaptation and the reason?
A and C
B and C
A and D
B and D
Jessica studied different adaptations of plants. Which adaptation would help a plant collect more energy for photosynthesis?
The life cycle of a plant is
pollination → seed → seedling → adult plant
seed → pollination → seedling → adult plant
seedling → pollination → seed → adult plant
adult → pollination → seedling → seed
What is the sticky bulb in the centre of the plants called?
Style
Anther
Stigma
Filament
What three structures make up the pistil?
ovary, style, stigma
ovary, style, sepal
ovary, sepal, stigma
ovary, stigma, filament
What surrounds the reproductive parts of the plant to attract pollinators?
Petals
Sepal
Style
Ovary
What part produces pollen?
3
4
6
7
Which number is the male reproductive part of the flower?
1
6
8
9
In order for a seed plant to create a seed, it needs to undergo the process of
Pollination
Transpiration
Diffusion
Osmosis
The male part of the flower is called the
Stamen
Ovary
Pollen
Ovule
Which one of the following statements best describes the relationship between plant X and insect Y?
Plant X helps insect Y to hide from its prey.
Insect Y depends on plant X to find its mate.
Plant X depends on insect Y to produce its nectar.
Insect Y helps plant X to pollinate its flowers.
Which of the following is the correct order for pollination to occur?
stigma → pollen tube → ovule → pollen
ovule → stigma → pollen tube → ovule
pollen → stigma → pollen tube → ovule
pollen → pollen tube → stigma → ovule
Some ways that plants reproduce naturally without seeds are
rhizomes, grafting, cuttings
grafting, runners, rhizomes
rhizomes, bulbs, runners
cuttings, suckers, runners
Which of the following correctly shows the female and male parts?
Row A
Row B
Row C
Row D
How many parents does asexual reproduction require?
0
1
2
4
In asexual reproduction, how does the DNA of the offspring compare to the parent?
The DNA is identical to the parent
Half of the DNA comes from each parent
The DNA is different than both parents
The DNA is different than the parent
Which of these is a disadvantage of asexual reproduction?
Requires less energy
Requires less time
Enables organisms to produce large amounts of offspring
Results in little genetic variation within a population
This plant reproduces by ....
runners
rhizomes
tubers
bulbs
Jennie's friend, Molly, has a beautiful African violet. Molly removes a stem and leaves from the African violet and puts it in soil, hoping to grow an African violet for Jennie. This is an example of what type of asexual reproduction?
Cloning
Grafting
Cutting
Tuber
The process of cellular respiration is
energy + carbon dioxide + water → sugar + oxygen
sugar + carbon dioxide + water → energy + oxygen
carbon dioxide + water → energy + oxygen + energy
sugar + oxygen → carbon dioxide + water + energy
The process by which water is taken into the root's cells through a membrane is
Osmosis
Diffusion
Suction
Transpiration
Diffusion is
the movement of particles from low concentration to high concentration
the gathering of particles in groups of concentrations
the spreading of particles evenly
the movement of particles from high concentration to low concentration
The process of a plant losing water through its leaves is called
Transpiration
Photosynthesis
Osmosis
Diffusion
The process of perfume moving from an area of high concentration to low concentration is called
Transpiration
Capillary action
Osmosis
Diffusion
The process of water moving across a membrane is called
Transpiration
Cellular respiration
Osmosis
Diffusion
What do plants need to have to produce their own food?
darkness, air
sunlight, air
sunlight, water, air
to be left alone
Identify the process X and substances A, B, and C.
Row A
Row B
Row C
Row D
Oxygen and sugar are the products of
reproduction
cellular respiration
photosynthesis
transpiration
What process makes energy for plants?
cellular respiration
transpiration
photosynthesis
reproduction
Some of the needs of plants are
light, water, nutrients, space
light, water, leaves, food
water, stems, roots, light
light, space, nutrients, insects
If a plant's leaf is turning yellow instead of green, what nutrient is it missing?
