Biology Midterm Ultimate Test: Quiz

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Biology Midterm Ultimate Test: Quiz - Quiz


Biology midterm ultimate test quiz. Biology is the study of all living things and the environment they live in. The cells are the building blocks for life as every living is made from them. There are different processes that plants and animals go through in order to maintain life, and in this quiz, you will get to review most of them. Do give it a shot and see how well you do!


Questions and Answers
  • 1. 

    Name the process in which water and Carbon dioxide plus sunlight yield glucose and oxygen.

    • A.

      Respiration

    • B.

      Photosyntesis

    • C.

      Diffussion

    • D.

      Osmosis

    • E.

      Dcdcd

    Correct Answer
    B. Photosyntesis
    Explanation
    Photosynthesis is the correct answer because it is the process by which plants, algae, and some bacteria convert sunlight, water, and carbon dioxide into glucose and oxygen. This process occurs in the chloroplasts of plant cells and is essential for the production of food and oxygen in the ecosystem.

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  • 2. 

    Name the process in which oxygen and glucose are decomposed to yield water and Carbon dioxide.

    • A.

      Respiration

    • B.

      Photosynthesis

    • C.

      Diffussion

    • D.

      Osmosis

    Correct Answer
    A. Respiration
    Explanation
    Respiration is the correct answer because it is the process by which oxygen and glucose are broken down in cells to produce water and carbon dioxide. This process occurs in all living organisms to release energy that is necessary for various cellular activities. Photosynthesis, on the other hand, is the process by which plants convert sunlight into energy, while diffusion and osmosis are processes related to the movement of molecules across membranes.

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  • 3. 

    Key to the study of biology is learning about the _______________________.

    • A.

      Rocks

    • B.

      Life around us

    • C.

      Chemicals

    Correct Answer
    B. Life around us
    Explanation
    The key to the study of biology is learning about life around us. Biology is the scientific study of living organisms and their interactions with the environment. By studying life around us, we can gain a deeper understanding of the various processes and phenomena that occur in living organisms. This knowledge is crucial for further advancements in the field of biology and for addressing various biological challenges and issues.

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  • 4. 

    Ecosystems, biotic factors, and abiotic factors make up the

    • A.

      Biosphere

    • B.

      Atmosphere

    • C.

      Earth

    • D.

      Ecosystems

    Correct Answer
    A. Biosphere
    Explanation
    The biosphere is made up of ecosystems, biotic factors (living organisms), and abiotic factors (non-living components) such as air, water, and soil. It encompasses all the regions of the Earth where life exists, including the atmosphere, hydrosphere, and lithosphere. The biosphere is a dynamic and interconnected system where organisms interact with each other and their environment. It plays a crucial role in maintaining the balance of life on Earth, as it provides habitats, resources, and ecological services for all living organisms.

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  • 5. 

    All living things are made up of _______________

    • A.

      Cork

    • B.

      Cells

    • C.

      Waste

    Correct Answer
    B. Cells
    Explanation
    Living things are made up of cells. Cells are the basic structural and functional units of life. They are the building blocks of all living organisms, from simple single-celled organisms to complex multicellular organisms. Cells carry out various functions necessary for life, such as obtaining and using energy, reproducing, and responding to their environment. Cork and waste are not the correct options as they are not fundamental components of living organisms.

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  • 6. 

    In plants, the structures that transform light energy into chemical energy are called ______.

    • A.

      Cilia

    • B.

      Chlorpalsts

    • C.

      Organelles

    Correct Answer
    B. Chlorpalsts
    Explanation
    Chloroplasts are the structures in plants that convert light energy into chemical energy through the process of photosynthesis. They contain chlorophyll, a pigment that absorbs light, and other enzymes necessary for the synthesis of glucose. This glucose is then used by the plant as a source of energy for growth and other metabolic processes.

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  • 7. 

    If a cell contains a nucleus, it must be a(n)_____________.

    • A.

      Plant cell

    • B.

      Eukaryotic cell

    • C.

