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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 functional group characterizes an alcohol?

    Answer: Hydroxyl (-OH)

    Alcohols contain a hydroxyl group bonded to a carbon.

  2. In humans, which organ is the primary site of urine formation?

    Answer: Kidney

    The kidneys filter blood and produce urine via nephrons.

  3. What is the molecular geometry of methane (CH4)?

    Answer: Tetrahedral

    Four bonding pairs around carbon give a tetrahedral shape.

  4. Which process converts nitrogen gas into ammonia in the nitrogen cycle?

    Answer: Nitrogen fixation

    Nitrogen-fixing bacteria convert N2 into ammonia.

  5. Which law of thermodynamics states that energy cannot be created or destroyed?

    Answer: First law

    The first law is the conservation of energy.

  6. Mendel's law of segregation states that allele pairs separate during the formation of what?

    Answer: Gametes

    Alleles segregate so each gamete receives one allele.

  7. Which element has the highest electronegativity?

    Answer: Fluorine

    Fluorine is the most electronegative element on the periodic table.