WorksheetsFinal Exam Review
Total questions: 158
Worksheet time: 3hrs 43mins
Name
Class
Date
1.
What is force?
a)
A force is a push or a pull upon an object
b)
The rate at which an object changes its velocity.
c)
It is the amount of space between two points.
d)
It is Superman's power
2.
How is work defined?
a)
the amount of energy
b)
the transfer of force over a distance
c)
rate of work in a given time
d)
the change in distance in a given time
3.
What formula do we use to calculate the amount of work done on an object?
a)
W= mass x acceleration
b)
W= mass x distance
c)
W= force x distance
d)
W= mass x force
4.
The purpose of a simple machine is to decrease the amount of ___________ by increasing the _______________.
a)
force ; distance
b)
distance ; force
c)
work ; distance
d)
work ; force
5.
How do simple machines affect the amount of work done on an object?
a)
Simple machine decrease the amount of work done
b)
Simple machines increase the amount of work done
c)
Using a simple machine does not change the amount of work done.
d)
None of the above
6.
What is biodiversity?
a)
Variety of non-living organisms on Earth
b)
Variety of life on Earth
c)
Study of Life
d)
All of the above
7.
An area that has greater biodiversity has greater ____________________.
a)
Consumption
b)
Temperature
c)
Levels of oxygen
d)
Sustainability
8.
Which biome is characterized by low temperatures and low amounts of rainfall?
a)
tundra
b)
desert
c)
temperate deciduous forest
d)
tropical rain forest
9.
Which biome, because of its climate, has the largest number of species of plants and animals?
a)
tundra
b)
desert
c)
rain forest
d)
pine forest
10.
Which biome receives between 0 to 25 centimeters of rain per year, has a temperature range of 0 to 50 degrees Celsius, has poor soil, and is home to lizards, scorpions, and snakes?
a)
desert
b)
mountain
c)
taiga
d)
tundra
11.
Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?
a)
taiga
b)
tundra
c)
deciduous forest
d)
grassland
12.
Which biome is the largest?
a)
Desert
b)
Marine
c)
Grassland
d)
Tropical Rainforest
13.
A chemical change results in....
a)
A new substance
b)
The same substance, different appearance
c)
No substance
d)
None of the above
14.
An example of a physical change is...
a)
Chewing food with your teeth
b)
Enzymes breaking down food
c)
Stomach acid mixing and breaking down food into smaller molecules
d)
Salivary amylase breaking down carbohydrates
15.
What energy transformation occurs during digestion?
a)
chemical --> electrical
b)
mechanical --> chemical
c)
chemical --> mechanical
d)
thermal --> radiant
16.
What type of energy does food contain?
a)
Thermal
b)
Chemical
c)
Radiant
d)
Mechanical
17.
Digestion begins here.
a)
mouth
b)
stomach
c)
San Antonio
d)
small intestine
18.
What is photosynthesis?
a)
How autotrophs produce their own food using radiant energy from the sun
b)
the answer is the first one
c)
I said the first one
d)
..... -_-
19.
What energy transformation occurs during photosynthesis?
a)
chemical --> raditant
b)
radiant --> chemical
c)
thermal --> chemical
d)
Electrical --> chemical
20.
What are the products of photosynthesis?
a)
water, glucose, oxygen
b)
glucose and oxygen
c)
water, sunlight, carbon dioxide
d)
glucose, oxygen, and radiant energy
21.
What are the reactants of photosynthesis?
a)
water, radiant energy, carbon dioxide
b)
glucose, carbon dioxide, water
c)
oxygen, carbon dioxide, water
d)
glucose and oxygen
22.
What is the water pressure inside the plant's cell called?
a)
Plant pressure
b)
Water pressure
c)
Turgor Pressure
d)
External Pressure
23.
What force pulls plant roots downward?
a)
gravity
b)
friction
c)
air resistance
d)
none of the above
24.
Which of the following is a decomposer?
a)
Bald Eagle
b)
Snail
c)
Mushroom
d)
Rat
25.
Organic matter that is trapped below ground for very long periods of time may become...
a)
Ammonia
b)
Fossil Fuels
c)
Limestone
d)
Aquifers
26.