      Prokaryotic cell

    Correct Answer
    B. Eukaryotic cell
    Explanation
    The presence of a nucleus in a cell indicates that it is a eukaryotic cell. Eukaryotic cells are characterized by having a true nucleus, which contains the cell's genetic material. This is in contrast to prokaryotic cells, which do not have a nucleus and instead have their genetic material dispersed throughout the cell. Plant cells are a type of eukaryotic cell, so if a cell contains a nucleus, it is most likely a plant cell.

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  • 8. 

    A group of organisms all of the same species _________________

    • A.

      Producer

    • B.

      Community

    • C.

      Population

    Correct Answer
    C. Population
    Explanation
    A group of organisms all of the same species is referred to as a population. A population consists of individuals of the same species living in the same geographical area and capable of interbreeding. This term is used to describe the number and characteristics of a specific species within a given area. It helps scientists understand the dynamics and interactions within a particular species and study their distribution, abundance, and genetic diversity.

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  • 9. 

    Short hair like projections used for locomotion are _______________

    • A.

      Flagellum

    • B.

      Cilia

    • C.

      Cell wall

    Correct Answer
    B. Cilia
    Explanation
    Cilia are short hair-like projections that are used for locomotion. They are found on the surface of many types of cells and are responsible for the movement of fluids and particles along the cell's surface. Cilia have a coordinated beating motion that propels the cell or moves substances across the cell's surface. They are particularly important in the respiratory system, where they help to move mucus and trapped particles out of the lungs. Therefore, cilia are the correct answer for this question.

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  • 10. 

    In Plants, structures that transform light energy into chemical energy are called______

    • A.

      Cilia

    • B.

      Chloroplast

    • C.

      Mitochondria

    Correct Answer
    B. Chloroplast
    Explanation
    Chloroplasts are the structures in plants that convert light energy into chemical energy through a process called photosynthesis. They contain a pigment called chlorophyll which absorbs light energy and uses it to convert carbon dioxide and water into glucose and oxygen. This process is essential for the plant's survival as it provides the energy needed for growth and other metabolic activities. Cilia are hair-like structures found in some organisms for movement, while mitochondria are responsible for producing energy in the form of ATP through cellular respiration.

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  • 11. 

    In plants and in animals, the double membrane structure transforms food into energy the cell can use.

    • A.

      Cila

    • B.

      Chloroplast

    • C.

      Mitochondria

    Correct Answer
    C. Mitochondria
    Explanation
    Mitochondria are double membrane structures found in both plants and animals that play a crucial role in transforming food into energy that cells can use. They are often referred to as the "powerhouse" of the cell because they produce adenosine triphosphate (ATP), which is the main source of energy for cellular activities. Therefore, mitochondria are responsible for converting the chemical energy present in food molecules into a usable form of energy for the cell.

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  • 12. 

    Water moves into a cell placed in a (n) _______solution.

    • A.

      Osmotic

    • B.

      Hypertonic

    • C.

      Hypotonic

    Correct Answer
    C. Hypotonic
    Explanation
    When a cell is placed in a hypotonic solution, it means that the concentration of solutes outside the cell is lower than inside the cell. As a result, water moves into the cell through osmosis, causing the cell to swell or potentially burst. Therefore, the correct answer is "hypotonic" because water moves into the cell in this type of solution.

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  • 13. 

    Water moves out of a cell if the cell is placed in a(n) __________solution.

    • A.

      Osmotic

    • B.

      Hypertonic

    • C.

      Hypotonic

    Correct Answer
    B. Hypertonic
    Explanation
    When a cell is placed in a hypertonic solution, the concentration of solutes outside the cell is higher than inside the cell. This creates a concentration gradient, causing water to move out of the cell through osmosis in an attempt to equalize the solute concentrations. As a result, the cell shrinks and loses water.

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  • 14. 

    Unlike plant cells animal cells contain _______________

    • A.

      Cell walls

    • B.

      Nucleus

    • C.

      Centrioles

    Correct Answer
    C. Centrioles
    Explanation
    Animal cells contain centrioles, which are small cylindrical structures involved in cell division. Centrioles play a crucial role in organizing the microtubules that form the spindle fibers during cell division, ensuring the proper separation of chromosomes. Plant cells, on the other hand, have cell walls made of cellulose, which provide support and protection but are absent in animal cells. Both plant and animal cells have a nucleus, which contains the genetic material and controls the cell's activities.

