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WorksheetsStage 1 Biology Semester 2 Revision
Total questions: 164
Worksheet time: 2hrs 9mins
Which RNA type is the result of transcription?
tRNA
Non-coding RNA
rRNA
mRNA
What is Transcription?
The making DNA segment.from mRNA.
The making of an RNA strand into a protein.
The making of an mRNA strand from the DNA template.
Why must transcription occur in the nucleus?
because DNA can't leave the nucleus
because ribosomes are in the nucleus
because DNA polymerase is found there
because helicase unzips the DNA
How are DNA and RNA different? (CHECK ALL THAT APPLY)
Only DNA can leave the nucleus
RNA contains Thymine; DNA contains Uracil
DNA is double stranded, RNA is a single stranded
DNA contains Thymine, RNA contains Uracil
Choose the sequence of the mRNA strand that would match up with to the following DNA strand:
GTACAT
CATGTA
GAUCUA
CAUGUA
CUTGTU
What brings the amino acids to the ribosome to assemble a protein?
DNA
How many nucleotides code for 1 amino acid?
1
2
3
4
Which process does this diagram illustrate?
transcription
DNA replication
translation
Translation takes place in the
Ribosome
Nucleus
Cytoplasm
Mitochondria
Transcription take place in the
Cytoplasm
Cell Membrane
Nucleus
Ribosome
A chain of amino acids is called
Polymer chain
Polypeptide Chain
RNA chain
Protein Synthsis Chain
A specialized cell (like this nerve cell) is a cell that has ...
the ability to divide
a specific role to do
no specific function in the bod
Different tissues work together to form
Tissue
Cells
Organs
Organ systems
A lot of cells of the same kind join together to form-
Tissue
Cells
Organs
Organ systems
Identify the correct order.
cells < organs < organs < systems
tissues < cells < organs < systems
cells < tissues < organs < systems
cells < tissues < systems < organs
Identify structure 1 in the diagram.
Spongy mesophyll
Vascular bundle
Waxy cuticle
Palisade mesophyll
Identify structure 2 in the diagram.
Stomata
Upper epidermis
Vascular bundle
Xylem
Identify structure 3 in the diagram
Waxy cuticle
Palisade mesophyll
Upper epidermis
Guard cell
Identify structure 4 in the diagram.
Spongy mesophyll
Guard cell
Phloem
Palisade mesophyll
Identify structure 5 in the diagram.
Vascular bundle
Phloem
Palisade mesophyll
Lower epidermis
Identify structure 7 in the diagram.
Guard cell
Phloem
Stomata
Upper epidermis
Recall the main role of the specialised plant cell below.
Palisade cells
Absorb water/mineral
Open/close stomata
Photosynthesis
Recall the main role of the specialised plant cell below.
Root hair cells
Open/close stomata
Photosynthesis
Absorb water/minerals
Recall the main role of the specialised plant cell below.
Guard cells
Absorb water/mineral
Open/close stomata
Photosynthesis
Digestion begins in the ________.
stomach
large intestine
mouth
small intestine
The organ which secretes bile for fat digestion is the ___________.
liver
pancreas
small intestine
stomach
Most of the absorption takes place in the ___________.
rectum
large intestine
small intestine
esophagus
The fingerlike projections in the small intestine which increase surface area and absorption are called ______.
Bowman's capsule
tubules
vili
Golgi bodies
A muscular tube which creates peristaltic waves to carry swallowed food from the throat to the stomach
stomach
gall bladder
colon
esophagus
Muscular organ which churns food and secretes enzymes and acids for food digestion
colon
stomach
liver
esophagus
Hollow tract where chemical digestion continues and nutrients are absorbed into the bloodstream
large intestine
pancreas
stomach
small intestine
Storage sac for bile located on the lower surface of the liver
esophagus
salivary glands
colon
gall bladder
The final section of the large intestine which eliminates waste material from the body.
rectum
colon
small intestine
esophagus
Which one is an organ found in the digestive system?
Lungs
Kidneys
Pancreas
Heart
What part of the digestive system is highlighted?
Anus
Appendix
Gall Bladder
Pancreas
What part of the digestive system is highlighted?
Esophagus
Appendix
Small Intestine
Stomach
What part of the digestive system is highlighted?
Gall Bladder
Small intestine
Pancreas
Liver
What part of the digestive system is highlighted?
Small intestine
Large intestine
Stomach
Liver
What part of the digestive system is highlighted?
