SPSC – Sindh Public Service Commission 2021 Past Paper with Answers

Practice the SPSC – Sindh Public Service Commission 2021 past paper with 423 solved MCQs, answers and topic coverage.

423 solved MCQs across 8 approved papers

SPSC - ASI Past Paper 2021 (Morning)SPSC - ASI · 2021 SPSC - Combined Competitive Examination Past Paper 08-08-2021SPSC - Combined Competitive Examination · 2021 SPSC - Lecturer Botany Past Paper 2021 (Evening)SPSC - Lecturer Botany · 2021 SPSC - Lecturer Botany Past Paper 2021 (Morning)SPSC - Lecturer Botany · 2021 SPSC - Lecturer Chemistry Past Paper 2021 (Evening)SPSC - Lecturer Chemistry · 2021 SPSC - Lecturer Chemistry Past Paper 2021 (Morning)SPSC - Lecturer Chemistry · 2021 SPSC - Lecturer Physics Past Paper 2021 (Evening)SPSC - Lecturer Physics · 2021 SPSC - Lecturer Physics Past Paper 2021 (Morning)SPSC - Lecturer Physics · 2021

A laboratory reported a patient's fasting glucose level as 155 mg/dL (milligrams per deciliter). What is this value equal to in SI units?Answer: 8.61 M Identify the false statement: Energy of IR is higher than the visible light, Energy of UV is higher than the visible light, Energy of IR is lower than the visible light, Energy of UV is higher than IR radiationAnswer: Energy of IR is higher than the visible light Salt of bromide when treated with HCl, KMnO₄, and CCl₄ gives brown layer of Br₂. In this reaction Br oxidized into Br₂ by?Answer: KMnO₄ Ethers show the phenomenon of ______?Answer: Metamerism We should abstain ______ telling a lie.Answer: From We need to protect _____ environment/earth.Answer: The The Synonym of Tenuous is?Answer: Delicate The Synonym of Exasperate is?Answer: Anger The Antonym of Crooked is?Answer: Straight The Antonym of Triumph is?Answer: Fail Which of the following is not an electrophile?Answer: C₂H₅OCH₃ Which of the following instruments may be used to measure the optical activity of a compound?Answer: Polarimeter A mass spectrometer measures which of the following characteristics of the molecule?Answer: Mass to charge ratio The calculated magnetic moment of 5.92 BM corresponds to unpaired electrons of _____?Answer: 5 Graphite is used in nuclear reactors ______?Answer: For reducing the velocity of neutrons Max of a chemical compound rely upon ______?Answer: Chemical bonding Which one of the following is not a condensation polymer?Answer: Neoprene Which of the following is not nucleophile?Answer: AlCl₃ Which of following is used to calibrate the absorbance scale in UV-Visible instrument?Answer: K₂Cr₂O₇ The significant figure of the measurement shows the ______?Answer: Precision of the measurement Proteins are detected by ______?Answer: Biuret test Which of the following alkyl halides may undergo SN² reaction except?Answer: Tertiary Which of the following does not respond to the chromyl chloride test?Answer: HgCl₂ Bauxite is purified by using _______?Answer: Baeyer’s method Zeolite is _______?Answer: Hydrated sodium aluminum silicate The unit of the rate constant depends upon the ______?Answer: Order of the reaction Which of the following carboxylic acids is most acidic?Answer: Trichloroacetic acid Ammonia Solvay process is used for the manufacture of _____?Answer: Washing soda Which of the following transitions are NOT allowed in the normal electronic emission spectrum of an atom?Answer: 2s → 1s The presence of unsaturation can be tested with _______?Answer: Baeyer’s reagent