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  • 15. 

    Select the organic compound that contains phosphorous.

    • A.

      Carbohydrate

    • B.

      Lipids

    • C.

      Proteins

    • D.

      Nucleic acids

    Correct Answer
    D. Nucleic acids
    Explanation
    Nucleic acids are the correct answer because they are organic compounds that contain phosphorous. Nucleic acids, such as DNA and RNA, are made up of nucleotides, which consist of a sugar molecule, a phosphate group, and a nitrogenous base. The phosphate group in nucleic acids contains phosphorous, making nucleic acids the only option among the given choices that contains this element. Carbohydrates, lipids, and proteins do not typically contain phosphorous in their chemical structure.

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  • 16. 

    Water is a

    • A.

      Element

    • B.

      Compound

    • C.

      Macromolecule

    Correct Answer
    B. Compound
    Explanation
    Water is a compound because it is made up of two different elements, hydrogen and oxygen, chemically bonded together. A compound is a substance composed of two or more elements in a fixed ratio, and water fits this definition as it always contains two hydrogen atoms for every one oxygen atom. Additionally, compounds have properties that are different from the elements they are made of, and water exhibits unique properties such as its ability to dissolve many substances and its high boiling point.

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  • 17. 

    Which one is a formula for a compound?

    • A.

      C

    • B.

      H

    • C.

      O2

    • D.

      NaCl

    Correct Answer
    D. NaCl
    Explanation
    NaCl is a formula for a compound because it represents the chemical formula for sodium chloride, which is a compound made up of sodium and chlorine atoms. The combination of these two elements forms a stable compound with unique properties and characteristics.

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  • 18. 

    Enzymes are

    • A.

      Proteins

    • B.

      Lipids

    • C.

      Carbohydrates

    • D.

      Nuceic acids

    Correct Answer
    A. Proteins
    Explanation
    Enzymes are proteins that act as catalysts in biological reactions. They help speed up chemical reactions by lowering the activation energy required for the reaction to occur. Proteins are made up of amino acids, which are joined together by peptide bonds. Enzymes have specific three-dimensional structures that allow them to bind to specific substrates and convert them into products. This specificity is crucial for their function in regulating metabolic pathways and maintaining homeostasis in living organisms. Therefore, the correct answer is proteins.

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  • 19. 

    Carbon-12, Carbon-13, and Carbon-14 are

    • A.

      Ion

    • B.

      Compounds

    • C.

      Monosaccharides

    • D.

      Isotopes

    Correct Answer
    D. Isotopes
    Explanation
    Carbon-12, Carbon-13, and Carbon-14 are isotopes. Isotopes are atoms of the same element that have different numbers of neutrons in their nucleus. In the case of carbon, the number of protons (6) always remains the same, but the number of neutrons can vary. Carbon-12 has 6 neutrons, Carbon-13 has 7 neutrons, and Carbon-14 has 8 neutrons. These isotopes have slightly different atomic masses but share similar chemical properties. Isotopes are important in various fields such as radiocarbon dating and nuclear medicine.

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  • 20. 

    If an element has the same number of protons but different numbers of neutrons it is called

    • A.

      Ion

    • B.

      Compound

    • C.

      Monosacharides

    • D.

      Isotopes

    Correct Answer
    D. Isotopes
    Explanation
    Isotopes are elements that have the same number of protons but different numbers of neutrons. This means that they have the same atomic number but different atomic masses. Isotopes can have different physical and chemical properties due to the varying number of neutrons, but they still belong to the same element.

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  • 21. 

    An element with a positive or negative charge is called

    • A.

      Ion

    • B.

      Compound

    • C.

      Monosacharide

    • D.

      Isotope

    Correct Answer
    A. Ion
    Explanation
    An ion is an element that has gained or lost electrons, resulting in a positive or negative charge. This charge is due to an imbalance between the number of protons and electrons in the atom. Ions play a crucial role in chemical reactions and can form compounds by combining with other ions or atoms. Therefore, the correct answer is ion.

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  • 22. 

