WorksheetsFirst Semester Review biology 2023-24
Total questions: 122
Worksheet time: 2hrs 6mins
Biology is the study of...
...the whole universe
...everything that surrounds us
...life in all its forms
...only animals and plants
What is the science that defines life as a network of chemical reactions
Chemistry
Physics
Biology
Anthropology
What is the science that defines life as an energy system that self-perpetuates.
Chemistry
Physics
Biology
Anthropology
Biology says that...
...all living things move, grow and breathe
...living things need to reproduce to stay alive
...animals and plants are the only life forms on the planet
...all living things synthetize, excrete,react, regulate and nourish themselves
Select only the escential life functions
Regulation
Respiration
Photosynthesis
Reaction
Synthesis
Nutrition means...
...to consume any resources required for synthesis
... only to obtain energy
...only to obtain materials
...to getrid of wastes.
To excrete...
...is to maintain an inner weather regardless of the exterior conditions
...is to dispose of waste materials
... to change the behaviour under different stimuli from the environment
...to make yourself out of the consumed materials
To regulate...
...is to maintain an inner weather regardless of the exterior conditions
...is to dispose of waste materials
... to change the behaviour under different stimuli from the environment
...to make yourself out of the consumed materials
To react...
...is to maintain an inner weather regardless of the exterior conditions
...is to dispose of waste materials
... to change the behaviour under different stimuli from the environment
...to make yourself out of the consumed materials
To synthetize...
...is to maintain an inner weather regardless of the exterior conditions
...is to dispose of waste materials
... to change the behaviour under different stimuli from the environment
...to make yourself out of the consumed materials
What is the main reason for the unique properties of water?
What type of bond holds water molecules together?
covalent bonds
ionic bonds
polar bonds
hydrogen bonds
What is the term used to describe the attraction between water molecules?
covalent bonding
ionic bonding
van der Waals forces
hydrogen bonding
What property of water allows it to form droplets on a surface?
evaporation
cohesion
adhesion
surface tension
What property of water allows it to stick to other substances?
cohesion
repulsion
adhesion
evaporation
What is the measure of the force required to break the surface of a liquid?
viscosity
density
pressure
surface tension
What property of water allows it to absorb and retain heat?
Boiling point
Density
Surface tension
Specific heat capacity
What property of water makes it an excellent solvent?
Polarity
Viscosity
Boiling point
Density
What is the term used to describe a mixture of water and another substance?
solution
compound
mixture
solution
Which of the following is true about the structure of water?
it contains two different molecules
it involve non-polar oxygen bonds
It is a polar molecule
it is made up of atoms
Define Polarity in terms of a water molecule.
water is a polar molecule with one oxygen atom negatively charged and two hydrogen atoms positively charged.
water is a polar molecule with one oxygen atom positively charged and two hydrogen atoms positively charged.
water is a polar molecule with one oxygen atom negatively charged and two hydrogen atoms negatively charged.
none of these
Define what is a universal solvent.
Water - due to its color and ability to change from a liquid to a solid
Water - due to its polarity and ability to dissolve other polar molecules
Vinegar - due to its polarity and ability to dissolve other polar molecules
none of these
What is a polar molecule?
a molecule in which one side of the molecule is slightly positive and the opposite side is slightly positive
a molecule in which both sides of the molecule are positive
a molecule in which one side of the molecule is slightly negative and the opposite side is slightly positive
none of these
Noah, Aiden, and Abigail are making Koolaid. In this scenario, what would be considered a solution?
The Koolaid they made, which is a liquid consisting of a solvent and solute
The answer to a question they might have about the process
The substance they dissolved to make the Koolaid
None of these
Liam, Benjamin, and Anika are conducting a science experiment. They need to dissolve a solid into a liquid. Which student is acting as the 'solvent' in this scenario?
The student who is doing the dissolving
The student who is adding a negative charge to the compound
The student who is adding a positive charge to the compound
None of these
During a science experiment, Harper, Mason, and Lily were observing the properties of water. They noticed a certain type of bond forming between the water molecules. What type of bond were they observing?
The strong intermolecular bonds that form between the hydrogen atom of one water molecule and the oxygen atom of another water molecule.
The weak intermolecular bonds that form between the hydrogen atom of one water molecule and the hydrogen atom of another water molecule.
The weak intermolecular bonds that form between the hydrogen atom of one water molecule and the oxygen atom of another water molecule.
None of these
Harper, Evelyn, and Emma are conducting a science experiment. They need to choose a solvent that can dissolve as many substances as possible. Which solvent should they choose?
