9th Grade Biology Final Review Test Section I
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Converting energy into glucose using sunlight.
About This Quiz
9th Grade Biology Final Review Test! Are you preparing for your final biology exam as a ninth-grader? The quiz below is meant for you. This first section of the final's quiz is designed to build up your revision before the exam. Give the test a try and gauge your preparedness. All the best, as you try it.
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- 2.
A proton is positively charged.
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True
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False
Correct Answer
A. TrueExplanation
A proton is positively charged because it contains a single positive charge. Protons are one of the fundamental particles that make up atoms, along with neutrons and electrons. While neutrons have no charge and electrons have a negative charge, protons have a positive charge. This positive charge is equal in magnitude but opposite in sign to the negative charge of an electron. Therefore, protons are positively charged particles.Rate this question:
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- 3.
The tendency of an organism or a cell to regulate its internal condition, usually by a system of feedback control, so as to stabilize health and functioning, regardless of the outside changing conditions is ______________.
Correct Answer
HomeostasisExplanation
Homeostasis refers to the ability of an organism or a cell to maintain a stable internal environment despite changes in the external conditions. This is achieved through a system of feedback control mechanisms that regulate various physiological processes. By maintaining homeostasis, organisms are able to ensure optimal health and functioning, allowing them to adapt and survive in different environments.Rate this question:
- 4.
________ ______________ ______________ bears many ribosomes on its outer surface giving it a rough appearance; hence, its name. Since it has ribosomes attached to its surface it is therefore involved in synthesis and secretion
Correct Answer
RER
ER
Rough Endoplasmic Reticulum
Endoplasmic ReticulumExplanation
The correct answer is Rough Endoplasmic Reticulum (RER) or Endoplasmic Reticulum (ER). The rough appearance of the organelle is due to the presence of ribosomes on its outer surface. This indicates that it is involved in protein synthesis and secretion. The Endoplasmic Reticulum is a network of membranes found in the cytoplasm of eukaryotic cells, involved in various cellular processes including protein synthesis and lipid metabolism. The rough endoplasmic reticulum specifically refers to the portion of the ER that has ribosomes attached to its surface.Rate this question:
- 5.
Nonliving factors of an environment.
Correct Answer
AbioticExplanation
Abiotic factors are nonliving components of an environment that can influence the survival and behavior of organisms. These factors include physical elements such as temperature, sunlight, water, soil composition, and air quality. They play a crucial role in shaping ecosystems and determining the distribution and abundance of species. Abiotic factors can directly affect the physiology and behavior of organisms, as well as indirectly impact the availability of resources and the interactions between different species. Therefore, "Abiotic" is the correct answer as it accurately describes the nonliving factors of an environment.Rate this question:
- 6.
A monomer is something that can be bonded with other monomers to form polymers.
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True
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False
Correct Answer
A. TrueExplanation
A monomer is a molecule that has the ability to chemically bond with other monomers to form a larger molecule called a polymer. This process is known as polymerization. Therefore, the statement "A monomer is something that can be bonded with other monomers to form polymers" is true. Monomers are the building blocks of polymers and can be joined together through various types of chemical bonds, such as covalent bonds, to create complex macromolecules with unique properties and functions.Rate this question:
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- 7.
___________ is a spherical or rod-shaped organelles found within the cytoplasm of eukaryotic cells, and are referred to as the “powerhouse of the cell since they act as the site for the production of high-energy compounds (e.g. ATP), which are vital energy source for several cellular processes.
Correct Answer
mitochondriaExplanation
Mitochondria are organelles found within the cytoplasm of eukaryotic cells. They are known as the "powerhouse of the cell" because they are responsible for producing high-energy compounds, such as ATP, which are essential for various cellular processes.Rate this question:
- 8.
The diffusion of a solvent (usually water molecules) through a semipermeable membran from an area of low solute concentration to an area of high solute concentration.
Correct Answer
Osmosis
OsosisExplanation
Osmosis is the correct answer. Osmosis refers to the process of solvent molecules, typically water, moving across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration. This movement occurs in order to equalize the concentration of solute on both sides of the membrane. The term "ososis" does not exist and is likely a typo or misspelling.Rate this question:
- 9.