    If an element loses an electron and has more protons than electrons the element will have a ___________charge?

    • A.

      Positive

    • B.

      Negative

    • C.

      Neutral

    Correct Answer
    A. Positive
    Explanation
    When an element loses an electron, it becomes positively charged because it now has more protons than electrons. Protons have a positive charge, while electrons have a negative charge. As a result, the element will have an overall positive charge.

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  • 23. 

    Determine the total number of atoms in water's chemical formula H   0?

    • A.

      3

    • B.

      7

    • C.

      8

    • D.

      10

    Correct Answer
    A. 3
    Explanation
    The chemical formula of water is H2O, which means it contains two hydrogen atoms (H) and one oxygen atom (O). Therefore, the total number of atoms in water's chemical formula is 3.

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  • 24. 

    An atom of fluorine has 9 electrons. How many electrons are in its second energy level?

    • A.

      7

    • B.

      2

    • C.

      9

    • D.

      4

    Correct Answer
    B. 2
    Explanation
    The second energy level of an atom can hold a maximum of 8 electrons. Since fluorine has 9 electrons, 2 of them would be in its second energy level.

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  • 25. 

    Protons have a ______________

    • A.

      Negative

    • B.

      Neutral

    • C.

      Positive

    Correct Answer
    C. Positive
    Explanation
    Protons have a positive charge. Protons are subatomic particles found in the nucleus of an atom and they carry a positive charge. This positive charge is equal in magnitude to the negative charge carried by electrons, which balance out the overall charge of an atom.

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  • 26. 

    Neutrons have a

    • A.

      Negative

    • B.

      Neutral

    • C.

      Positive

    Correct Answer
    B. Neutral
    Explanation
    Neutrons have a neutral charge because they do not have a positive or negative charge. They are subatomic particles found in the nucleus of an atom along with protons. While protons have a positive charge and electrons have a negative charge, neutrons do not possess any charge. This neutrality allows them to stabilize the nucleus by counteracting the repulsive forces between protons.

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  • 27. 

    Our genetic code is written on

    • A.

      Lipids

    • B.

      Proteins

    • C.

      Nucleic acids

    • D.

      Carbohydrates

    Correct Answer
    C. Nucleic acids
    Explanation
    Nucleic acids, specifically DNA and RNA, contain the genetic code in our cells. These molecules are made up of nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base. The sequence of these bases in the nucleic acids determines the information encoded in our genes, which ultimately determines our traits and characteristics. Lipids, proteins, and carbohydrates are important biomolecules in our bodies, but they do not carry the genetic information encoded in nucleic acids.

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  • 28. 

    Sugar is a monomer of

    • A.

      Lipids

    • B.

      Proteins

    • C.

      Nucleic acids

    • D.

      Carbohydrates

    Correct Answer
    D. Carbohydrates
    Explanation
    Sugar is a monomer of carbohydrates. Carbohydrates are organic compounds that are composed of carbon, hydrogen, and oxygen atoms. They are one of the main sources of energy for the body. Sugars, such as glucose and fructose, are simple carbohydrates and serve as the building blocks or monomers of larger carbohydrate molecules. These larger molecules can include starch, cellulose, and glycogen, which are important for energy storage and structural support in plants and animals. Therefore, the correct answer is carbohydrates.

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  • 29. 

    Two or more element joined chemically in fixed proportions is called a(n)

    • A.

      Compound

    • B.

      Atom

    • C.

      Molecules

    Correct Answer
    A. Compound
    Explanation
    A compound is formed when two or more elements chemically combine in fixed proportions. In a compound, the elements are bonded together to form a new substance with unique properties. This is different from atoms, which are the basic building blocks of matter, and molecules, which are formed when two or more atoms are bonded together but may not have fixed proportions. Therefore, the correct answer is compound.

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  • 30. 

    Amino acids are the monomer of

    • A.

      Lipids

    • B.

      Proteins

    • C.

      Nuceic acids

    • D.

      Carbohydrates

    Correct Answer
    B. Proteins
    Explanation
    Amino acids are the monomers of proteins. Proteins are composed of long chains of amino acids that are linked together by peptide bonds. Each amino acid has a unique side chain, or R-group, which determines its characteristics and function within a protein. These chains of amino acids fold and interact with each other to form the complex three-dimensional structures of proteins. Therefore, proteins are made up of amino acids, making the correct answer proteins.