Water - because of its color and ability to change from a liquid to a solid
Water - because of its polarity and ability to dissolve other polar molecules
Vinegar - because of its polarity and ability to dissolve other polar molecules
None of these
Abigail, Oliver, and Aria are conducting a science experiment in their chemistry class. They are trying to understand the concept of a buffer. Can you help them understand what a buffer is?
A buffer is a solution that minimizes changes in pH when extraneous acids or bases are added to the solution. For instance, proteins and amino acids are intracellular fluid buffers. Carbonic acid/bicarbonate is an extracellular buffer. Hemoglobin / Oxyhemoglobin is an RBC buffer.
A buffer is a solution that changes the pH to become more basic when extraneous acids or bases are added to the solution. For instance, proteins and amino acids are intracellular fluid buffers. Carbonic acid/bicarbonate is an extracellular buffer. Hemoglobin / Oxyhemoglobin is an RBC buffer.
None of these
Luna spilled water on the table and noticed that the water droplets stick together. What is this phenomenon called?
Attraction between molecules of the same substance
Attraction between molecules of different substances
Attraction between positive and negative charges
Attraction between elements of the same substance
Sophia spilled some water on a glass table. What is the force that causes the water to stick to the glass surface?
An attraction between molecules of different substances (water and another substance)
An attraction between molecules of the same substances
An attraction between charges of different substances (water and another substance)
none of these
David, Harper, and Aria are conducting an experiment to observe capillary action. What is capillary action?
tendency of water to rise in a thin tube against the force of gravity, and due to the cohesion and adhesion forces of attraction.
tendency of water to dissolve compounds
tendency of water to rise in a thin tube against the force of attraction, and due to the ability to dissolve a substance.
none of the above
Harper and Liam are discussing the properties of water. Liam mentions that water has a high specific heat. What does he mean by that?
Water can absorb or release a tremendous amount of energy with little change in actual temperature.
The ability of water to resist changes in temperature.
1 gram of water will need to absorb 4.18 Joules (amount of heat) in order to increase its temperature by 1 degree Celsius.
All of these
Emma accidentally spilled oil on the kitchen floor. Why is it difficult for her to clean it up with water?
Oil hates water
Oil is non-polar
Oil repels water
All of the above
During a science experiment, Liam, Ava, and Benjamin observed a substance that seemed to repel water. What does this observation suggest about the substance?
a substance hates water
a substance is non-polar
a substance repels water
all of the above
Rohan spilled a glass of water on the table, and he noticed that some substances dissolved quickly in the water. What does it mean when a substance is hydrophilic?
A substance likes water
It is a polar molecule
A substance hates water
a substance likes water and a polar molecule
During a biology class, Liam, Emma, and Evelyn were discussing how the human body maintains its chemical and thermal components in equilibrium. What is this process called?
Homeostasis
Thermoregulation
Photosynthesis
Digestion
During a winter field trip, Nora, Mia, and Ava noticed that the water in a nearby lake had frozen at the top, providing an insulating layer for organisms below. This phenomenon is most likely due to water's
mass.
heat of vaporization.
density.
boiling point.
Match each state of water to the description:
dissolves many different substances
liquid water
forms an insulating layer around Earth
water vapor
floats as a solid that is less dense than water
ice
Ethan, Noah, and Isla noticed that a pot of water takes a long time to heat up and a long time to cool down. This is due to
Its high specific heat capacity
Its low specific heat capacity
Its high thermal conductivity
Its low thermal conductivity
An example of adhesion is observed when
Mia spills water on a glass table, and the water droplets stick to the surface
Ava pours water into a glass, and the water molecules stick together
Avery mixes oil and water, and the oil molecules stick together
water droplets on a window merge together to form larger droplets
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. Which characteristic of life does this represent?
All living things use energy
All living things contain cells
All living things maintain homeostasis
All living things grow
A camel has eyelashes that work to keep the dust and sand out of its eyes. Which characteristic of life does this represent?
All living things adapt to their environment
All living things grow
All living things have cells
All living things use energy
Which statement describes ALL living things?
They are composed of one or more cells.
They must reproduce sexually.
They have organ systems to carry out the processes of life.
They are capable of making their own food.
A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?
All living things reproduce
All living things maintain homeostasis
All living things use energy
All living things grow
The following are all characteristics of life EXCEPT:
made of cell(s)
eat food
respond stimuli
reproduce
Which characteristic is shown: A plant switches position and follows the sunlight throughout the day.
