Unit A: Continuity Of Life

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Questions: 14 | Attempts: 305

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Life Quizzes & Trivia

This “Continuity of Life” quiz deals with a wide range of biological topics, on which you will be tested today. Know your stuff about RNA, invertebrates, sunlight, disease, organisms, extinction and fossils? Test yourself now!


Questions and Answers
  • 1. 

    A particular multicellular organism neither makes nor eats food. This organism is classified in which kingdom?

    • A.

      Animalia

    • B.

      Fungi

    • C.

      Plantae

    • D.

      Protista

    Correct Answer
    B. Fungi
    Explanation
    The correct answer is Fungi because fungi are heterotrophic organisms that do not have the ability to produce their own food through photosynthesis like plants. Instead, they obtain nutrients by decomposing organic matter or by parasitizing other organisms. This multicellular organism that neither makes nor eats food aligns with the characteristics of fungi, making it the most suitable classification.

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  • 2. 

    What causes infectious disease?

    • A.

      Poor nutrition

    • B.

      Lack of exercise

    • C.

      Viruses and bacteria

    • D.

      Inherited conditions

    Correct Answer
    D. Inherited conditions
  • 3. 

    Which statement about RNA is NOT true?

    • A.

      It forms one strand.

    • B.

      One of its bases is uracil.

    • C.

      It builds up to form genes.

    • D.

      It is used to create proteins.

    Correct Answer
    C. It builds up to form genes.
    Explanation
    RNA is involved in the process of gene expression, where the information encoded in DNA is used to create proteins. However, RNA itself does not directly build up to form genes. Genes are segments of DNA that contain the instructions for building proteins, and RNA molecules are transcribed from DNA to carry out these instructions. Therefore, the statement "It builds up to form genes" is not true.

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  • 4. 

    A tiger is an example of an invertebrate.

    • A.

      Tue

    • B.

      False

    Correct Answer
    B. False
  • 5. 

    Which organelle captures the energy of sunlight?

    • A.

      Chloroplast

    • B.

      Vacuole

    • C.

      Cytoplasm

    • D.

      Mitochondria

    Correct Answer
    A. Chloroplast
    Explanation
    The chloroplast is the organelle responsible for capturing the energy of sunlight. It contains a pigment called chlorophyll, which absorbs sunlight and converts it into chemical energy through the process of photosynthesis. This energy is then used to produce glucose, which serves as a source of energy for the cell. The other options, vacuole, cytoplasm, and mitochondria, do not play a direct role in capturing sunlight energy.

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  • 6. 

    Scientists use a ________________________ to help classify organisms.

    Correct Answer
    dichotomous key
    Explanation
    Scientists use a dichotomous key to help classify organisms. A dichotomous key is a tool that consists of a series of paired statements or questions that guide the user to the correct identification of an organism. By providing a choice between two contrasting characteristics, the key allows scientists to systematically narrow down the possibilities and determine the organism's classification based on its unique characteristics. This methodical approach helps scientists in accurately identifying and classifying organisms in a systematic and organized manner.

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  • 7. 

    A(n) _____________ is the preserved remains or trace of an organism that lived in the distant past.

    Correct Answer
    fossil
    Explanation
    A fossil is the preserved remains or trace of an organism that lived in the distant past. Fossils are formed when an organism is buried in sediment and over time, the minerals in the sediment replace the organic material, preserving the shape and structure of the organism. Fossils provide valuable information about ancient life forms and the history of the Earth. They can help scientists understand evolutionary processes, ancient ecosystems, and the geological history of different regions.

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  • 8. 

    Small structures in cells that have specific jobs are called _______________.

    Correct Answer
    organells
    Explanation
    Small structures in cells that have specific jobs are called organells. These organells perform various functions within the cell, such as energy production, protein synthesis, and waste removal. They are like specialized compartments that work together to ensure the proper functioning of the cell. Examples of organells include the mitochondria, which produce energy, the nucleus, which contains the cell's DNA, and the Golgi apparatus, which processes and packages proteins.

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  • 9. 

    The death of all members of a species is called _________________.

    Correct Answer
    extinction
    Explanation
    The term "extinction" refers to the complete disappearance or death of all members of a particular species. It occurs when a species fails to adapt and survive in its environment, leading to its ultimate demise. Extinction can be caused by various factors such as environmental changes, habitat loss, natural disasters, or human activities. When a species becomes extinct, it means that there are no more individuals of that species left alive, resulting in the permanent loss of that species from the Earth.

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  • 10. 

    Ancient bacteria that live in extreme environments are classified in Kingdom ____________.

    Correct Answer
    Archaebacteria
    Explanation
    Ancient bacteria that live in extreme environments are classified in the Kingdom Archaebacteria. Archaebacteria, also known as Archaea, are a group of microorganisms that thrive in extreme conditions such as high temperatures, high salinity, or acidic environments. They are distinct from other bacteria and have unique characteristics that differentiate them from both bacteria and eukaryotes. Examples of extreme environments where Archaebacteria can be found include hot springs, deep-sea hydrothermal vents, and salt flats. Their ability to survive in such harsh conditions makes them important for studying the origins of life and their potential applications in biotechnology and medicine.

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  • 11. 

    A tiger is an example of an invertebrate.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
  • 12. 

    You observe a piece of tissue under the microscope. Each cell of the tissue has a cell wall, a cell membrane, a nucleus, and organelles including chloroplasts and large vacuoles. What type of organism did this tissue come from?

  • 13. 

    The dominant allele for flower color in pea plants is purple (P). The recessive allele is white (p). Out of a generation of 100 pea plants, 31 have alleles PP, 46 have alleles Pp, and 23 have alleles pp. How many of the plants are purple? How do you know?

  • 14. 

    What is the difference between an imprint fossil and a cast fossil?

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 25, 2010
    Quiz Created by
    Michellegideon
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