I include mushrooms and I feed from humidity and natural waste.
Correct Answer
Fungi
FungusExplanation
The given statement suggests that the organism in question includes mushrooms and obtains nourishment from humidity and natural waste. This characteristic aligns with the kingdom Fungi, which includes organisms such as mushrooms that obtain nutrients from decaying organic matter and thrive in moist environments. Therefore, the correct answer is Fungi or Fungus.Rate this question:
- 10.
What part of mitosis is this?
Correct Answer
MetaphaseExplanation
Metaphase is the stage of mitosis where the chromosomes align themselves along the equatorial plane of the cell. During this phase, the spindle fibers attach to the centromeres of the chromosomes, ensuring their proper positioning. The chromosomes are fully condensed and visible under a microscope. Once the chromosomes are aligned, they are ready to be separated and pulled apart during the subsequent anaphase stage of mitosis. Therefore, the given answer "Metaphase" correctly identifies the stage of mitosis where the chromosomes are aligned along the equatorial plane of the cell.Rate this question:
- 11.
What part of mitosis is this?
Correct Answer
AnaphaseExplanation
Anaphase is the stage of mitosis where the sister chromatids separate and move towards opposite poles of the cell. This is achieved by the spindle fibers pulling the chromatids apart. The chromosomes become V-shaped as they are pulled towards the centrioles. The correct answer, Anaphase, accurately describes this process.Rate this question:
- 12.
A kind of transport where in ions or molecules move against a concentration gradient, which means mmovement in the direction opposite that of diffusion is ___________ __________
Correct Answer
Active transport
Active transpotExplanation
Active transport is a type of transport where ions or molecules move against a concentration gradient, which means movement in the direction opposite that of diffusion. It requires the expenditure of energy by the cell to transport substances across the cell membrane. This process is essential for maintaining proper concentrations of ions and molecules inside the cell and is responsible for the uptake of nutrients and the removal of waste products. Therefore, the correct answer is Active transport.Rate this question:
- 13.
Which of these uses O2 and is more productive.
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Aerobic
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Anaerobic
Correct Answer
A. AerobicExplanation
Aerobic processes use oxygen and are known to be more productive compared to anaerobic processes. This is because oxygen is a highly efficient electron acceptor, allowing for a greater release of energy during cellular respiration. In aerobic conditions, organisms can generate more ATP (adenosine triphosphate) molecules, which are the primary source of energy for cellular activities. On the other hand, anaerobic processes occur in the absence of oxygen and generally yield less energy. Therefore, aerobic processes, which utilize oxygen, are more productive.Rate this question:
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- 14.
________ _____________ _____________ does not have ribosomes on its surface. Its functions include synthesis of lipids, metabolism of carbohydrates and calcium concentration, drugs detoxification, and attachment of receptor on cell membrane protein. It is also involved in intracellular transport, such as the transport of the products of the RER to other cell parts like golgi apparatus.
Correct Answer
SER
ER
Endoplasmic reticulum
Smooth endoplasmic reticulumExplanation
The correct answer is Smooth endoplasmic reticulum (SER). The smooth endoplasmic reticulum does not have ribosomes on its surface, unlike the rough endoplasmic reticulum (RER). Its functions include synthesis of lipids, metabolism of carbohydrates, calcium concentration, drugs detoxification, and attachment of receptor on cell membrane protein. It is also involved in intracellular transport, such as the transport of the products of the RER to other cell parts like the golgi apparatus.Rate this question:
- 15.
The ___ ____ is used in active transport to pump ions through the cell.
Correct Answer
ion pump, ion pumpsExplanation
The phrase "ion pump" refers to a specific type of mechanism used in active transport to move ions across the cell membrane. This process requires energy and is carried out by specialized proteins known as ion pumps. These pumps actively transport ions against their concentration gradient, ensuring proper ion balance and facilitating various cellular functions. Therefore, the correct answer is "ion pump, ion pumps."Rate this question:
- 16.
