How Do We See Things And Micro-organisms

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| By Ayesha Faiz
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Ayesha Faiz
Community Contributor
Quizzes Created: 1 | Total Attempts: 187
| Attempts: 187
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  • 1/10 Questions
    Light is a form of? - ProProfs

    Light is a form of?

    • Appearing bright
    • Energy
    • Sense organ
    • Power circuit
    • Source
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How Do We See Things And Micro-organisms - Quiz
About This Quiz

Explore the fascinating world of micro-organisms in this quiz, focusing on their identification, types, and the diseases they cause. Assess key skills in recognizing different microbes and understanding their roles in ecosystems and human health.

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  • 2. 
    Micro-organisms are also called? - ProProfs

    Micro-organisms are also called?

    • Bugs

    • Microbes

    • Tuna

    • Parasitic

    • Organisms

    Correct Answer
    A. Microbes
    Explanation
    Micro-organisms are commonly referred to as microbes. This term encompasses a wide range of microscopic organisms such as bacteria, viruses, fungi, and protozoa. These organisms are too small to be seen with the naked eye but play significant roles in various ecological processes, including decomposition, nutrient cycling, and disease. The term "bugs" is often used informally to refer to insects, while "tuna" is a type of fish and "parasitic" describes organisms that live off and harm other organisms. Therefore, the correct answer is microbes.

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  • 3. 
    A shadow is an area of darkness formed when............? - ProProfs

    A shadow is an area of darkness formed when............?

    • Light is completely or partially blocked by an object.

    • Light is not getting place to go through.

    • Light is bounced back to a person or an object.

    • Light is completely trap by a person.

    • Shape gets into the way of light.

    Correct Answer
    A. Light is completely or partially blocked by an object.
    Explanation
    A shadow is formed when light is completely or partially blocked by an object. When an object is placed in the path of light, it prevents the light from reaching certain areas, creating a shadow. The shadow appears as a dark area because the light is unable to pass through the object, resulting in a lack of illumination in that particular region.

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  • 4. 
    Yeast is a type of a? - ProProfs

    Yeast is a type of a?

    • Bacteria

    • Fungi

    • Parasitic

    • Virus

    • Infection

    Correct Answer
    A. Fungi
    Explanation
    Yeast is classified as a fungi because it is a single-celled organism that reproduces through budding or fission. Fungi are a diverse group of organisms that can be found in various habitats, including soil, water, and plants. They play important roles in decomposition and nutrient cycling. Yeast is commonly used in baking and brewing due to its ability to ferment sugar and produce carbon dioxide and alcohol.

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  • 5. 

    Which of the following  is not a light source?

    • Lightning

    • Stars

    • Sun

    • Moon

    • Burning candle

    Correct Answer
    A. Moon
    Explanation
    The moon is not a light source because it does not produce its own light. Instead, it reflects light from the sun. The other options listed (lightning, stars, sun, and burning candle) are all sources of light that emit their own illumination.

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  • 6. 
    Who observed  misro-organisms first? - ProProfs

    Who observed  misro-organisms first?

    • Anthony ven leowenheok

    • Louis Pasteur

    • Solar van leeuwenko

    • Anthony van Leeuwenhoek

    • Marie curie

    Correct Answer
    A. Anthony van Leeuwenhoek
    Explanation
    Anthony van Leeuwenhoek is credited with being the first person to observe microorganisms. He was a Dutch scientist who developed the first microscope capable of observing these tiny organisms. Through his observations, he discovered and described various microorganisms, including bacteria, protozoa, and sperm cells. His work laid the foundation for the field of microbiology and greatly contributed to our understanding of the microbial world.

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  • 7. 
    Which  of the following bacteria makes its own food? - ProProfs

    Which  of the following bacteria makes its own food?

    • Rotifer

    • E.coli bacteria

    • Shamson-co-bacteria

    • Salmonella bacteria

    • Cayanobacteria

    Correct Answer
    A. Cayanobacteria
    Explanation
    Cyanobacteria is the correct answer because it is a type of bacteria that is capable of photosynthesis, meaning it can produce its own food using sunlight as an energy source. This process is similar to how plants make their own food through photosynthesis. Cyanobacteria are known for their ability to convert sunlight, water, and carbon dioxide into carbohydrates and oxygen, making them self-sufficient in terms of food production.

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  • 8. 

    Which of the following disease is caused by bacteria?

    • Whooping cough

    • AIDS

    • Hepatitis

    • Common cold

    • Dengue fever

    Correct Answer
    A. Whooping cough
    Explanation
    Whooping cough is caused by the bacteria Bordetella pertussis. It is a highly contagious respiratory infection that affects the airways and causes severe coughing fits. The bacteria is spread through respiratory droplets when an infected person coughs or sneezes. Symptoms of whooping cough include a persistent cough, runny nose, fever, and difficulty breathing. It can be particularly dangerous for infants and young children, and vaccination is recommended to prevent the disease.

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  • 9. 
    Which of the following is the pond water misro-organisms? - ProProfs

    Which of the following is the pond water misro-organisms?

    • Anopheles

    • Staphylococcus aureus bacteria

    • Paramecium

    • Tobacco mosaic

    • E.coli bacteria

    Correct Answer
    A. Paramecium
    Explanation
    Paramecium is a correct answer because it is a common microorganism found in pond water. It is a single-celled organism that belongs to the group of ciliates and is characterized by its slipper-like shape and the presence of cilia on its surface. Paramecium is a heterotroph, meaning it feeds on other microorganisms and organic matter in the water. It is an important part of the pond ecosystem and plays a role in nutrient cycling.

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  • 10. 

    What is the thing which  enables us to see?

    • Eyes

    • Reflection

    • Light

    • Sense organs

    • Energy/raise

    Correct Answer
    A. Light
    Explanation
    Light enables us to see because it is the electromagnetic radiation that our eyes can detect. When light enters our eyes, it is focused onto the retina, which contains light-sensitive cells called rods and cones. These cells convert the light into electrical signals that are sent to the brain through the optic nerve. The brain then processes these signals, allowing us to perceive and interpret the visual information. Without light, our eyes would not be able to detect any visual stimuli, and therefore, we would not be able to see.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 23, 2010
    Quiz Created by
    Ayesha Faiz
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