🔬 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

Bleaching powder is made by passing chlorine over …………Answer: Calcium hydroxide In transition elements color formation is due to …………..Answer: D–d electronic transitions The formula of tetramminedichlorodinitroplatinum(IV)sulphate is ………..Answer: [Pt(NH₃)₄Cl₂(NO₂)₂]SO₄ Production of vegetable ghee involves ………….Answer: Hydrogenation CH₂–COOH = NH₂ is the formula of ………….Answer: Glycine Phosphorus is important in the development of …………Answer: Seed germination Which of these is not a nucleophile ……………Answer: BF₃ One light year is equal to:Answer: 9.5 × 10₁₃ m Reverse process of vector addition?Answer: Subtraction When a ball moves from and reaches to its maximum height in 3 seconds, what is its initial velocity?Answer: 29.4m/sec Rocket propulsion is according to?Answer: Newton’s Third Law If a body of 2kg moves vertically 2m then work done is:Answer: -39.2 j If the radius of circle is doubled, then centripetal force becomes:Answer: Half The time period of a second pendulum from its extreme to mean position:Answer: T/4 At what temp, the velocity of sound is doubled than as that of at 10 degree c:Answer: 859°C The range of visible wavelength spectrum is:Answer: 400-750 The range of wave no. of light is 5 x 10₆m₋₁. Then its wavelength is:Answer: None of these Least distance of distinct vision for human eye is:Answer: 25 cm If the the distance is doubled b/w two charges, then coulombs force becomes:Answer: Reduced 4 times Two resistance of 6Ω each are in paralled and third of 3Ω is connected in series.Answer: 6Ω If a magnet is non-uniform magnetic field, it will experience:Answer: Attraction A completely filled band is called:Answer: Valence Band Which of the following is used for detection of light?Answer: None of these In ₉₂U₂₃₅the neutron to nucleon ratio is:Answer: 143/235 If intensity and frequency of light is doubled, then emission of electrons is:Answer: Doubled Speed of earth around the sun is:Answer: 30000 m/sec Which is universal solvent?Answer: Water Molarity of heavy water:Answer: 55.5 M Diamond is non-conductor due to:Answer: Absence of free electron Which of the following is true?Answer: Na⁺ is smaller than Na