15 questions every adult should be able to answer. But wait, question no. 6 will knock you down

15 questions every adult should be able to answer
15 questions every adult should be able to answer

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15 questions every adult should be able to answer. Topic: Biology. It used to be no piece of cake for many of us in school, but here you can learn amazing facts and have fun. Dare to test your skills in this quiz? Average score: 9/15.


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15 questions every adult should be able to answer. But wait, question no. 6 will knock you down

  • Question of

    Can you tell how long has been since the first cell appeared on Earth according to scientists?

    • 5.1 billion years
    • 900 million years
    • 3.8 billion years
    • 750 million years
  • Question of

    Only 2% of all people have what eye color?

    • Green
    • Blue
    • Brown
    • Grey
  • Question of

    What gland in the human body regulates metabolism?

    • Pituitary
    • Thyroid
    • Hypothalamus
    • Pineal
  • Question of

    The first mammal cloned from an adult cell was a sheep in 1996. What was its name?

    • Abby
    • Mandy
    • Lottie
    • Dolly
  • Question of

    What is the only internal organ in human body that can regenerate lost tissue?

    • The brain
    • The liver
    • The stomach
    • The lungs
  • Question of

    Which type of cells have a membrane enclosing a true nucleus?

    • Eucaryotic cells
    • Prokaryotic cells
    • Both of them
    • None of them
  • Question of

    What country is named after a tree?

    • Venezuela
    • Botswana
    • Brazil
    • Togo
  • Question of

    How many hearts do octopuses have?

    • One
    • Two
    • Three
    • None
  • Question of

    If you are exposed to direct sunlight, what type of vitamin will your body produce automatically?

    • A
    • B complex
    • K
    • D
    • E
  • Question of

    What name receives the type of protein that acts as a biological catalyst?

    • Regulatory proteins
    • Enzymes
    • Transport proteins
    • Storage proteins
  • Question of

    What animal has the longest gestation period (660 days)?

    • Horses
    • Elephants
    • Blue whales
    • Killer whales
  • Question of

    Natural pearls come from what marine creature?

    • Mussels
    • Squids
    • Nautiluses
    • Oysters
  • Question of

    How many pairs of chromosomes are inside every human cell nucleus?

    • 46
    • 26
    • 23
    • 24
  • Question of

    Now extinct, what was the name of the largest shark that ever lived in the seas?

    • Megalodon
    • Basilosaurus
    • Liopleurodon
    • Mauisaurus
  • Question of

    What animal has the fastest metabolism of all?

    • Flies
    • Cheetahs
    • Hummingbirds
    • Rabbits

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Ricardo Gondelles

Written by Ricardo Gondelles

Thirty years of experience in journalism and the publishing world is easily said. Yet, I feel so open to learning that I like to imagine what comes for the next 30 years. As a writer, editor and proofreader, my passion for the written word keep me discovering new realms. Bilingual (Spanish-English), I’m a language lover who’s going through French and Italian as well (I don’t know what comes next, Russian?). My goal in life is to have things done as best as I can, and I take pride in it. Contact me.

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