Potassium
Nitrogen
Phosphorus
A plant is not flowering, what nutrient might it be missing?
Potassium
Nitrogen
Phosphorus
Ms. Fu grows a lot of plants in her yard in the summer. She has noticed the flowers she planted under her trees are not growing as well as the ones on top of her deck. What need are the flowers under the tree missing?
Nutrients
Water
Space
Light
What is the most likely reason that few plants grow in the desert?
There is not enough air for most plants to survive.
There is not enough heat for most plants to survive.
There is not enough water for most plants to survive.
There is not enough sunlight for most plants to survive.
Plants get the light it needs from the…
Rain
Soil
Sun
Clear air and carbon dioxide
Plants provide us with food, fibre, and medicine. By fibre, we mean
cotton, wood, fruits
fruit, cotton, syrup
leaves, nuts, fruits
cotton, wood, paper
If you eat a piece of celery, you are eating a…
Stem
Leaf
Fruit
Roots
What use are plants not responsible for?
Protect the soil
Provide food
Provide oxygen
Provide water
Soil is made up of small particles. The spaces between the particles are filled with
plant roots or insects
water or air
nutrients or water
plant roots or water
When organic materials are partially decomposed they are called
mineral particles
vegetative runners
sandy particles
humus
Adding humus to the soil
adds nutrients and holds water
decreases nutrients and holds water
adds nutrients and salts
adds salt and decreases water
Sandy soil
feels slippery when wet
dries up quickly
contains food for plants
has a lot of humus
Which is not true for clay soil?
It is very hard when dried.
It has small pores.
It allows a lot of air flow.
It will form a tight ball.
Loam soil
will form a loose ball
feels slippery when wet
dried up quickly
does not have humus
Plants that need good drainage will grow best in
sandy soil
clay soil
loam soil
humus
This type of soil is ideal for plants. It holds a good amount of water and contains a lot of humus.
Loam
Sandy
Clay
Humus
This type of soil does not have much humus and has very little spaces for roots to spread out.
Loam
Sandy
Clay
Humus
This type of soil has too much space, so roots can not hold on. It also has little humus.
Loam
Sandy
Clay
Humus
Your family has just purchased a new home with a garden plot in the backyard. You grab a handful of soil and notice that it feels sticky and forms a tight ball when you squeeze it. It is a brownish color and seems to hold a lot of water. You will tell your parents that the garden contains what type of soil?
Loam
Clay
Sandy
Humus
This type of soil has very little humus, has very little space, holds moisture too well, and can be any colour based on the minerals that are found. What type of soil is described?
Loam
Clay
Sandy
Humus
Which of the following would degrade soil?
Fertilizer
Irrigation
Clearing land
Crop rotation
When a living resource is being used up faster than it can be replaced, it is called
sustainable use
environmentally unstable
extinct
non-sustainable use
Two types of fertilizer are
humus and hydroponics
organic and humus
chemical and humus
chemical and organic
Poor irrigation can cause problems because
too little water fills the pores in the soil
too much water will not dissolve the salts in the soil
too little much promotes super seed germination
too much water is a problem in sandy areas
An advantage of clearing the land of plant cover is
to reduce the competition between crop plants and natural plants
make the soil be exposed to the weather, such as sunlight
to compact the soil together to keep it in place
it’s good for the environment
Which of the following is not an effect of clearing land (removing the vegetation)?
soil compaction
warmer, drier soil
increased soil nutrients
erosion
Repeated ploughing makes the soil like clay because
it breaks the soil into smaller pieces
it removes soil nutrients
it makes the soil compact easily
increases the amount of water in the soil
Irrigation would be applied
to nutrient rich soils
to nutrient low soils
in areas that are dry
in areas that are wet
Crop rotation
is planting the same plants in the same place year after year
is a practice used by farmers so that the nutrients in the soil will not be depleted
is the farming practice in which different crops are grown in a field every year
is an artificial way to add nutrients to the soil
A building company is interested in creating a new sub-division (blocks of houses). In order to complete this and create room for the houses, the company needs to
irrigate the land
clear the land
fertilize the land
crop rotate the land
Which of the following problems are due to pesticide use?
