Basic Biology Quiz

Reviewed by Stephen Reinbold
Stephen Reinbold, PhD, Biological Sciences |
Biology Expert
Review Board Member
Stephen Reinbold has a Ph.D. in Biological Sciences with a particular interest in teaching. He taught General Biology, Environmental Science, Zoology, Genetics, and Anatomy & Physiology for almost thirty years at Metropolitan Community College in Kansas City, Missouri. He particularly enjoyed emphasizing scientific methodology and student research projects. Now, enjoying retirement, he works part-time as an editor while also engaging in online activities.
, PhD, Biological Sciences
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Basic Biology Quiz - Quiz

Are you good at Biology? If yes, then you must take up this Basic Biology quiz that is designed to test your knowledge of this subject. Biology is one of the very important branches of science subject. This subject covers science concepts that deal with living organisms and their vital processes. Many students consider biology as one of the most interesting and easiest Science subjects. If you hold the same opinion about biology, then you must take this quiz below and see how well you can score. Wishing you the best of luck!


Basic Biology Questions and Answers

  • 1. 

    What do we call the most basic structural unit of living things?

    • A.

      DNA

    • B.

      Skin

    • C.

      Cell

    • D.

      Life

    Correct Answer
    C. Cell
    Explanation
    The most basic structure of living things is called a cell. Cells are the fundamental units of life and are responsible for carrying out all the necessary functions for an organism to survive and reproduce. They are the building blocks of all living organisms, from single-celled bacteria to complex multicellular organisms like plants and animals. Cells contain various organelles and genetic material, such as DNA, which enable them to perform their specific functions and contribute to the overall functioning of the organism.

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  • 2. 

    What is genetics?

    • A.

      Genetics is the study of microorganisms.

    • B.

      Genetics is the study of genes and heredity.

    • C.

      Genetics is the study of sexual reproduction.

    • D.

      Genetics is the study of environmental influences on organisms.

    Correct Answer
    B. Genetics is the study of genes and heredity.
    Explanation
    The correct answer is "Genetics is the study of genes and heredity." This answer accurately defines genetics as the scientific field that focuses on the study of genes and how traits are passed down from one generation to another. It involves understanding the structure and function of genes, as well as the mechanisms of inheritance.

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  • 3. 

    In order to identify the probability of inheritance, we can use a _________________.

    • A.

      Paper

    • B.

      Calculator

    • C.

      Computer

    • D.

      Punnett Square

    Correct Answer
    D. Punnett Square
    Explanation
    A Punnett Square is a tool used in genetics to determine the probability of inheritance. It is a grid that helps to predict the possible genotypes and phenotypes of offspring based on the genotypes of the parents. By crossing the alleles of the parents, the Punnett Square allows us to visualize the different combinations and calculate the likelihood of certain traits being passed on to the next generation. Therefore, a Punnett Square is an appropriate tool for identifying the probability of inheritance.

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  • 4. 

    Where is DNA found inside a cell?

    • A.

      Cytoplasm

    • B.

      Nucleus

    • C.

      Cell membrane

    • D.

      None of the above

    Correct Answer
    B. Nucleus
    Explanation
    DNA is found inside the nucleus of a cell. The nucleus is the control center of the cell and contains the genetic material, which is DNA. DNA carries the instructions for the cell's functions and characteristics. It is protected within the nucleus, surrounded by a nuclear membrane. The other options, cytoplasm, cell membrane, and mitochondria, do not contain the DNA of the cell.

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  • 5. 

    Photosynthesis is a chemical reaction that is important because ______________. 

    • A.

      It uses CO2 to produce sugar for producers and O2 as waste.

    • B.

      It uses O2 to produce sugar and CO2 as waste.

    • C.

      It helps synthesize proteins

    • D.

      This is not important

    Correct Answer
    A. It uses CO2 to produce sugar for producers and O2 as waste.
    Explanation
    Photosynthesis is a vital process because it utilizes carbon dioxide (CO2) to produce sugar, which serves as an essential energy source for producers such as plants. Additionally, photosynthesis releases oxygen (O2) as a byproduct, which is crucial for supporting aerobic respiration in organisms that rely on oxygen for survival. This process plays a significant role in maintaining the balance of gases in the atmosphere and sustaining life on Earth.

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  • 6. 

     Cellular Respiration is important because _____________________. 

    • A.

      It uses CO2 and sugar to produce energy (ATP)

    • B.

      It uses O2 and sugar to produce energy (ATP)

    • C.