Stomach
Pancreas
Liver
Gall bladder
What part of the digestive system is highlighted?
Esophagus
Stomach
Salivary glands
Mouth
Keep your body hydrated
Removing waste from your body
Blood being pumped to the kidneys and then filtered by neurons is an example of which two systems working together?
circulatory and muscular
excretory and circulatory
nervous and excretory
nervous and muscular
Which of the following is NOT filtered out of the glomerular capillaries?
Urea
Water
Glucose
Blood cell
Which area of the brain contains the receptors responsible for detecting changes in water potential
Hypothalamus
Medulla Oblongata
Amygdala
Hippocampus
Recall where in the nephron reabsorption of glucose occurs.
Loop on Henle
Bowman's capsule
Proximal convoluted tubule
Distal convoluted tubule
Structure C is known as the...
PCT
Bowman's capsule
Glomerulus
DCT
Name Structure B
Bowmans Capsule
Loop of Henle
proximal Convoluted tubule
Collecting duct
Name structure D
Glomerulus
Bowmans Capsule
Collecting duct
Loop of Henle
Name structure E
Glomerulus
Collecting Duct
Loop of henle
Distal convoluted tubule
Structure C is known as the...
PCT
Bowman's capsule
Glomerulus
DCT
Which of the following is the main function of the respiratory system?
Obtains oxygen and remove carbon dioxide from the body
Transports oxygen and nutrients to the body cells
Protects the body from invading organisms
What is the anatomically correct name of the windpipe?
Pharynx
Larynx
Trachea
Which of the following is the function of alveoli in respiration?
Helping the lungs to stay inflated
Gaseous exchange
Relaxation
Ventilation (breathing) is a regular, rhythmic process which:
moves air into and out of the lungs
protects the airways by clearing them of mucus or irritants
moves gases from an area of high concentration to an area of lower concentration
Microscopic sacs where gas exchange takes place; are called:
alveoli
bronchi
villi
A small flap of tissue that covers the trachea when swallowing is called the
bronchi
larynx
pharynx
epiglottis
When you exhale, the diaphragm
moves upwards
moves downwards
flattens
none of the above
What is labeled at E?
bronchi
trachea
pharynx
none of the above
a species that is critical to the success of an ecosystem
predator species
parasitism
carrying capacity
keystone species
the number of different types of species in an ecosystem
richness
evenness
hot spot
biodiversity
a species that exist in one area and nowhere else in the world is called
hot spot species
epistatic species
endemic species
predation species
two types of ecological disturbance are
animals and plants
abiotic and biotic
natural and human-caused
weather and climate
sequence of biotic changes that restore/rebuild a damaged community
pioneer species
succession
richness
evenness
first time establishment and development of life in an area that previously had 0 species
primary succession
secondary succession
finale succession
the first species of an area that previously had 0 species
fresh species
resilient species
keystone species
pioneer species
regrowth of species from the soil after a disturbance
primary succession
secondary succession
finale succession
keystone species
Biotic factors are...
living things
non-living things
undead things
Abiotic factors are...
living things
non-living things
undead things
Some examples of biotic factors would be
trees
insects
bacteria
all of the above
Which of these is NOT an abiotic factor?
water
temperature
grass
soil
The Edwards Plateau in Texas is home to armadillos, white tail deer, squirrels, and the blind salamander. What level of organization is described?
population
organism
community
ecosystem
How are deer and wolves classified?
as decomposers
as consumers
as carnivores
as producers
A student observes a small pond and notices green algae on the rocks. What is the role of algae in the pond ecosystem?
producer
consumer
omnivore
decomposer
In a food chain, foxes consume rabbits and mice. If the mouse population suddenly decreases but the rabbit population stays the same, what could happen to the number of foxes?
The number of foxes could decrease because they will eat fewer rabbits.
The number of foxes could increase because they will only have rabbits to eat.
The number of foxes could increase because they will compete less for available food.
The number of foxes could decrease because they will compete more for available food.
Which best describes the role of a producer in an ecosystem?
A producer supplies energy for the consumers in the ecosystem.
A producer supplies oxygen for the consumers in the ecosystem.
A producer supplies water for the consumers in the ecosystem.
A producer supplies light for the consumers in the ecosystem.
Primary consumers get their energy from the sun.
True
False
Which shows the trophic levels in order?