O 2 cotyledons o 2, 4, 5 flower parts o Net-like leaf venation o Rings like vascular bundles o Taproot system
Correct Answer
dicot
dicot plantExplanation
The given characteristics such as having 2 cotyledons, 2, 4, 5 flower parts, net-like leaf venation, rings like vascular bundles, and a taproot system are all traits commonly found in dicot plants. Therefore, the correct answer is dicot or dicot plant.Rate this question:
- 17.
I am a form of cellular respiration that requires oxygen in order to generate energy. Who am I?
Correct Answer
Aerobic respiration
AerobicExplanation
Aerobic respiration is a form of cellular respiration that requires oxygen to generate energy. It is the process by which cells convert glucose and oxygen into carbon dioxide, water, and ATP (adenosine triphosphate). This process is more efficient and produces more ATP compared to anaerobic respiration. Aerobic respiration occurs in the mitochondria of cells and is essential for the functioning of organisms that rely on oxygen for energy production. "Aerobic" is another term used to describe this type of respiration.Rate this question:
- 18.
What is a diploid cell?
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A cell that contains three sets of DNA
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A cell that contains one set of DNA
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A cell located in the heart
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A cell that contains two sets of DNA
Correct Answer
A. A cell that contains two sets of DNAExplanation
A diploid cell is a cell that contains two sets of DNA. In humans, this means that the cell has two copies of each chromosome, one from each parent. This is in contrast to a haploid cell, which only contains one set of DNA. Diploid cells are found in most tissues of the body and are important for growth, development, and reproduction.Rate this question:
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- 19.
I am the kingdom that includes trees and grass. Who am I?
Correct Answer
Plants
Plant
Plant kingdomExplanation
The correct answer is "Plants, Plant, Plant kingdom". The question is asking for the name of the kingdom that includes trees and grass. The term "plants" refers to all living organisms that belong to the kingdom Plantae, which includes trees, grass, and various other types of plants. Additionally, "plant" is a general term used to describe any living organism that is part of the plant kingdom. Therefore, all three options provided - "Plants, Plant, Plant kingdom" - correctly identify the kingdom that includes trees and grass.Rate this question:
- 20.
What is responsible for producing energy in the form of ATP within a cell?
Correct Answer
Mitochondrion, mitochondrionExplanation
The mitochondrion is often referred to as the "powerhouse of the cell" because it is responsible for producing energy in the form of ATP (adenosine triphosphate) through the process of cellular respiration. ATP is the primary energy currency of the cell, used to power various cellular processes. The nucleus contains genetic material, the ribosome is involved in protein synthesis, and the Golgi apparatus modifies, sorts, and packages proteins and lipids for secretion or use within the cell.Rate this question:
- 21.
____________ is used in translation and are found on the endoplasmic reticulum
Correct Answer
RibosomesExplanation
Ribosomes are used in translation, which is the process of protein synthesis. They are found on the endoplasmic reticulum, a network of membranes within the cell. Ribosomes play a crucial role in translating the genetic information from mRNA into proteins. They are responsible for the assembly of amino acids into polypeptide chains, which eventually fold into functional proteins. Therefore, ribosomes are essential components in protein synthesis and are located on the endoplasmic reticulum to facilitate the production of proteins that are destined for secretion or incorporation into the cell membrane.Rate this question:
- 22.
I am the second growth part of the cell cycle. Who am I?
Correct Answer
G2Explanation
G2 is the second growth part of the cell cycle, following the S phase where DNA replication occurs. During G2, the cell continues to grow and prepares for cell division. This phase is characterized by the synthesis of proteins and organelles needed for cell division, as well as the replication of centrosomes. G2 serves as a checkpoint before entering into the mitotic phase, ensuring that DNA replication is complete and any errors are repaired.Rate this question:
- 23.
Correct Answer
pedigree - 24.
An H2O bond that does not have equal sharing is a __________.
Correct Answer
Polar bondExplanation
A polar bond is formed when there is an unequal sharing of electrons between two atoms in a molecule. This occurs when one atom has a higher electronegativity than the other, causing it to attract the shared electrons more strongly. As a result, the electron density is shifted towards the more electronegative atom, creating partial positive and negative charges. Therefore, a polar bond is characterized by an uneven distribution of electron density, leading to a separation of charges and the formation of a dipole moment.Rate this question:
- 25.
