DailyQuiz
About today's quiz

Biology — Beginner

A new quiz is published every day for this topic and level. Answer the questions, read the explanations, and complete the quiz to keep your streak alive.

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  • •Read every question carefully before answering. Some questions include subtle wording that changes the correct answer.
  • •Take your time on the first question. There is no time limit, but your total time is tracked for your statistics.
  • •After each answer, read the explanation. Even correct answers often include useful context you might not know.
  • •Come back tomorrow for a brand new quiz on the same topic. Daily practice is the most effective way to retain what you learn.
BeginnerScience
Today's questions

Today's quiz questions

These are the questions that make up today's quiz. Test your knowledge, see how much you know, and learn from the explanation behind every answer.

  1. 1.What is the largest organ in the human body?

    • •Skin
    • •Lungs
    • •Liver
    • •Heart

  2. 2.What is the difference between warm-blooded and cold-blooded animals?

    • •Warm-blooded animals are larger; cold-blooded animals are smaller
    • •Warm-blooded animals live in hot climates; cold-blooded animals live in cold climates
    • •Warm-blooded animals have blood; cold-blooded animals have a different circulatory fluid
    • •Warm-blooded animals regulate temperature internally; cold-blooded ones rely on the environment

  3. 3.What are the three main types of rocks?

    • •Calcium, silica, and feldspar
    • •Igneous, sedimentary, and metamorphic
    • •Volcanic, aquatic, and terrestrial
    • •Limestone, granite, and marble

  4. 4.What part of the plant conducts photosynthesis?

    • •Leaves
    • •Flowers
    • •Roots
    • •Stem

  5. 5.What is the water cycle?

    • •The process by which water is purified in a treatment plant
    • •The continuous movement of water through the environment
    • •The way water moves through plant roots to leaves
    • •The flow of water from mountains to the ocean

  6. 6.What is an ecosystem?

    • •A community of living organisms interacting with their physical environment
    • •The climate and weather patterns of a region
    • •All the plants in a specific region
    • •A group of the same species living in an area

  7. 7.What is the basic unit of life?

    • •The organ
    • •The atom
    • •The molecule
    • •The cell

  8. 8.What is the process of a caterpillar turning into a butterfly called?

    • •Regeneration
    • •Metamorphosis
    • •Evolution
    • •Molting

  9. 9.What gas do plants absorb from the air during photosynthesis?

    • •Oxygen (O₂)
    • •Nitrogen (N₂)
    • •Hydrogen (H₂)
    • •Carbon dioxide (CO₂)

  10. 10.What is photosynthesis?

    • •The breakdown of glucose to release energy in cells
    • •The process of converting light into heat energy
    • •The process by which animals obtain energy from food
    • •How plants turn sunlight, water, and CO2 into food and oxygen