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Tenth Grade (Grade 10) Science Questions

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Grade 10 Macromolecules
What type of macromolecules are the enzymes found in our bodies?
  1. lipids
  2. carbohydrates
  3. proteins
  4. nucleic acids
Grade 10 Macromolecules
Carbohydrates are made of which 3 elements?
  1. nitrogen, oxygen, and hydrogen
  2. carbon, hydrogen, and oxygen
  3. sulfur, hydrogen, and oxygen
  4. nitrogen, phosphorus, and oxygen
Grade 10 Macromolecules
Grade 10 Cell Structure and Function
What is the function of mitochondria?
  1. lipid synthesis.
  2. photosynthesis.
  3. cellular respiration.
  4. intracellular digestion.
Grade 10 DNA, RNA, and Genetics
Varieties of purebred dogs are maintained by                     .
  1. selective breeding.
  2. hybridization.
  3. inbreeding.
  4. genetic engineering.
Grade 10 Macromolecules
Grade 10 Macromolecules
Grade 10 Food Chains and Webs
Grade 10 Biogeochemical Cycles
How do living things contribute to the water cycle?
  1. evaporation
  2. condensation
  3. precipitation
  4. transpiration
Grade 10 Macromolecules
Grade 10 Cell Structure and Function
Grade 10 Cell Structure and Function
Grade 10 Chemistry
Which of the following is a nonmetal?
  1. Sulfur
  2. Potassium
  3. Bismuth
  4. Molybdenum
Grade 10 Macromolecules
Which of the following macromolecules holds genetic information?
  1. nucleic acids
  2. carbohydrates
  3. lipids
  4. proteins
Grade 10 Cell Structure and Function
Which organelle of a plant cell is going to be most affected by direct sunlight?
  1. the cell wall
  2. the chloroplasts
  3. the cell membrane
  4. the vacuoles
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