      It is how living organisms breathe

    • D.

      Life

    Correct Answer
    B. It uses O2 and sugar to produce energy (ATP)
    Explanation
    Cellular respiration is important because it uses O2 and sugar to produce energy (ATP). ATP is the main source of energy for cells, and without cellular respiration, cells would not be able to generate the energy they need to carry out essential processes such as growth, repair, and reproduction. By breaking down sugar molecules and combining them with oxygen, cells are able to release the stored energy and convert it into ATP, which can then be used for various cellular activities.

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  • 7. 

    We use ______________ in ecology to help model how energy is transferred from one organism to another.

    • A.

      Food labels

    • B.

      Food notes

    • C.

      Food ladder

    • D.

      Food chain

    Correct Answer
    D. Food chain
    Explanation
    In ecology, a food chain is used to model how energy is transferred from one organism to another. It represents the flow of energy through different organisms, starting with producers (plants) and ending with consumers (animals). Each organism in the chain depends on the energy obtained from the organism it consumes. By studying food chains, ecologists can understand the dynamics of energy transfer and the interdependencies between different species in an ecosystem.

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  • 8. 

    What is an organism?

    • A.

      A living thing

    • B.

      An organ

    • C.

      A large group of molecules

    • D.

      An evolutionary unit

    Correct Answer
    A. A living thing
    Explanation
    An organism refers to a living thing that has the ability to grow, reproduce, and respond to stimuli. It can be a plant, animal, or microorganism. Organisms are made up of cells and have a complex structure and organization. They can obtain energy from their environment and carry out various biological processes necessary for their survival. Therefore, the correct answer is "a living thing."

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  • 9. 

    Meiosis is a process that helps make____________________ and ___________________

    • A.

      Brain cells and life

    • B.

      Body cells and life

    • C.

      Sex cells and genetic diversity

    • D.

      None of these

    Correct Answer
    C. Sex cells and genetic diversity
    Explanation
    Meiosis is a specialized cell division process that occurs in the reproductive organs to produce sex cells, such as sperm and eggs. These sex cells are essential for sexual reproduction and the continuation of the species. Additionally, meiosis plays a crucial role in generating genetic diversity. During meiosis, genetic material is shuffled and recombined, leading to the creation of unique combinations of genes in the offspring. This genetic diversity is important for the adaptation and evolution of populations.

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  • 10. 

    What does DNA stand for?

    • A.

      Deoxyribonucleic Acid

    • B.

      Dehydrogenated Acid

    • C.

      Dinitroamylose

    • D.

      Denaturedamylase

    Correct Answer
    A. Deoxyribonucleic Acid
    Explanation
    DNA stands for Deoxyribonucleic Acid. It is a molecule that carries genetic instructions for the development, functioning, growth, and reproduction of all known living organisms. The structure of DNA consists of two strands that are twisted together in a double helix shape. The sequence of nucleotides in DNA determines the genetic code, which is responsible for the diversity and uniqueness of individuals. DNA is found in the nucleus of cells and is essential for inheritance and the transmission of genetic information from one generation to the next.

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  • 11. 

    Who was Charles Darwin?

    • A.

      He was the Prince of Wales.

    • B.

      He was the scientist who uncovered the Theory of Evolution.

    • C.

      He contributed to cell theory.

    • D.

      He was a scientist who discovered DNA.

    Correct Answer
    B. He was the scientist who uncovered the Theory of Evolution.
    Explanation
    Charles Darwin was a renowned scientist who is best known for his work on the Theory of Evolution. He conducted extensive research and observations, especially during his voyage on the HMS Beagle, which led him to propose the concept of natural selection and the idea that species evolve over time. His groundbreaking work revolutionized the field of biology and had a profound impact on our understanding of the origins and development of life on Earth.

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Stephen Reinbold |PhD, Biological Sciences |
Biology Expert
Stephen Reinbold has a Ph.D. in Biological Sciences with a particular interest in teaching. He taught General Biology, Environmental Science, Zoology, Genetics, and Anatomy & Physiology for almost thirty years at Metropolitan Community College in Kansas City, Missouri. He particularly enjoyed emphasizing scientific methodology and student research projects. Now, enjoying retirement, he works part-time as an editor while also engaging in online activities.

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  • Current Version
  • May 30, 2024
    Quiz Edited by
    ProProfs Editorial Team

    Expert Reviewed by
    Stephen Reinbold
  • May 26, 2015
    Quiz Created by
    Atison
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