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  • 31. 

    The organelle that stores water, salts and other dissolved minerals in the cell (usually larger in plant cells).

    • A.

      Centrioles

    • B.

      Endoplasmic reticulum

    • C.

      Valcuole

    • D.

      Lysosome

    Correct Answer
    C. Valcuole
    Explanation
    The correct answer is vacuole. Vacuoles are organelles found in plant cells that store water, salts, and other dissolved minerals. They are usually larger in plant cells compared to animal cells. Vacuoles play a crucial role in maintaining cell turgidity, storing nutrients, and regulating the osmotic balance within the cell. They also aid in the removal of waste products and contribute to the overall structure and support of the plant cell.

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  • 32. 

    Organelles in animals that contain digestive enzymes and help the cell to clean up waste.

    • A.

      Centrioles

    • B.

      Endoplasmic Reticulum

    • C.

      Vacuole

    • D.

      Lysosome

    Correct Answer
    D. Lysosome
    Explanation
    Lysosomes are organelles in animals that contain digestive enzymes and help the cell to clean up waste. They are responsible for breaking down cellular waste materials, such as old cell parts, foreign substances, and bacteria, through a process called autophagy. Lysosomes also play a role in recycling cellular components by breaking them down into their basic building blocks, which can then be used for the synthesis of new molecules. Therefore, lysosomes are essential for maintaining cellular cleanliness and proper functioning.

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  • 33. 

    Organelles involved in cell division.

    • A.

      Centrioles

    • B.

      Endoplasmic Reticulum

    • C.

      Valcuole

    • D.

      Lysosome

    Correct Answer
    A. Centrioles
    Explanation
    Centrioles are organelles involved in cell division. They play a crucial role in the formation of the mitotic spindle, which helps in the separation of chromosomes during cell division. Centrioles are found in pairs and are located near the nucleus of animal cells. They organize microtubules and are responsible for the movement of chromosomes during cell division. Without centrioles, cells would not be able to divide properly, leading to various abnormalities and disorders. Therefore, centrioles are essential organelles for cell division.

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  • 34. 

    Packages and sorts of material.

    • A.

      Nucleus

    • B.

      Golgi apparatus

    • C.

      Endoplamic reticulum

    • D.

      Lysosmes

    Correct Answer
    B. Golgi apparatus
    Explanation
    The Golgi apparatus is responsible for packaging and sorting materials within the cell. It receives proteins and lipids from the endoplasmic reticulum and modifies them before sending them to their final destination. It consists of a series of stacked membrane-bound sacs called cisternae. The Golgi apparatus plays a crucial role in the secretion of proteins, the formation of lysosomes, and the transport of materials within the cell.

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  • 35. 

    ____________________is a network of tubules, vesicles and sacs that are interconnected and transports materials. Transportation highway. 

    • A.

      Nucleus

    • B.

      Golgi aparatus

    • C.

      Endoplasmic reticulum

    • D.

      Lysosome

    Correct Answer
    C. Endoplasmic reticulum
    Explanation
    The endoplasmic reticulum is a network of tubules, vesicles, and sacs that are interconnected and transports materials within the cell. It functions as a transportation highway, allowing molecules such as proteins and lipids to move from one part of the cell to another.

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  • 36. 

    Control center of the cell.

    • A.

      Nucleus

    • B.

      Golgi aparatus

    • C.

      Endoplasmic reticulum

    • D.

      Lysosome

    Correct Answer
    A. Nucleus
    Explanation
    The nucleus is the control center of the cell because it contains the cell's genetic material, which includes DNA. It regulates the cell's activities by controlling the synthesis of proteins and the replication of DNA. The nucleus also plays a crucial role in cell division, as it is responsible for coordinating the process of mitosis. Additionally, the nucleus is surrounded by a nuclear membrane that separates it from the rest of the cell, allowing it to maintain a distinct and protected environment.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 12, 2009
    Quiz Created by
    Ms. Womack
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