Eats producer or eats others of his kind.
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Plants
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Consumer
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Autotrophs
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Producer
Correct Answer
A. ConsumerExplanation
The given correct answer is "Consumer" because consumers are organisms that obtain energy by consuming other organisms or organic matter. They cannot produce their own food and rely on consuming other organisms, either plants or animals, to obtain energy. In this case, the organism described in the question eats others of its kind, indicating that it consumes other organisms, making it a consumer.Rate this question:
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- 26.
I am a form of cellular respiration that occurs when oxygen is absent or scarce. Who am I?
Correct Answer
Anaerobic respiration
AnaerobicExplanation
Anaerobic respiration is a form of cellular respiration that takes place in the absence or scarcity of oxygen. During anaerobic respiration, cells break down glucose to produce energy without the use of oxygen. This process is less efficient than aerobic respiration and produces lactic acid or ethanol as byproducts. Anaerobic respiration is commonly observed in certain bacteria, yeast, and muscle cells during intense exercise when oxygen supply is insufficient to meet the energy demands of the body.Rate this question:
- 27.
I am the kingdom that includes the mammals and the reptiles and also the birds. Who am I?
Correct Answer
Animals, Animal, Animal KingdomExplanation
The correct answer is "Animal Kingdom." This is because the Animal Kingdom is a classification in biology that includes mammals, reptiles, and birds. It is one of the major taxonomic groups that categorizes living organisms based on their characteristics and evolutionary relationships.Rate this question:
- 28.
The ______ is the basic structural and functional unit of all living organisms.
Correct Answer
cell, CellExplanation
Cells are the fundamental building blocks of life, carrying out essential processes such as metabolism, growth, and reproduction. They can exist as single-celled organisms, like bacteria, or as part of multicellular organisms, like plants and animals.Rate this question:
- 29.
An atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons.
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True
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False
Correct Answer
A. TrueExplanation
This statement is true because it accurately describes the basic structure of an atom. An atom is composed of a central nucleus, which contains positively charged protons and neutral neutrons. This nucleus is surrounded by a cloud of negatively charged electrons, which orbit the nucleus in specific energy levels or shells. This model of the atom, known as the planetary model or the Bohr model, is widely accepted in chemistry and physics.Rate this question:
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- 30.
An ionic bond is a bond between two opposite charges. Cation to anion
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True
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False
Correct Answer
A. TrueExplanation
An ionic bond is formed when there is a transfer of electrons between atoms, resulting in the formation of ions with opposite charges. The positively charged ion is called a cation, and the negatively charged ion is called an anion. Therefore, an ionic bond is indeed a bond between two opposite charges, specifically a cation and an anion.Rate this question:
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- 31.
I am the growth part of the cell cycle and also the longest part. Who am I?
Correct Answer
G1Explanation
G1 is the growth phase of the cell cycle where the cell prepares for DNA replication and cell division. It is the longest phase because it involves cell growth, protein synthesis, and organelle replication. During G1, the cell also checks for any damage or errors in its DNA before proceeding to the next phase. Therefore, G1 is the correct answer as it accurately describes the growth part of the cell cycle and its duration.Rate this question:
- 32.
Which of these is an example of complete dominance?
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Aa
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AA
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Aa
Correct Answer
A. AAExplanation
AA is an example of complete dominance because it represents a homozygous dominant genotype, where both alleles are the same and dominant. In complete dominance, the dominant allele masks the effects of the recessive allele, resulting in the dominant trait being expressed in the phenotype.Rate this question:
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- 33.
A covalent bond joining two amino acids is a __________.
Correct Answer
Peptide bondExplanation
A peptide bond is formed when the carboxyl group of one amino acid reacts with the amino group of another amino acid, resulting in the release of a water molecule. This type of covalent bond is essential for the formation of proteins, as it links amino acids together in a chain-like structure. The peptide bond is characterized by its stability and rigidity, which allows proteins to maintain their specific three-dimensional structures and carry out their biological functions.Rate this question:
- 34.