Nucleotides and DNA are examples of this organic molecule:
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
27.
Fatty acids such as butter and oils and phospholipids are examples of this organic molecule:
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
28.
Which of the following is NOT a type of organic compound?
a)
carbohydrates
b)
water
c)
lipids
d)
proteins
29.
Cl
a)
Element
b)
Compound
30.
C2H12O3
a)
Element
b)
Compound
31.
Is C2H12O3 an organic or Inorganic Compound?
a)
Inorganic
b)
Organic
32.
Is NaCl (table salt) a Organic or Inorganic Compound?
a)
Inorganic
b)
Organic
33.
What 4 elements can be found in organic compounds?
a)
Carbon, Hydrogen, Nitrogen, Oxygen
b)
Carbon, Sodium, Hydrogen, Cobalt
c)
Iron, Sulfur, Neon, Helium
d)
Carbon, Hydrogen, Sulfur, Helium
34.
How are decomposers important in the cycling of matter?
a)
A.Decomposers kill nutrients
b)
B.They break down dead organisms and put nutrients back into the soil
c)
C.Decaying matter takes a long time to recycle
d)
D.Decomposers are composed of hydrogen and titanium
35.
Why is composting important?
a)
A.It allows the nutrients in organic waste to be released
b)
B.It allows worms a safe place to hide
c)
C.It allows others to be warned of danger
d)
D.It allows matter to be created
36.
Composting
a)
A.Is best when flooded with water
b)
B.Gets rid of scavengers in your yard
c)
C.Creates useful nutrients for soil
d)
D.Takes nutrients from the soil
37.
The greenhouse gas having the greatest role in human-caused global warming is
a)
methane
b)
carbon dioxide
c)
CFCs (chlorofluorocarbons)
d)
ozone
38.
The main human activity that releases greenhouse gases is
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
39.
Carbohydrate break down into _____________; Lipids break down into __________________; & Proteins break down into _______________
a)
Amino acids; fatty acids; simple sugars
b)
simple sugars; fatty acids; amino acids
c)
fatty acids; simple sugars; amino acids
d)
fatty acids; amino acids; simple sugars
40.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
41.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
42.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
43.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use.
b)
How much energy a particular organism needs.
c)
How much energy is needed to build a pyramid.
d)
The amount of energy available to the next 'feeder' in a food web.
44.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
45.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
46.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
47.
The process by which rocks are broken down chemically or physically is known as:
a)
Weathering
b)
Erosion
c)
Deposition
d)
Transportation
48.
When wind, water, or ice leave materials in a location, this is known as:
a)
Weathering
b)
Erosion
c)
Deposition
d)
Transportation
49.
Which of these substances plays the most important part in chemical weathering?
a)
Wind
b)
Water
c)
Ice
d)
Frost
50.
The process of liquid water seeping into the cracks in rocks and then freezing; breaking them apart is called...
a)
ice wedging
b)
exfoliation
c)
abrasion
d)
Animal Action
51.
What is an enormous mass of ice moving over land?
a)
Ice wedging
b)
Glacier
c)
Iceberg
d)
Dune
52.
Which of the terms describes the process of acid rain wearing away limestone?
a)
Cryptic Erosion
b)
Chemical Weathering
c)
Cryptobiotic Weathering
d)
Chemical Erosion
53.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
eutrophication
c)
secondary succession
d)
intermediate
54.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
55.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
56.
succession that occurs in an area with no soil
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
57.
succession that occurs in an area where soil is already present
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
58.
starts with bare rock followed by lichen
a)
primary succession
b)
secondary succession
c)
both types of succession
59.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
d)
Lichens convert carbohydrates into fossil fuels.
60.
any coloring shape or pattern that allows an organism to blend in with its environment
a)
camou
b)
my sweatshirt
c)
camouflage
d)
hunting
61.
What was the name of the scientist who had the theory of evolution?
a)
Lamarck
b)
Einstein
c)
Washington
d)
Darwin
62.
The goal of every species on earth is...
a)
to survive and reproduce
b)
divide and conquer
c)
survive and conquer
d)
reproduce and die
63.
The process that explains survival and shows how species can change over time.
a)
Adaptation
b)
Natural Selection
c)
Variation
64.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
65.
