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Practice Test (Survey of Natural Sciences) Flashcards

7 cards from real DAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which gas law states that volume is inversely proportional to pressure at constant temperature?

    Answer: Boyle's law

    Boyle's law relates pressure and volume inversely at fixed temperature.

  2. Enzymes increase reaction rates primarily by doing what?

    Answer: Lowering activation energy

    Enzymes are catalysts that lower the activation energy of reactions.

  3. Which blood vessels carry oxygenated blood away from the heart to the body?

    Answer: Arteries

    Systemic arteries carry oxygen-rich blood from the heart to tissues.

  4. What is the oxidation state of sulfur in sulfuric acid (H2SO4)?

    Answer: +6

    With H at +1 and O at -2, sulfur must be +6 to balance the neutral molecule.

  5. Which structure in plant cells is responsible for photosynthesis?

    Answer: Chloroplast

    Chloroplasts contain chlorophyll and carry out photosynthesis.

  6. A solution with a pH of 3 is best described as:

    Answer: Acidic

    A pH below 7 indicates an acidic solution.

  7. Which type of RNA carries amino acids to the ribosome during translation?

    Answer: tRNA

    Transfer RNA delivers amino acids matching the mRNA codons.