🔬 General Science Solved MCQs with Answers

Practice 4010 approved 🔬 General Science questions with verified answers from the 🌐 Current Affairs & GK subject for Pakistan exams.

4010 solved MCQs

Acids are used to make aqua regia, which of the following noble metals can be dissolved in it?Answer: Platinum, Palladium, Gold Which one of the following is not a primary pollutant?Answer: SO₄ The waste material and excess of water pass into the renal tubule from which of the following part of the nephron?Answer: Bowman`s capsule The peripheral nervous system consists of _____ pairs of cranial nerves, which emerge from the brain and mainly serve the head and neck.Answer: 12 The earth has ______ types of movements at the same time.Answer: 2 The speed of sound in blood at 37°C is ______?Answer: 1570 m/s The strawberries and cactus plants reproduce asexually by _____?Answer: Runners The pancreas secrets pancreatic juice which breakdown the _____?Answer: Proteins and sugars Basically, environmental pollution is of _____?Answer: Three types If the pressure of a certain amount of gas is reduced to 1/4 of its initial pressure at a fixed temperature, then what would be its final volume?Answer: 4 times Screwdriver is an example of _____?Answer: Wheel and axle What does a mason use to keep a wall vertical?Answer: Plumb line The earth behaves like a huge _____?Answer: Bar magnet The speed of sound is maximum in which one the following _____?Answer: Iron Red + blue litmus paper when dipped in neutral solution remain ______?Answer: Unchanged The prefix femto refers to _____?Answer: 10⁻¹⁵ Acid and carbonates react together to produce _______?Answer: All of the above Which of the following has the highest energy?Answer: Gamma Carbon dating is used for _____?Answer: Finding the age Which type of electromagnetic radiation has the shortest wavelength and highest energy?Answer: Gamma rays Which type of waves are used in Night Vision equipment?Answer: Infrared Wave Consider the following equation: 4Fe + 3O₂ → 2Fe₂O₃: The combined mass of the reactants is for example 320 grams. The mass of the product will be _____?Answer: Same as that of reactant Consider the following reaction: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 7O₂: How many oxygen atoms are required to balance the above equation?Answer: 6 Identify non-metal with high density?Answer: Diamond Metal is a substance that is _____?Answer: All of these Herbicides are ______?Answer: Weed killing chemicals Which statement is true regarding carpel of flower?Answer: All of the above The speed of sound in iron or steel (at 20°C) is ______?Answer: 5130 m/s Oxygen has 6 electrons in its valence shell so its valency is ______?Answer: 2 Which of the following is not a digestive gland?Answer: Adrenal gland