A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?
arachnids and insects?
a)
Jointed legs
b)
Body segments
c)
Presence of eyes
d)
Presence of antennae
66.
This scientist discovered and named the cell.
a)
Robert Hooke
b)
Anton Van Leeuwenhoek
c)
Goldberg
d)
Mathias Schleiden
67.
Which of the following is NOT a cell theory.
a)
All non-living things are made of cells
b)
All cells come from pre-existing cells
c)
Cells are the basic unit of structure and function of all living things
68.
Cells work together to make the following.
a)
tissues
b)
organs
c)
organ systems
d)
organism
69.
Tissues work together to make the following.
a)
cells
b)
organs
c)
organ systems
d)
organism
70.
Organs work together to make the following.
a)
cells
b)
organs
c)
organ systems
d)
organism
71.
This type of cell needs a cell wall and chloroplasts
a)
Plant cell
b)
Animal Cell
c)
Bacteria
72.
The powerhouse of the cell is the...It converts energy from food into energy the cell can use
a)
Mitochondrion
b)
Golgi body
c)
Nucleus
d)
Ribosomes
73.
Where are proteins made? These are small, grain-like or rod shaped organelles.
a)
Golgi body
b)
Mitoichondrion
c)
Chromosomes
d)
Ribosomes
74.
This organelle is in both plants and animals. It is a barrier between the cell and the environment. It controls what goes in and out of a cell.
a)
cell wall
b)
cell membrane
c)
cell organelles
d)
mitochondria
75.
This cell part is in ALL cells. It is the gel-like substance that provides cell shape.
a)
Chloroplasts
b)
Chromosomes
c)
Cytoplasm
d)
Mitochondria
76.
This organelle is in all eukaryotic cells. It is the control center of the cell because it holds the DNA.
a)
Mitochondria
b)
Nucleus
c)
Chloroplasts
d)
Ribosomes
77.
Plants perform photosynthesis through this organelle. It captures energy from the sun and uses it to produce food for the cell.
a)
Chlorophyll
b)
Chloroplasts
c)
Mitochondria
d)
Golgi Apparatus
78.
This structure is only in plant cells. It is outside of the cell membrane and adds more support/structure to the plant.
a)
Cell membrane
b)
Cell Nucleus
c)
Cell Wall
d)
Endoplasmic Reticulum
79.
This structure is a storage area for the cell. Plants usually have one large one.
a)
Lysosome
b)
Vacuole
c)
Ribosome
d)
Golgi Body
80.
This structure packages and distributes proteins throughout the cell.
a)
Golgi Body
b)
Lysosome
c)
Ribosome
d)
Mitochondria
81.
What is a phenotype?
a)
The expression of a trait; physical appearance.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
82.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
83.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
84.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
85.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
86.
Where is our DNA located?
a)
In the chloroplast
b)
On our chromosomes in the nucleus
c)
Floating freely in the cytoplasm
d)
None of the above
87.
How many parents does asexual reproduction involve?
a)
one
b)
two
c)
three
d)
four
88.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
89.
If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is -
a)
identical to only one parent
b)
identical to all of its siblings
c)
a unique combination of traits
d)
the recessive traits of each parent
90.
The ___________________ is the body system that helps the body use air that is inhaled.
a)
muscular system
b)
circulatory system
c)
respiratory system
91.
Which system acts as a barrier against infection and UV radiation and helps regulate body temperature?
a)
integumentary
b)
muscular
c)
digestive
d)
circulatory
92.
Which system eliminates waste products and helps maintain homeostasis?
a)
excretory
b)
respiratory
c)
circulatory
d)
digestive
93.
Which system helps with voluntary and involuntary movement; helps circulate blood and move food through the digestive tract
a)
muscular
b)
skeletal
c)
immune
d)
excretory
94.
This system transport oxygen, nutrients, and wastes and collects fluid lost from blood vessels and returns it to the bloodstream
a)
circulatory
b)
respiratory
c)
skeletal
d)
digestive
95.
This system breaks down food into nutrients the body can absorb.
a)
digestive
b)
excretory
c)
reproductive
d)
immune
96.
