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  • Question
  • What is the main component of bones and teeth?


  • Options
  • A. Calcium Phosphate
  • B. Calcium Carbonate
  • C. Calcium Nitrate
  • D. Calcium Sulphate

  • Correct Answer
  • Calcium Phosphate 

    Explanation

    The main component of bones and teeth is Calcium Phosphate.

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    General Science problems


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    • 1. The longest period of prenatal development is the

    • Options
    • A. Germinal period
    • B. Fetal period
    • C. Embryonic period
    • D. None
    • Discuss
    • 2. Plants synthesis protein from

    • Options
    • A. amino acids
    • B. starch
    • C. fatty acids
    • D. sugar
    • Discuss
    • 3. Which of these provides your body with energy?

    • Options
    • A. Carbohydrates
    • B. Fats
    • C. Vitamins
    • D. All the above
    • Discuss
    • 4. What is common between Aerobic and Anaerobic Respiration?

    • Options
    • A. Krebs cycle
    • B. Glycolysis
    • C. Electron transport chain
    • D. All the above
    • Discuss
    • 5. How many cups in a quart?

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 1
    • Discuss
    • 6. Which action is the best example of a direct observation?

    • Options
    • A. listening to a cricket chirp at night and counting the number of chirps per minute
    • B. determining the seal population of an island by counting seals in 10 square meters of the island
    • C. identifying which bird was present by the tracks that it leaves in the sand at a beach
    • D. reading numbers on a heat sensor to conclude that there is a deer in the night woods
    • Discuss
    • 7. In a plant cell, DNA may be found in

    • Options
    • A. only in the nucleus and mitochondria.
    • B. only in the nucleus and chloroplasts
    • C. in the nucleus, mitochondria, and chloroplasts.
    • D. only in the nucleus.
    • Discuss
    • 8. 3 functions of the nervous system?
    • Discuss
    • 9. What organelle is responsible for photosynthesis?

    • Options
    • A. mitochondria
    • B. Cytoplasm
    • C. Chloroplasts
    • D. Ribosomes
    • Discuss
    • 10. Heat transfer horizontally within the atmosphere is called

    • Options
    • A. Convection
    • B. Advection
    • C. Conduction
    • D. Absorption
    • Discuss


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