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Practice MCAT MCQs for Pakistan exams (CSS, FPSC, PPSC, NTS) — 149 practice questions with answers and explanations.

Which law states that at constant temperature; the pressure and volume of a gas are inversely proportional?
In classical conditioning; what term describes a stimulus that triggers a response without prior learning?
According to the central dogma of molecular biology; what is the correct order of information flow?
Which law relates the pressure; volume; temperature; and moles of an ideal gas in a single equation?
Which term describes an action potential's inability to be triggered again immediately after firing; regardless of stimulus strength?
A solution has a pH of 4. What is its hydrogen ion concentration [H+]?
What is the kinetic energy of a 6 kg object moving at 3 m/s?
What force (in Newtons) is required to accelerate a 2 kg object at 1 m/s²?
What is the kinetic energy of a 1 kg object moving at 5 m/s?
What is the molarity of a solution containing 2 moles of solute dissolved in 4 liters of solution?
What force (in Newtons) is required to accelerate a 1 kg object at 5 m/s²?
What is the molarity of a solution containing 1 moles of solute dissolved in 4 liters of solution?
What force (in Newtons) is required to accelerate a 7 kg object at 4 m/s²?
What is the molarity of a solution containing 2.5 moles of solute dissolved in 0.5 liters of solution?
What is the molarity of a solution containing 3 moles of solute dissolved in 4 liters of solution?
What force (in Newtons) is required to accelerate a 1 kg object at 1 m/s²?
What force (in Newtons) is required to accelerate a 7 kg object at 5 m/s²?
What is the kinetic energy of a 1 kg object moving at 4 m/s?
What is the kinetic energy of a 2 kg object moving at 4 m/s?
What is the molarity of a solution containing 4 moles of solute dissolved in 2 liters of solution?

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