Which system produces sperm and egg cells? In females, it also nourishes the fetus.
a)
reproductive
b)
endocrine
c)
nervous
d)
immune
97.
This system sends chemical messages (hormones) that regulate growth, development, and metabolism.
a)
endocrine
b)
nervous
c)
immune
d)
skeletal
98.
Water stored below the Earth's surface is called:
a)
Groundwater
b)
Bogs
c)
Water in the ground
99.
Subsidence, the sinking of the surface of the earth, would most likely be caused by which of the following human activities?
a)
Filtering out pollutants at a water treatment plant
b)
Storing drinking water in small above-ground basins
c)
Using toxic chemicals in the manufacturing of goods
d)
Excess removal of water from underground reserves
100.
Pollutants from a factory that enter the water in a watershed
will have a negative effect on which of the following?
will have a negative effect on which of the following?
a)
Available space for crops
Available space for crops
b)
Local pond life
c)
Rainfall rates
d)
Direction of river flow
101.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
102.
The first organisms that appear in an ecological community
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
103.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
104.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
105.
Natural disasters such as flooding and tornadoes are linked to ________________.
a)
primary
b)
secondary
c)
old field
d)
ecosystem
106.
The final stable community of plants and animals is called:
a)
pioneer community
b)
farmland
c)
climax community
d)
old field
107.
What is the difference between biotic and abiotic?
a)
Biotic are non-living things
b)
Abiotic are living organisms
c)
Biotic is life,
Abiotic is non-living
Abiotic is non-living
d)
Biotic is non-living, Abiotic is living
108.
Biodiversity is the variety of ________ in a community.
a)
genes
b)
population
c)
species
d)
community
109.
A place where plants and animals live and grow naturally is called a ______________.
a)
shelter
b)
tree
c)
habitat
d)
organism
110.
Which biome is more biodiverse?
a)
Desert
b)
Sand
c)
Tundra
d)
Rainforest
111.
Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
112.
When an animal imitates (looks or acts like) another animal it is called ______________.
a)
camouflage
b)
mimicry
c)
warning coloration
d)
protective resemblance
113.
Which of these BEST describes how some birds survive when the weather gets cold?
a)
a. They store twigs and sticks in their nest
b)
b. They migrate to a warmer climate
c)
c. They grow more feathers to stay warm in the winter
d)
d. They hide in bushes and wait for warm weather
114.
1. What is an adaptation?
a)
A feature or behavior that helps an animal survie.
b)
The food that an animal eats.
c)
How energy moves in a food web.
115.
This is a period of deep sleep that occurs in some animals when outside temperatures are cold: ______
a)
hibernation
b)
migration
116.
How do adaptations help animals?
a)
To hide from predators
b)
to hunt for food
c)
to survive in their habitats
d)
All of these are correct
117.
Survival of the Fittest and Evolution were proposed by what scientist?
a)
Charles Darwin
b)
Albert Einstein
c)
Steven Hawking
d)
Isaac Newton
118.
What word describes a trait that helps an organism survive in its environment?
a)
natural selection
b)
mutation
c)
camouflage
d)
adaptation
119.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
120.
___ are mistakes in the DNA that cause variation within a species.
a)
mutations
b)
adaptations
c)
speciations
d)
isolations
121.
Any inherited trait that gives an organism an advantage in its environment is called ___.
a)
a mutation
b)
an adaptation
c)
evolution
d)
natural selection
122.
____ is when members of a species that are best suited for their environment survive and reproduce at a higher rate than other members of the species
a)
natural selection
b)
artificial selection
c)
speciation
d)
adaptation
123.
The act of blending in with your environment is called?
a)
mimicry
b)
camouflage
c)
mutation
d)
hybridization
124.
1. Darwin observed 13 species of finches on the Galapagos Islands. What did Darwin conclude about the finches?
a)
a. They evolved from a common ancestor.
b)
They all came from different continents.
c)
they evolved from 13 different types of birds.
d)
they developed from other types of organisms.
125.
In which scenario could natural selection occur?
a)
a wolf with a heavy fur coat survives harsh winters better than other wolves and passes the trait on
b)
a woodpecker learnes how to eat a new type of beetle.
c)
a shark receives a neutral mutation
d)
a mother passes a deadly mutation on to her child.