Primary Consumer,
Producer,
Tertiary Consumer,
Secondary Consumer
Producer,
Primary Consumer,
Secondary Consumer,
Tertiary Consumer
What is a food web?
A web made out of food
a system of interlocking and interdependent food chains.
The food an animal likes to eat.
Which food chain correctly describes the flow of energy in an ecosystem?
Grass>Cow>Human
Caterpillar>Leaf>Human
Cow>Grass>Human
Leaf>Bird>Caterpillar
A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.
keystone
invasive
engineer
predator
A species that helps to manage prey populations, which in turn controls the ecosystem's producers (vegetation).
predator
keystone
engineer
mutualist
Two or more species that engage in mutually beneficial interactions.
mutualists
engineers
invasives
predators
In which type of symbiotic relationship do both species benefit?
Commensalism
Parasitism
Mutualism
Predation
In which type of symbiotic relationship does one species benefit while the other species is unaffected?
Commensalism
Parasitism
Mutualism
Predation
In which type of symbiotic relationship does one species benefit while the other species is harmed?
Commensalism
Parasitism
Mutualism
Predation
In which type of symbiotic relationship does the predator eat it's prey?
Commensalism
Parasitism
Mutualism
Predation
A certain species of bird follows cows through a pasture and eats insects that cows stir up. The cows are not affected. Which type of symbiotic relationship is described?
Commensalism
Parasitism
Mutualism
Predation
A shrimp is warned of danger by a fish and the fish gets a home dug by the shrimp. Which type of symbiotic relationship is this?
Commensalism
Parasitism
Mutualism
Predation
A bear hunts for a fish down by the river and captures one. Which type of symbiotic relationship is described?
Commensalism
Parasitism
Mutualism
Predation
If the hawk population decreases, what will happen to the snakes and rabbits?
Snakes and rabbits will increase
Snakes and rabbits will decrease
Snakes will decrease, rabbits will increase
Snakes will increase, rabbits will decrease
What will happen if the snake population is DOUBLED?
The other populations will increase too
The other populations will decrease
Rabbits and hawks will decrease, grass will increase
Grass and hawks will increase, rabbits will decrease
The grass is on which trophic level?
1st
2nd
3rd
4th
The snake is what type of consumer?
Primary
Secondary
Tertiary
The rabbit is what type of consumer?
Herbivore
Omnivore
Carnivore
Which group of organisms accounts for the largest percentage of all global biomass?
plants
animals
bacteria
fungi
Unicellular, prokaryotic, autotroph
bacteria
protist
animal
plant
which two taxons are used to give an organism their scientific name?
kingdom/phylum
phylum/class
genus/species
kingdom/species
which domain contains eukaryotic organisms?
eukarya
bacteria
archaea
which domain DOES NOT contain prokaryotic cells?
eukarya
bacteria
archaea
What is the name of B?
obsidian
slate
gneiss
granite
Organisms in this smallest taxonomic group share many characteristics.
domain
kingdom
species
class
Both plants and animals will benefit from adaptations to improve their chances to survive.
True
False
What type of adaptation affects how an organism acts?
Behavioral
Physiological
Structural
What type of adaptation affects a physical aspect of organism?
Behavioral
Physiological
Structural
What type of adaptation affects body chemistry and metabolism?
Behavioral
Physiological
Structural
Physiological
Structural
Behavioral
Physiological
Structural
Behavioral
Physiological
Structural
Behavioral
Physiological
Structural
Behavioral
Physiological
Structural
Behavioral
Physiological
Structural
Behavioral
Physiological
Structural
Behavioral
Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?
Secondary Succession
Aquatic succession
Primary Succession
Ferns must grow
The picture shows what type of succession?
primary
secondary
tertiary
quadanary
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
Lichens → Shrubs → Grasses → Trees
Lichens → tree → shrubs→Grasses
Grasses → Lichens → Shrubs → Trees
Lichens → Grasses → Shrubs → Trees
The picture displays which type of succession?
primary
secondary
tertiary
all of the above
The final stage of ecological succession can typically be observed when evidence of a _____________________ is present.
Mature Tree Growth
Climax Community
Pioneer Community
housing community
Which of the following is NOT a possible result of decreasing biodiversity?
increased ecosystem stability
extinctions
loss of natural resources
loss of potential foods & medicines
Which of the following results when levels of CO2 in the atmosphere increase due to the burning of fossil fuels?
ecological succession
acid rain
ozone depletion
global warming
