Quarter 1 Assessment Review
In this district assessment, answer a number of questions on the scientific process. How do predictions get tested? What is a logical explanation based on observation? What part of an experiment can be changed? Answer these questions and more below.
Questions and Answers
- 1.
To solve a problem, scientists follow a series of steps called...
- A.
Dichotomous key
- B.
Classification
- C.
Scientific method
- D.
Binomial nomenclature
Correct Answer
C. Scientific methodExplanation
The scientific method is a systematic approach that scientists use to solve problems and answer questions. It involves a series of steps, including making observations, formulating a hypothesis, conducting experiments, analyzing data, and drawing conclusions. This method allows scientists to gather evidence and test their ideas in a structured and objective manner. It is widely used in scientific research and helps ensure that investigations are rigorous and reliable.Rate this question:
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- 2.
A prediction of educated guess that can be tested is a...
- A.
Hypothesis
- B.
Scientific law
- C.
Theory
- D.
Variable
Correct Answer
A. HypothesisExplanation
A hypothesis is an educated guess or a proposed explanation that can be tested through experimentation or observation. It is a statement that suggests a possible relationship between variables or phenomena and is used to guide scientific research. Unlike a theory or scientific law, a hypothesis is not yet proven and requires further testing and evidence to either support or reject it. Therefore, a hypothesis is the most appropriate option among the given choices as it accurately describes a prediction that can be tested.Rate this question:
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- 3.
A logical explanation based on many observations is a...
- A.
Control
- B.
Variable
- C.
Hypothesis
- D.
Thoery
Correct Answer
D. ThoeryExplanation
A logical explanation based on many observations is a theory. Theories are well-substantiated explanations that have been tested and supported by a significant amount of evidence. They are developed through rigorous scientific methods and are used to explain phenomena or make predictions about the natural world. Theories are considered to be highly reliable and are widely accepted within the scientific community.Rate this question:
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- 4.
What is the part of an experiment that can be changed?
- A.
Conclusion
- B.
Variable
- C.
Control
- D.
Data
Correct Answer
B. VariableExplanation
The part of an experiment that can be changed is called a variable. Variables are factors or conditions that can be manipulated or controlled by the experimenter in order to observe their effect on the outcome of the experiment. In a scientific experiment, there are typically two types of variables: independent variables, which are intentionally changed by the experimenter, and dependent variables, which are the outcomes or results that are measured or observed. By manipulating the variables, scientists can investigate cause-and-effect relationships and gather data to support or refute hypotheses.Rate this question:
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- 5.
What is the part of the experiment that stays the same?
- A.
Conclusion
- B.
Variable
- C.
Control
- D.
Data
Correct Answer
C. ControlExplanation
The part of the experiment that stays the same is the control. The control is the group or condition in an experiment that does not receive any treatment or manipulation. It is used as a baseline to compare the results of the other groups or conditions that do receive the treatment or manipulation. By keeping the control constant, researchers can determine the effect of the independent variable on the dependent variable.Rate this question:
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- 6.
The science of classification is called...
- A.
Taxonomy
- B.
Botany
- C.
Astronomy
- D.
Chemistry
Correct Answer
A. TaxonomyExplanation
The science of classification is referred to as taxonomy. It involves categorizing and organizing living organisms into different groups based on their characteristics and relationships. This helps scientists understand the diversity of life and how different species are related to each other. Botany is the study of plants, astronomy is the study of celestial objects, and chemistry is the study of matter and its properties. None of these fields specifically focus on classification like taxonomy does.Rate this question:
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- 7.
What is the closest relative of Felis tigris?
- A.
Quercus alba
- B.
Equus zebra
- C.
Felis rufus
- D.
Canis familiaris
Correct Answer
C. Felis rufusExplanation
Felis tigris refers to the scientific name for the tiger. Felis rufus, on the other hand, refers to the scientific name for the bobcat. Therefore, the closest relative to the tiger is the bobcat.Rate this question:
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- 8.
Scientific names of organisms consist of...
- A.
Family and genus
- B.
Genus and species
- C.
Order and family
- D.
