🔬 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

Carbon is a _____?Answer: Non-metal Decaying is an example of _____?Answer: Chemical change The poisonous substances and gases that are produced by open garbage dumps cause _____?Answer: Air pollution What would be the correct sequence of a simple food chain in a terrestrial ecosystem?Answer: Grass → Grasshopper → Snake → Eagle Which acid is present in the sting of ants?Answer: Formic acid To make an uncharged object to have a negative charge we must?Answer: Add some electrons The book "A-shat" written by A.M Aasmai is about _____?Answer: Sheep How many people get lung cancer by smoking? The question can be answered via _____?Answer: Biometry Non flowering plants are called:Answer: Cryptogams Which of the following is the least polluted gas?Answer: Nitrogen When ethanol is taken and temperature is kept 170°C. On dehydration with concentration H2SO4 it gives a molecule of _____?Answer: Ethene The oxidation states of Nitrogen in NH4NO3 are _____?Answer: -3 and +5 In the mixture of NO and CO2 (initially containing 4 mol of NO and 0.9 mole of CO2) reaction occurs according to the equation below: NO(g) + CO2(g) ⇌ NO2(g) + CO(g). At equilibrium 0.1 mol of CO2 was present. What is the equilibrium constant at the temperature of this experiment?Answer: 0.2 According to Beer - Lambert law A = E C L A stand for absorbance. It has the unit of _____?Answer: It has no unit A ball thrown vertically upwards, on reaching its highest point its value of acceleration due to gravity would be?Answer: 9.8 m/s downwards The diversity of species on earth is generating itself, proved the ideas of?Answer: Charles Darwin Insects breathe through?Answer: Trachea Zika virus is a mosquito-borne virus first identified in:Answer: Uganda Who among the following proposed Laws of planetary motion?Answer: Johannes Kepler Optical fiber works on the principle of ______.Answer: Total Internal Reflection Law of magnet induction was proposed by:Answer: Michael Faraday Which one is more acidic? Ethane thiol, Ethanol, Both A and B, None of theseAnswer: Ethane thiol 3-Hexanone on oxidation in the presence of KMnO₄/H₂SO₄ gives the major product ____?Answer: Acetic acid and butanoic acid In d-block elements the irregularity in electronic configuration occurs in _____?Answer: All of these Orbitals having n + l = 4 are _____?Answer: 3p Which one has Prussian blue colour?Answer: Ferric hexa cyano ferrate (II) The compound 1, 2–Butadiene has _____?Answer: SP . SP2 hybridized C-atoms The I.U.P.A.C name of Adipic acid is ______?Answer: Hexane—1, 6–dioic acid 1 Aldehydes and ketones undergo ______?Answer: Nucleophilic addition Which of the following statements about circulatory systems is true?Answer: Hormones are transported in the blood