Zeno
Deutsch English Español Français Português Türkçe

Science Quiz – Test 5

Science quiz, test 5 of 19: 10 multiple-choice questions with answers. Try them, then play the interactive quiz on Zeno to earn XP.

  1. Question 41

    What is the process by which plants release oxygen into the atmosphere during photosynthesis?

    • A Oxygen release
    • B Carbon absorption
    • C Hydrogen production
    • D Nitrogen fixation
    Show answer

    Correct answer: Oxygen release

  2. Question 42

    What is the process by which plants take in carbon dioxide from the atmosphere?

    • A Evaporation
    • B Respiration
    • C Photosynthesis
    • D Transpiration
    Show answer

    Correct answer: Photosynthesis

  3. Question 43

    What is the chemical symbol for the element hydrogen?

    • A He
    • B H2O
    • C H
    • D Hg
    Show answer

    Correct answer: H

  4. Question 44

    What is the most basic unit of life?

    • A Tissue
    • B Atom
    • C Cell
    • D Molecule
    Show answer

    Correct answer: Cell

  5. Question 45

    What is the chemical process by which plants convert sunlight into chemical energy?

    • A Respiration
    • B Photosynthesis
    • C Transpiration
    • D Fermentation
    Show answer

    Correct answer: Photosynthesis

  6. Question 46

    What is the basic unit of heredity in living organisms?

    • A Chromosome
    • B Gene
    • C RNA
    • D Nucleotide
    Show answer

    Correct answer: Gene

  7. Question 47

    What is the powerhouse of the cell known as?

    • A Nucleus
    • B Mitochondria
    • C Chloroplast
    • D Ribosome
    Show answer

    Correct answer: Mitochondria

  8. Question 48

    What is the process by which living organisms convert food into energy?

    • A Fermentation
    • B Photosynthesis
    • C Digestion
    • D Cellular respiration
    Show answer

    Correct answer: Cellular respiration

  9. Question 49

    What is the name of the process by which cells break down glucose to produce energy in the presence of oxygen?

    • A Fermentation
    • B Transpiration
    • C Photosynthesis
    • D Cellular respiration
    Show answer

    Correct answer: Cellular respiration

  10. Question 50

    What is the chemical symbol for the element sodium?

    • A N
    • B S
    • C So
    • D Na
    Show answer

    Correct answer: Na

Play the interactive quiz