Class and order
Correct Answer
B. Genus and speciesExplanation
Scientific names of organisms consist of the genus and species names. This naming system, known as binomial nomenclature, was developed by Carl Linnaeus and is used to provide a unique and universal identification for each species. The genus name represents a group of closely related species, while the species name distinguishes one particular species within that genus. Together, the genus and species names create a specific scientific name for each organism, allowing scientists to communicate and classify species accurately.Rate this question:
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- 9.
The structure that gives shape and provides protection to a plant cell is called...
- A.
Ribosome
- B.
Mitochondria
- C.
Cell wall
- D.
Cell membrane
Correct Answer
C. Cell wallExplanation
The cell wall is the correct answer because it is the structure that gives shape and provides protection to a plant cell. The cell wall is a rigid layer located outside the cell membrane, and it provides support and protection against mechanical stress. It also helps maintain the shape of the cell and prevents it from bursting when water enters. Ribosomes and mitochondria are cellular organelles involved in protein synthesis and energy production, respectively. The cell membrane is a semi-permeable barrier that controls the movement of substances in and out of the cell.Rate this question:
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- 10.
Structures within the cytoplasm of cells are called...
- A.
Cell membrane
- B.
Nucleus
- C.
Organelles
- D.
Cell wall
Correct Answer
C. OrganellesExplanation
Organelles are structures within the cytoplasm of cells that perform specific functions necessary for the cell's survival and maintenance. They are like tiny organs within the cell, each with its own specialized function. Examples of organelles include the mitochondria, which produce energy for the cell, and the endoplasmic reticulum, which is involved in protein synthesis. The cell membrane, nucleus, and cell wall are also important components of a cell, but they are not considered organelles. The cell membrane is the outer boundary of the cell, the nucleus contains the cell's genetic material, and the cell wall provides structural support in plant cells.Rate this question:
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- 11.
Border around a cell that allows materials to pass through the cell.
- A.
Nucleus
- B.
Cell wall
- C.
Cytoplasm
- D.
Cell membrane
Correct Answer
D. Cell membraneExplanation
The cell membrane is a selectively permeable barrier that surrounds the cell, allowing materials to pass through it. It controls the movement of substances in and out of the cell, regulating the exchange of nutrients, waste products, and other molecules. The cell membrane is composed of a phospholipid bilayer with embedded proteins, which create channels and transporters that facilitate the movement of specific molecules across the membrane. This border around the cell is essential for maintaining homeostasis and allowing the cell to interact with its environment.Rate this question:
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- 12.
Moss does not have tube-like structures to move water, food and nutrients. It is a ___________ plant.
- A.
Non-vascular
- B.
Vascular
- C.
Coniferous
- D.
Deciduous
Correct Answer
A. Non-vascularExplanation
Moss does not have tube-like structures to move water, food, and nutrients, which are characteristic of vascular plants. Non-vascular plants lack specialized tissues for conducting water and nutrients throughout the plant. Therefore, the correct answer is non-vascular.Rate this question:
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- 13.
What is the primary function of a plant's vascular system?
- A.
To remove dead leaves and plant parts
- B.
To carry water and nutrients to different parts of the plant
- C.
To help the plant reproduce
- D.
To produce energy for the plant from the sun
Correct Answer
B. To carry water and nutrients to different parts of the plantExplanation
The primary function of a plant's vascular system is to carry water and nutrients to different parts of the plant. The vascular system consists of two main tissues, xylem and phloem, which work together to transport water, minerals, and sugars throughout the plant. Xylem transports water and minerals from the roots to the rest of the plant, while phloem transports sugars produced during photosynthesis to other parts of the plant for energy and growth. This transportation system ensures that all parts of the plant receive the necessary resources for survival and growth.Rate this question:
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- 14.
Information about xylem and phloem would most likely be found under which heading in a table of contents?
- A.
Vascular plants
- B.
Photosynthesis
- C.
Non-vascular plants
- D.
Respiration
Correct Answer
A. Vascular plantsExplanation
The information about xylem and phloem would most likely be found under the heading "vascular plants" in a table of contents. Xylem and phloem are two types of tissues that are responsible for transporting water, nutrients, and sugars throughout the plant. These tissues are unique to vascular plants, which have specialized structures for conducting fluids. Therefore, it is logical to expect that information about xylem and phloem would be included under the section dedicated to vascular plants in a table of contents.Rate this question:
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- 15.