I am the end of the cell cycle and I split the cells in half. Who am I?
Correct Answer
MitosisExplanation
Mitosis is the correct answer because it is the process in which a single cell divides into two identical daughter cells. It is the final stage of the cell cycle, where the cell's genetic material is evenly distributed between the two daughter cells. During mitosis, the cell undergoes a series of steps, including the splitting of the cell's nucleus (nuclear division) and the division of the cytoplasm (cytokinesis), resulting in the formation of two separate cells. Therefore, mitosis is responsible for the growth, development, and repair of tissues in multicellular organisms.Rate this question:
- 35.
Only the strong survive to reproduce.
Correct Answer
Natural selectionExplanation
Natural selection is the process by which certain traits or characteristics that are advantageous for survival and reproduction become more common in a population over time. It is based on the idea that individuals with these advantageous traits are more likely to survive and pass on their genes to the next generation, while those without these traits are less likely to reproduce. Therefore, only the individuals with strong traits that increase their chances of survival are able to reproduce, leading to the concept that "only the strong survive to reproduce."Rate this question:
- 36.
I am the kingdom that includes seaweed, algea and other unicelllar complex organisms. Who am I?
Correct Answer
Protist, ProtistsExplanation
The correct answer is Protist, Protists. Protists are a diverse group of eukaryotic microorganisms that include seaweed, algae, and other unicellular complex organisms. They are not classified as plants, animals, or fungi, but they share some characteristics with each of these groups. Protists play important roles in various ecosystems and have a wide range of forms and functions.Rate this question:
- 37.
A type of environment.
Correct Answer
biomeExplanation
A biome refers to a specific type of environment characterized by distinct climate, vegetation, and animal life. It is a large-scale ecosystem that covers a significant area on Earth. Biomes can include forests, deserts, grasslands, tundra, and aquatic ecosystems, each with its own unique set of organisms adapted to the specific conditions of that environment. The term "biome" helps categorize and understand the different types of environments found on our planet.Rate this question:
- 38.
An electron has a neutral charge
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True
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False
Correct Answer
A. FalseExplanation
An electron has a negative charge, not a neutral charge. Electrons are one of the fundamental particles that make up an atom, and they are negatively charged. The opposite of a neutral charge would be a positive charge, which is not the case for an electron.Rate this question:
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- 39.
An isotonic solution has an equal ammount of dissolved material.
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True
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False
Correct Answer
A. TrueExplanation
An isotonic solution is one in which the concentration of dissolved solutes is the same as the concentration inside the cells or tissues with which it is being compared. This means that there is an equal amount of dissolved material in the solution as there is inside the cells or tissues. Therefore, the statement "an isotonic solution has an equal amount of dissolved material" is true.Rate this question:
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- 40.
What kind of plant is this?
Correct Answer
Monocot, Monocot plantExplanation
The correct answer is Monocot, Monocot plant. The question is asking about the kind of plant shown in the image. The term "monocot" refers to a type of flowering plant that has a single cotyledon in its seed. Monocots are characterized by having parallel-veined leaves, scattered vascular bundles in their stems, and flower parts in multiples of three. Therefore, the correct answer is Monocot, Monocot plant, as it correctly identifies the plant in the image as a monocotyledonous plant.Rate this question:
- 41.
I am the second part of the cell cycle and I synthesize the genetic material. Who am I?
Correct Answer
S
Synthesis
SinthesisExplanation
The correct answer is "S, Synthesis". In the cell cycle, the S phase is the second part where DNA replication occurs. During this phase, the genetic material is synthesized or replicated to ensure that each daughter cell receives a complete set of DNA. Therefore, the S phase is responsible for synthesizing the genetic material, making it the correct answer. "Sinthesis" is likely a typo or misspelling of "synthesis" and is not a valid answer.Rate this question:
- 42.
Making energy out of glucose. Who am I ?
Correct Answer
Cell respiration
Cellular respirationExplanation
Cell respiration and cellular respiration are both correct answers for the question "Making energy out of glucose. Who am I?" These terms refer to the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water. During this process, the energy stored in glucose molecules is released and used by the cell to perform various functions. Cell respiration and cellular respiration are interchangeable terms used to describe this important metabolic process.Rate this question:
- 43.