creating resistant pest species
harming non-target organisms
residue build-up in soils and water systems
increase in beneficial pollinators
Encouraging bluebirds to live on a farm as a means to control grasshoppers is an example of:
herbicide use
insecticide use
biological controls
crop rotation
Three of the following technologies help to reduce soil erosion. Which one does not belong?
irrigation
shelter belts (planting trees along fields)
zero tillage (no plowing)
crop rotation
Adding organic matter to soil _______________ soil fertility.
does not change
disturbs
decreases
increases
Technology by which plants are grown without soil:
Hydroponics
Monoculture
Crop rotation
Organic food
Alternating crops from year to year is called
selective breeding
crop rotation
monoculture
biological control
Yield means
to give up farming because of expenses
the amount of humus in one hectare of land
the amount of useful plant part produced per plant
the amount of fertilizer applied per hectare
A disadvantage of selective breeding is...
having crops with larger fruit
reduction of genetic diversity in the plant
doesn't require soil for the plant to grow
makes plants naturally resistant to insects
A method of obtaining crops with specific traits is
monoculture
selective breeding
irrigation
organic food
Ways of controlling pests and weeds are
herbicides, pesticides and biological controls
varying the amount of water
fertilizers
changing the type of crop grown
When growers and scientists work together to get more useful parts per plant, they are trying to increase
Yield
Stability
Resistance
Sustainability
What is used to kill plants that are harmful and interfere with the growth of crops?
Pesticides
Herbicides
Fungicides
Insecticides
What is used to kill insects that are harmful and interfere with the growth of crops?
Pesticides
Herbicides
Fungicides
Insecticides
Martin has a large monoculture farm. What does this mean?
Only one crop is planted
Only one area of land is used
Only one type of farming is used
Only one season of the year is used to grow crops
One of the effects of monoculture farming practices is that pests feeding on that crop have a large food supply. Monoculture is also a practice that lowers…
Cost of pesticides
Crop yield
Biodiversity
Natural predators
Mrs. Forsyth is conducting an experiment to see if plants grow better in dirt from the playground or soil from the store. What should she measure to determine which one grows better?
The colour of the soil
The amount of soil
The height of the plants
The smell of the leaves
What is the manipulated variable in this experiment?
number of seeds
amount of water
percent germinated
Amount of time
Which of the factors must Joshua keep the same in order to ensure that it is a fair test?
The speed of the electric fan.
The height from which he released the helicopter plant.
The distance between the electric fan and the helicopter plant.
How long the plant stays in the air.
Which of the following is the question Joshua was investigating?
What effect does wing length have on how long it takes for the helicopter plant to reach the ground?
What effect does fan speed have on how long it takes for the helicopter plant to reach the ground?
Which helicopter plant has the longest wing length?
Which helicopter plant stays in the air the longest?
What is the relationship between the mass of the seed leaves and the mass of the seedling?
There is no relationship between the mass of the seed leaves and seedlings.
As the mass of the seedling increases, the mass of the seed leaves increases.
As the mass of the seedling increases, the mass of the seed leaves decreases.
As the mass of the seedling decreases, the mass of the seed leaves increases.
Which of the two pots of seedlings should Gurleen observe to make a fair comparison?
A and B
A and E
B and D
C and D
The table shows the results of an experiment. The same number of lettuce seeds was planted in three pots of soil and in the holes of three sponges. Each set of seeds was given different conditions. Some seeds received water, some received sunlight, and some received both water and sunlight.
Which do lettuce seeds require to sprout?
Soil
Water
Sunlight
Unable to determine