If an organism is multi-cellular and makes it's own food, it must be a member of the _________ kingdom
- A.
Protista
- B.
Plant
- C.
Eubacteria
- D.
Animal
Correct Answer
B. PlantExplanation
An organism that is multicellular and makes its own food is most likely a plant. Plants are known for their ability to perform photosynthesis, which allows them to produce their own food using sunlight, water, and carbon dioxide. This process takes place in the chloroplasts of plant cells, where chlorophyll captures energy from sunlight to convert it into chemical energy. Being multicellular means that the organism is made up of multiple cells, which is a characteristic of plants. Therefore, the correct answer is plant.Rate this question:
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- 16.
It absorbs water and minerals from the ground.
- A.
Leaf
- B.
Root
- C.
Stem
- D.
Seed
Correct Answer
B. RootExplanation
The root is responsible for absorbing water and minerals from the ground. It anchors the plant in the soil and provides support. Additionally, it stores nutrients and carbohydrates for the plant's growth and development. Without roots, plants would not be able to obtain the necessary resources for survival and growth.Rate this question:
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- 17.
After the cut end of a carnation stem was placed into a glass of blue-colored water, the flower's petals changed from white to blue. Why did this occur?
- A.
The plant has a vascular system
- B.
The plant is dying
- C.
The plant's chloroplasts changed color
- D.
The plant's DNA changed
Correct Answer
A. The plant has a vascular systemExplanation
The correct answer is that the plant has a vascular system. The vascular system of a plant is responsible for transporting water and nutrients from the roots to the rest of the plant. When the cut end of the carnation stem was placed in the blue-colored water, the water was able to travel up the stem and reach the petals of the flower. As a result, the petals absorbed the blue-colored water, causing them to change color from white to blue.Rate this question:
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- 18.
The tubes that transport food and water between leaves and roots are located in the....
- A.
Leaf
- B.
Root
- C.
Stem
- D.
Seed
Correct Answer
C. StemExplanation
The tubes that transport food and water between leaves and roots are located in the stem. The stem acts as a conduit, allowing nutrients and water to flow from the roots to the leaves and photosynthetic products, such as sugars, to be transported from the leaves to the rest of the plant. The stem also provides support for the plant and houses vascular tissues, including xylem and phloem, which are responsible for the transportation of fluids.Rate this question:
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- 19.
Makes food for the plant.
- A.
Leaf
- B.
Root
- C.
Stem
- D.
Seed
Correct Answer
A. LeafExplanation
The leaf of a plant is responsible for photosynthesis, which is the process of converting sunlight, water, and carbon dioxide into glucose and oxygen. This glucose serves as food for the plant, providing energy for growth and development. Therefore, the leaf makes food for the plant through the process of photosynthesis.Rate this question:
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- 20.
In the animal cell below, structure A is the...
- A.
Nucleus
- B.
Mitochrondria
- C.
Cell membrane
- D.
Cytoplasm
Correct Answer
B. MitochrondriaExplanation
Structure A in the animal cell is the mitochondria. The mitochondria is known as the powerhouse of the cell, as it is responsible for generating energy in the form of ATP through cellular respiration. It contains its own DNA and can reproduce independently within the cell. The other options, such as the nucleus, cell membrane, and cytoplasm, have different functions and locations within the cell.Rate this question:
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- 21.
In the animal cell below, structure B is the....
- A.
Nucleus
- B.
Mitochondria
- C.
Cell membrane
- D.
Cytoplasm
Correct Answer
A. NucleusExplanation
Structure B in the animal cell is the nucleus. The nucleus is a membrane-bound organelle that contains the cell's genetic material, DNA. It is responsible for controlling the cell's activities and is involved in the regulation of gene expression and cell division. The other options, mitochondria, cell membrane, and cytoplasm, are also important components of the cell, but they are not represented by structure B in the given animal cell.Rate this question:
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- 22.
In the plant cell below, structure A is the...
- A.
Ribosome
- B.
Chloroplast
- C.
Golgi bodies
- D.
