🔬 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

The PS II during light reactions receives electrons from splitting ______?Answer: Water Sarcomere is part of myofibril between _____?Answer: Two Z lines Mesosomes are the invagination of bacterial cell structure ______?Answer: Cell membrane The conversion of A.C into D.C is called rectification and circuit is called rectifier. Which component of electronics acts as a rectifier?Answer: Diode Example of viruses having a polyhedral capsid that is with 252 capsomeres is _____?Answer: Adenovirus Which of the following statements about natural selection is not true?Answer: It is selected by a breeder The unit of decay constant is ______?Answer: s⁻¹ The centripetal acceleration of an object moving along a circle of radius 𝑟 with an angular speed 𝜔 is given by the formula _____?Answer: 𝑎 = 𝑟 ⋅ 𝜔^2 Find potential difference in moving 2 C charge which requires 600J of work between two points?Answer: 300V Which of the following alcohol can give lodoform reaction?Answer: Ethanol Which of the following is CORRECT Arrhenius equation?Answer: K=Ae^-Ea/RT Which of the following increases variation within a gene pool?Answer: Gene mutation When glycerol reacts with fatty acid, which type of chemical bond will form?Answer: Ester Bond Medulla Oblongata is a part of ______?Answer: Hind brain The formula calculating the frequency of genotypes and alleles in a population gene pool is known as?Answer: Hardy-Weinberg Equation An artificial radioactive element can be made by bombarding ______?Answer: High energy particles on stable elements I-Butene and II-Butene are showing which type of isomerism?Answer: Position Which one of the following is not an amino acid? Lysine, Folic acid, Glutamic acid, GlycineAnswer: Folic acid The accumulation of 'lactic acid' in the muscles results in ______?Answer: Extreme fatigue Which of the following is NOT an Alloy?Answer: Graphite Common name of 2-hydroxy propanoic acid is?Answer: Lactic acid The p orbital has ______?Answer: 2 lobes Who is credited with inventing the first practical metal detector?Answer: Alexander Graham Bell Which option is correct about a chlorophyll molecule?Answer: Methyl group on second pyrrole ring In the life cycle of a bacteriophage, the lysozymes are required in which of time following steps of infection process?Answer: Penetration The complete, mature & infectious particle of virus is known as?Answer: Virion About 70% of the carbon dioxide is carried in blood as _____?Answer: Carbonate The distance between two successive particles which are exactly in the same state of vibration is called?Answer: Wavelength The value of Planck constant is _____?Answer: 6.63 × 10^-34Js Electric intensity between two oppositely charge plates in the middle region is _____?Answer: Uniform