Created on 17th June 2025
Grade level: Grade 6th grade
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68 Questions
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Questions (68)
1. Which of the following structures is found in plant cells but not in animal cells?
Chloroplast
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2. What is the function of the cell membrane in both plant and animal cells?
To control what enters and leaves the cell
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3. Which organelle is responsible for producing energy in animal cells?
Mitochondria
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4. What structure do plant cells have that provides rigidity and support?
Cell wall
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5. What is the jelly-like substance inside a cell called?
Cytoplasm
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6. In which type of cellular organization do cells work together to perform specific functions?
Multicellular
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7. What is the primary function of ribosomes in both plant and animal cells?
Protein synthesis
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8. Which organelle is involved in the modification and packaging of proteins?
Golgi apparatus
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9. Which part of a plant cell is responsible for photosynthesis?
Chloroplast
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10. What is the main function of the human eye?
To perceive light and images
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11. Which part of the ear is responsible for balance?
Semicircular canals
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12. What type of receptors in the skin detect pressure?
Mechanoreceptors
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13. Which organ is primarily responsible for the sense of taste?
Tongue
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14. How do our senses work together to create a perception of the world?
Senses combine information to form a complete picture
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15. What is the role of the olfactory receptors?
To detect smells
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16. What is the function of the cornea in the eye?
To focus light
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17. What type of cells in the retina are responsible for color vision?
Cones
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18. Which part of the brain processes visual information?
Occipital lobe
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19. Which sense is most closely related to memory?
Smell
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20. What is the primary substance that plants convert into glucose during photosynthesis?
Carbon Dioxide
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21. Which organelle in plant cells is responsible for photosynthesis?
Chloroplast
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22. Which gas is released as a byproduct of photosynthesis?
Oxygen
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23. What is respiration in plants primarily used for?
Releasing energy
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24. During which process do plants take in oxygen?
Respiration
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25. What are the inputs needed for photosynthesis to occur?
Water, carbon dioxide, and sunlight
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26. How do plants obtain water for the process of photosynthesis?
Through their roots
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27. What is the overall equation for photosynthesis?
Carbon Dioxide + Water + Sunlight → Glucose + Oxygen
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28. What role does sunlight play in photosynthesis?
It provides energy for the reaction
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29. What do plants release during respiration?
Carbon Dioxide
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30. What is the smallest unit of matter that retains the properties of an element?
Atom
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31. Which of the following correctly describes a compound?
A pure substance made up of two or more different elements chemically bonded together.
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32. Which statement is true about mixtures?
They can be separated by physical means.
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33. What part of an atom contains protons and neutrons?
Nucleus
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34. Which of the following statements about molecules is correct?
Molecules are formed when two or more atoms bond together.
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35. What distinguishes a homogeneous mixture from a heterogeneous mixture?
Homogeneous mixtures have a uniform composition, while heterogeneous mixtures do not.
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36. Which of the following best describes the arrangement of electrons in an atom?
In regions called electron clouds or orbitals.
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37. What type of bond forms when atoms share electrons?
Covalent bond
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38. Which of the following is an example of a compound?
Salt (NaCl)
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39. What is a common property of all atoms?
They all have a nucleus.
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40. What is a solution?
A mixture where substances are evenly distributed.
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41. Which of the following is NOT a characteristic of a suspension?
The particles are evenly distributed.
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42. What happens when salt is added to water?
It forms a solution.
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43. Which of the following best describes a suspension?
A cloudy mixture with larger particles.
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44. What is the process of dissolving called?
Solvation
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45. Which of these is an example of a solution?
Saltwater.
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46. How can you separate a suspension?
By filtration.
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47. When does a substance form a suspension?
When its particles are mixed but not dissolved.
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48. Which of the following is an example of a solid in a liquid suspension?
Mud in water.
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49. What is the form of energy associated with motion?
Kinetic Energy
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50. Which of the following is a form of energy stored in an object due to its position?
Potential Energy
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51. Which type of energy is produced by the vibrations of particles?
Sound Energy
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52. What type of energy is released during a chemical reaction?
Chemical Energy
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53. What is the energy of an object at rest due to its position called?
Potential Energy
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54. Which of the following is NOT a form of energy?
Gravity
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55. What type of energy is associated with the temperature of an object?
Thermal Energy
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56. Which energy transformation occurs when you rub your hands together?
Kinetic to Thermal
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57. What type of energy is harnessed by solar panels?
Solar Energy
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58. Which of the following energies is primarily used in hydroelectric power plants?
Potential Energy
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59. What is the primary source of light for Earth?
The Sun
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60. What happens to light when it passes through a prism?
It bends and separates into colors
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61. Which of the following materials can reflect light?
A mirror
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62. What is the speed of light in a vacuum?
300,000 kilometers per second
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63. What is refraction of light?
Bending of light as it passes from one medium to another
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64. Which color of light has the longest wavelength?
Red
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65. What do we call the bouncing back of light when it hits a surface?
Reflection
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66. What type of lens is thicker in the center than at the edges?
Convex lens
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67. Which phenomenon explains why a straw appears bent in a glass of water?
Refraction
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68. How does the color of an object affect the light it absorbs and reflects?
Dark colors absorb more light
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