126.
The most obvious difference in Darwin's finches was the variation in
a)
wingspan
b)
beak size and shape
c)
eye color.
d)
size
127.
The purpose of selective breeding is to
a)
Get bigger animals
b)
get smaller animals
c)
create animals with desirable traits
d)
create animals with bad traits
128.
When humans breed organisms with specific traits to influence the traits of the next generation, it is __________.
a)
adaptation
b)
natural breeding
c)
natural selection
d)
selective breeding
129.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
130.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
131.
A labeled diagram of a fiddler crab is provided. Which of the following is an accurate observation of the structures of a fiddler crab? Fiddler crabs have -
a)
five pairs of walking legs on each side.
b)
an enlarged propodus on both front legs.
c)
a pair of eyes on stalks at the top of the body.
d)
two pairs or chelipeds for a total of four.
132.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
133.
The ___ is the basic unit of sturucture and function of organisms
a)
atom
b)
cell
c)
matter
d)
all other answers are correct
134.
Which statement is a part of the cell theory?
a)
all cells come from preexisting cells
b)
bacteria are prokaryotic cells
c)
eukaryotic cells are complex
d)
humans are multicellular
135.
Which organelle is missing in prokaryotic cells?
a)
nucleus
b)
DNA
c)
ribosomes
d)
plasma membrane
136.
The Cell Theory states...
a)
atoms create all matter
b)
living things evolve
c)
the cell is the backbone of all matter
d)
cells are the basic unit of structure and organization of organisms
137.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
138.
The site of photosynthesis
a)
ribosome
b)
mitochondria
c)
chloroplast
d)
nucleus
139.
Which of the following is NOT a cell theory.
a)
All non-living things are made of cells
b)
All cells come from pre-existing cells
c)
Cells are the basic unit of structure and function of all living things
140.
All cells are produced ____________.
a)
from nothing
b)
from other cells
141.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
142.
Cell organelles that are responsible for digesting food, worn out organelles and other cellular wastes are called ___________________.
a)
Mitochondria
b)
Vacuoles
c)
Lysosomes
d)
Chlororplasts
143.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
144.
What would happen to the plant cell without the chloroplasts?
a)
There wouldn't be an organelle that performs photosynthesis
b)
There wouldn't be an organelle that serves as the resevoir for water and waste
c)
There wouldn't be an organelle that regulates what comes in and out of the cell
d)
They wouldn't be an organelle that makes necesary proteins
145.
What is the name of this organelle?
a)
Rough ER
b)
Mitochondria
c)
Lysosomes
d)
Nuclear Membrane
146.
one set of instructions for an inherited trait
a)
heredity
b)
allele
c)
trait
d)
gene
147.
one of the alternative forms of a gene that governs a characteristic, such as hair color
a)
allele
b)
gene
c)
trait
d)
DNA
148.
Homozygous or heterozygous?
BB
BB
a)
Homozygous
b)
Heterozygous
149.
You get your genes from:
a)
Department Store
b)
Parents
c)
Aunt
d)
Neighbor
150.
He is known as the father of modern day genetics.
a)
Gregory Mendel
b)
Greg Mendel
c)
Gregor Mendel
d)
Grace Mendel
151.
When a threatening situation appears, what is the name of the instinctive mechanism used by animals to protect themselves?
a)
Flight or Run
b)
Hide and Seek
c)
Fight or Flight
d)
Run and Fight
152.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
153.
Name the levels of organization in the human body in order from smallest to largest:
a)
Tissue, organ, organ system
b)
Organ system, tissue, organs, cells
c)
Cells, tissue, organs, organ system
d)
Cells , organs, tissue, organ system
154.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
155.
A plant growing in response to the sunlight.
a)
Gravitropism
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
156.
Roots of a tree growing towards the water line of a house.
a)
Gravitropism
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
157.
What is thigmotropism?
a)
Plants reaction to touch
b)
Plants reaction to light
c)
Plants reaction to gravity
d)
Plants reaction to water
158.
What does this picture represent?
a)
thigmotropism
b)
Phototropism
c)
Hydrotropism
d)
Geotropism
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