Vacuole
Correct Answer
D. VacuoleExplanation
Structure A in the plant cell is the vacuole. Vacuoles are membrane-bound organelles found in plant cells that store water, nutrients, and waste materials. They play a crucial role in maintaining turgor pressure, regulating cell size, and storing various substances. Vacuoles are typically large and occupy a significant portion of the cell's volume. This organelle is responsible for maintaining the cell's shape, storing essential molecules, and assisting in various cellular processes.Rate this question:
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- 23.
In the plant cell below, structure B is the...
- A.
Ribosome
- B.
Chloroplast
- C.
Golgi body
- D.
Vacuole
Correct Answer
B. ChloroplastExplanation
Structure B in the plant cell is the chloroplast. Chloroplasts are organelles found in plant cells that are responsible for photosynthesis. They contain chlorophyll, a pigment that captures sunlight and converts it into energy. Chloroplasts are characterized by their green color and have a double membrane structure. They play a vital role in producing glucose and oxygen, which are essential for the survival of plants.Rate this question:
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- 24.
"A scientist wants to know at which temperature radishes grow the best."This statement is what part of the scientific method?
- A.
Problem
- B.
Experiment
- C.
Data
- D.
Conclusion
Correct Answer
A. ProblemExplanation
The statement "A scientist wants to know at which temperature radishes grow the best" is part of the problem phase of the scientific method. In this phase, the scientist identifies and defines the problem or question they want to investigate. In this case, the problem is determining the optimal temperature for radish growth. This sets the foundation for the subsequent steps of the scientific method, such as designing experiments, collecting data, and drawing conclusions.Rate this question:
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- 25.
Place the seven major classification groups in order from largest to smallest.
- A.
Phylum, class, kingdom, order, family, genus, species
- B.
Kingdom, phylum, class, order, family, genus, species
- C.
Kingdom, phylum, order, family, class, genus, species
- D.
Genus, species, class, order, kingdom, family, phylum
Correct Answer
B. Kingdom, phylum, class, order, family, genus, speciesExplanation
The correct order of the seven major classification groups from largest to smallest is kingdom, phylum, class, order, family, genus, species. This is because classification starts with the broadest category, which is the kingdom, and then narrows down to more specific categories such as phylum, class, order, family, genus, and finally species.Rate this question:
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- 26.
1a. If the creature has a wide head, go to step 2.1b. If the creature has a narrow head, go to step 3.2a. If the creature has 2 eyes, it is a Wideous biocculi.2b. If the creature has 3 eyes, it is a Wideous triocculi.3a. If the creature has antennae, go to step 4.3b. If the creature does not have antennae, it is a Narrowus baldous.4a. If the creature has a mouth, it is a Narrowus oralis.4b. If the creature does not have a mouth, it is a Narrowus aoralis.Using the dichotomous key, identify creature B.
- A.
Wideous biocculi
- B.
Wideeous triocculi
- C.
Narrowus aoralis
- D.
Narrowus oralis
- E.
Narrowus baldous
Correct Answer
E. Narrowus baldousExplanation
Based on the given dichotomous key, we can identify creature B as a Narrowus baldous because it has a narrow head, does not have antennae, and does not have a mouth. This matches the criteria given in step 1b, step 3b, and step 4b of the key. Therefore, the correct answer is Narrowus baldous.Rate this question:
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- 27.
1a. If the creature has a wide head, go to step 2. 1b. If the creature has a narrow head, go to step 3. 2a. If the creature has 2 eyes, it is a Wideous biocculi. 2b. If the creature has 3 eyes, it is a Wideous triocculi. 3a. If the creature has antennae, go to step 4. 3b. If the creature does not have antennae, it is a Narrowus baldous. 4a. If the creature has a mouth, it is a Narrowus oralis. 4b. If the creature does not have a mouth, it is a Narrowus aoralis. According to this dichotomous key, what is the difference between Wideous biocculi and Wideous triocculi?
- A.
Whether or not it has a mouth
- B.
The shape of its head
- C.
The number of eyes
- D.
Whether or not it has antennae
Correct Answer
C. The number of eyesExplanation
The difference between Wideous biocculi and Wideous triocculi, according to the given dichotomous key, is the number of eyes. Wideous biocculi has 2 eyes, while Wideous triocculi has 3 eyes.Rate this question:
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Sep 27, 2010Quiz Created by
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