A segment of a DNA or RNA molecule that does not code for proteins and interrupts the sequence of genes.
Correct Answer
IntronExplanation
An intron is a segment of a DNA or RNA molecule that does not contain the necessary information to code for proteins. It interrupts the sequence of genes and is removed during the process of RNA splicing, where the remaining segments called exons are joined together to form the final messenger RNA (mRNA) molecule. In this way, introns play a role in regulating gene expression and can contribute to the diversity of proteins that can be produced from a single gene.Rate this question:
- 44.
A class of enzymes vital to all living organisms. They are motor proteins that move directionally along a nucleic acid phosphodiester backbone, separating two annealed nucleic acid strands using energy derived from ATP hydrolysis.
Correct Answer
HelicaseExplanation
Helicase is a class of enzymes that play a crucial role in all living organisms. These enzymes act as motor proteins, moving in a specific direction along a nucleic acid phosphodiester backbone. Their main function is to separate two annealed nucleic acid strands by breaking the hydrogen bonds between them. This separation process requires energy, which is obtained from the hydrolysis of ATP. Therefore, helicase is responsible for unwinding and unzipping the double-stranded DNA or RNA molecules, allowing other enzymes and proteins to access the genetic information for replication, transcription, and other cellular processes.Rate this question:
- 45.
Is the science of identifying and naming species, and arranging them into a classification.
Correct Answer
TaxonomyExplanation
Taxonomy is the science of identifying and naming species and arranging them into a classification system. It involves categorizing organisms based on their shared characteristics and evolutionary relationships. Through taxonomy, scientists are able to organize and understand the vast diversity of species on Earth. It provides a standardized system for naming and classifying organisms, allowing for easier communication and study of biodiversity.Rate this question:
- 46.
____________ are used for photosynthesis
Correct Answer
chloroplasts, chloroplastExplanation
Chloroplasts and chloroplast are used for photosynthesis. Chloroplasts are the organelles found in the cells of plants and algae that are responsible for carrying out photosynthesis. They contain chlorophyll, a pigment that captures sunlight and converts it into energy. Chloroplast is the singular form of chloroplasts. Both chloroplasts and chloroplast play a crucial role in the process of photosynthesis, where they convert sunlight, carbon dioxide, and water into glucose and oxygen.Rate this question:
- 47.
Greenhouse gasses are trapped in atmosphere and cause global warming.
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Green effect
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Global warming effect
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Greenhouse effect
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Atmosphere effect
Correct Answer
A. Greenhouse effectExplanation
The correct answer is "Greenhouse effect". This is because greenhouse gases, such as carbon dioxide and methane, trap heat in the Earth's atmosphere, leading to global warming. This phenomenon is known as the greenhouse effect.Rate this question:
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- 48.
The type of chemical linkage between the monosaccharide units of disaccharides, oligosaccharides, and polysaccharides, which is formed by the removal of a molecule of water is a ___________.
Correct Answer
1-4 Glycosidic LinkageExplanation
A 1-4 glycosidic linkage is a type of chemical bond that forms between the monosaccharide units of disaccharides, oligosaccharides, and polysaccharides. This linkage is formed by the removal of a molecule of water. In a 1-4 glycosidic linkage, the carbon atom at position 1 of one monosaccharide is bonded to the carbon atom at position 4 of another monosaccharide. This type of linkage is important for the formation of complex carbohydrates, such as starch and cellulose, which play key roles in energy storage and structural support in living organisms.Rate this question:
- 49.
___________ is when to molecules are transported at the same place in the cell and at the same time. This is used during active transport.
Correct Answer
cotransport
co-transport
co-transportationExplanation
Cotransport, co-transport, or co-transportation refers to the process where two molecules are simultaneously transported to the same location within a cell. This mechanism is utilized during active transport, which requires the expenditure of energy to move molecules against their concentration gradient. The term "cotransport" can be used interchangeably with "co-transport" or "co-transportation" to describe this phenomenon.Rate this question:
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