Grow and develop
Respond to a stimulus
Acquire and use energy
Reproduce
Which of the following is NOT an example of an adaptation?
birds migrating during the winter months
the total sum of all the chemical reactions in your body
humans evolving the ability to digest lactose (sugar in milk)
the ability of dolphins to communicate in aquatic environments
Which of these is not true about all organisms?
all living things are multicellular
all living things obtain and use energy
all living things reproduce
The following list represents characteristics of a living thing :
made of cells, has lungs, can reproduce
made of cells, grows and develops, uses energy
has similar chemicals, makes noises, made of cells
Which item listed is NOT a characteristic of life?
adjusting to stimuli
getting and using energy
growing and developing
breathing
___________a molecule that is present in all living cells and that contains the information that determines the traits a living thing inherits and needs to live.
Cell
Stimulus
Homeostasis
DNA
Biology is the _____.
study of abiotic factors
study of life
study of chemicals and their properties
study of the physical properties of the world
Something that was not alive, was never alive, and will never be alive is called ____.
biotic
dead
living
non-living
The building up or breaking down of materials is called ____.
homeostasis
metabolism
multicellular
stimulus
The combination of chemical reactions through
which an organism builds up or breaks down
materials as it carries out its life processes is called ...
absorption
metabolism
digestion
consumption
Maintaining a stable internal
environment is called
homeostasis
equilibrium
balance
evenness
True or False: All living things have more than one cell.
True
False
An organism that creates clones of itself reproduces
Sexually
Bilaterally
Asexually
Genetically
The maintenance of constant internal conditions is
Metabolism
Heredity
Genetics
Homeostasis
All of the Earth's water, including liquid water, ice and water vapor is included in the
Geosphere
Hydrosphere
Biosphere
Atmosphere
The area of Earth where life exists
Biosphere
Hydrosphere
Geosphere
Atmostphere
Which of the following is NOT an abiotic factor in an ecosystem?
Rocks
Air
Lions
Water
A venus fly trap digesting flies is an example of
homeostasis
metabolism
heredity
Growth and development
True or False: A community consists of only one species of organism.
True
False
True or False: Non-living and Dead mean the same thing.
True
False
The Earth is a _________ system because matter stays within the Earth, it does not flow.
Open
Closed
Isolated
Circulatory
Which of the following is a term used to describe all the chemical reactions that take place in a living thing?
A plant growing towards a light source is an example of which of the following?
attracting a mate
destroying infectious germs
responding to a stimuli
obtaining moisture from the air
Infants will often smile when they hear a parent’s voice. In this situation, the parent’s voice is considered
stimulus
response
adaptation
resource
Identify all of the following that are living.
Volcano
Tree
Sun
Fungus
Identify all of the following that are nonliving.
Rock
Oxygen
Bacteria
Battery
Which characteristic of living things is represented in the picture?
Share similar chemicals
Grows and develops
Responds to stimuli
Evolves (as a population)
Which characteristic of living things is represented in the picture?
Respond to stimuli
Grow and develop
Evolution
Made of cells
The combination of chemical reactions through
which an organism builds up or breaks down
materials as it carries out its life processes is called ...
absorption
metabolism
digestion
consumption
Maintaining a stable internal
environment is called
homeostasis
equilibrium
balance
evenness
Over three years, Tim's height has increased from 5'4" to 5'11". Which characteristic of life does this represent?
All living things contain cells
All living things maintain homeostasis
All living things use energy
All living things grow
What is the monomer of carbohydrates
disaccharides
monosaccharides
amino acids
fatty acids
Which of the following is NOT a monosaccharide?
starch
fructose
glucose
galactose
Which polysaccharide is used by plants to store glucose?
glycogen
cellulose
starch
chitin
Lactose is composed of
glucose + fructose
glucose + glucose
glucose + sucrose
glucose + galactose
What is the polysaccharide used by animals to store glucose?
glycogen
fructose
starch
cellulose
Which polysaccharide is used by plants to make their cell wall?
starch
glycogen
cellulose
chitin
What makes up the disaccharide sucrose?
glucose + glucose
glucose + fructose
glucose + galactose
glucose + maltose
What are the 3 types of carbohydrates?
Monosaccharides
Disaccharides
Polysaccharides
Pentasaccharides
Which of the following is the building block of Carbohydrates?
Amino acids
Fatty acids
Monosaccharides
Which of the following is NOT a monosaccharides?
Fructose
Lactose
Glucose
Which of the following is a natural sugar found in fruits?
Fructose
Lactose
Glucose
Cellulose is a polysaccharide found in animals and fungi.
TRUE
FALSE
Carbohydrates come mainly from what source?
Water
Animal
Plant
Fish
